mirror of
https://github.com/modmii/YAWM-ModMii-Edition.git
synced 2024-11-22 08:09:18 +01:00
- Update / fix app boot code
This commit is contained in:
0verjoY
parent
40ba5db3b3
commit
a0a24c72de
4
Makefile
4
Makefile
@ -100,7 +100,9 @@ export OUTPUT := $(CURDIR)/$(TARGET)
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#---------------------------------------------------------------------------------
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#---------------------------------------------------------------------------------
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$(BUILD):
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@[ -d $@ ] || mkdir -p $@
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@$(MAKE) --no-print-directory -s -C source/boot all
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@$(MAKE) --no-print-directory -s -C source/boot
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@mv -u $(CURDIR)/source/boot/appboot.bin \
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$(CURDIR)/data/appboot.bin
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@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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#---------------------------------------------------------------------------------
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#---------------------------------------------------------------------------------
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1416
Test/menu.c
Normal file
1416
Test/menu.c
Normal file
File diff suppressed because it is too large
Load Diff
BIN
data/appboot.bin
BIN
data/appboot.bin
Binary file not shown.
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Before Width: | Height: | Size: 1.8 KiB After Width: | Height: | Size: 178 KiB |
184
source/appboot.c
184
source/appboot.c
@ -4,11 +4,15 @@
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#include <string.h>
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#include <string.h>
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#include <malloc.h>
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#include <malloc.h>
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#include <ogc/machine/processor.h>
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#include <ogc/machine/processor.h>
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#include <ogcsys.h>
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#include <ogc/lwp_threads.h>
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#include <ogc/lwp_threads.h>
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#include "appboot.h"
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#include "fat.h"
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#include "fat.h"
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#include "sys.h"
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#include "sys.h"
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#include "appmetadata.h"
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#include "appmetadata.h"
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#include "iospatch.h"
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#include "video.h"
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extern void __exception_closeall();
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extern void __exception_closeall();
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@ -20,35 +24,83 @@ u32 metaSize = 0;
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u8* appBuffer = NULL;
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u8* appBuffer = NULL;
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u32 appSize = 0;
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u32 appSize = 0;
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typedef void (*entrypoint)();
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u32 appEntry = 0;
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u32 appEntry = 0;
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u32 appIos = 0;
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#include "appboot_bin.h"
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#include "appboot_bin.h"
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static void Jump(entrypoint EntryPoint)
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#define MEM2PROT 0x0D8B420A
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{
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#define ESMODULESTART (u16*)0x939F0000
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appEntry = (u32)EntryPoint;
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u32 level = IRQ_Disable();
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static const u16 ticket[] = {
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__IOS_ShutdownSubsystems();
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0x685B, // ldr r3,[r3,#4] ; get TMD pointer
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__exception_closeall();
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0x22EC, 0x0052, // movls r2, 0x1D8
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__lwp_thread_closeall();
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0x189B, // adds r3, r3, r2; add offset of access rights field in TMD
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asm volatile (
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0x681B, // ldr r3, [r3] ; load access rights (haxxme!)
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"lis %r3, appEntry@h\n"
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0x4698, // mov r8, r3 ; store it for the DVD video bitcheck later
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"ori %r3, %r3, appEntry@l\n"
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0x07DB // lsls r3, r3, #31; check AHBPROT bit
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"lwz %r3, 0(%r3)\n"
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};
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"mtlr %r3\n"
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"blr\n"
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static bool patchahbprot(void)
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);
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{
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IRQ_Restore(level);
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u16* patch;
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if ((read32(0x0D800064) == 0xFFFFFFFF) ? 1 : 0)
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{
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write16(MEM2PROT, 2);
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for (patch = ESMODULESTART; patch < ESMODULESTART + 0x4000; ++patch) {
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if (!memcmp(patch, ticket, sizeof(ticket)))
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{
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patch[4] = 0x23FF;
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DCFlushRange(patch + 4, 2);
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return 0;
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}
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}
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return -1;
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}
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else {
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return -2;
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}
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}
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}
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bool LoadApp(const char* path)
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bool LoadApp(const char* path)
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{
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{
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Con_Clear();
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appBuffer = (u8*)0x92000000;
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appBuffer = (u8*)0x92000000;
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char currentPath[256];
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char currentPath[256];
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snprintf(currentPath, sizeof(currentPath), "%s/meta.xml", path);
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u16 argumentsSize = 0;
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char* Arguments = LoadArguments(currentPath, &argumentsSize);
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if (Arguments)
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{
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*(vu32*)0x91000000 = argumentsSize;
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memcpy((void*)0x91000020, Arguments, argumentsSize);
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DCFlushRange((void*)0x91000020, argumentsSize);
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ICInvalidateRange((void*)0x91000020, argumentsSize);
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free(Arguments);
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}
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else
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{
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*(vu32*)0x91000000 = 0;
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}
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struct MetaData* appData = LoadMetaData(currentPath);
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if (appData)
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{
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printf("-> App title: %s version %s\n", appData->name, appData->version);
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printf("-> Coder(s): %s\n", appData->coder);
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if (appData->releaseDate != NULL)
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printf("-> Release date: %s\n", appData->releaseDate);
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FreeMetaData(appData);
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printf("\n");
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}
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snprintf(currentPath, sizeof(currentPath), "%s/boot.dol", path);
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snprintf(currentPath, sizeof(currentPath), "%s/boot.dol", path);
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FILE* f = fopen(currentPath, "rb");
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FILE* f = fopen(currentPath, "rb");
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@ -62,6 +114,8 @@ bool LoadApp(const char* path)
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return false;
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return false;
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}
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}
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printf("-> Load: %s\n", currentPath);
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fseek(f, 0, SEEK_END);
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fseek(f, 0, SEEK_END);
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appSize = ftell(f);
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appSize = ftell(f);
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rewind(f);
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rewind(f);
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@ -73,22 +127,21 @@ bool LoadApp(const char* path)
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}
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}
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u32 ret = fread(appBuffer, 1, appSize, f);
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u32 ret = fread(appBuffer, 1, appSize, f);
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DCFlushRange(appBuffer, (appSize + 31) & (~31));
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if (ret != appSize)
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fclose(f);
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snprintf(currentPath, sizeof(currentPath), "%s/meta.xml", path);
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u16 argumentsSize = 0;
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char* Arguments = LoadArguments(currentPath, &argumentsSize);
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if (Arguments)
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{
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{
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*(vu32*)0x91000000 = argumentsSize;
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printf("Failed to read file: %s (0x%X -> 0x%X)\n", currentPath, ret, appSize );
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memcpy((void*)0x91000020, Arguments, argumentsSize);
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fclose(f);
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DCFlushRange((u8*)0x91000020, argumentsSize);
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return false;
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free(Arguments);
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}
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else
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{
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printf("-> App size: 0x%X\n\n", appSize);
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}
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}
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DCFlushRange(appBuffer, appSize);
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ICInvalidateRange(appBuffer, appSize);
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fclose(f);
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return (ret == appSize);
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return (ret == appSize);
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}
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}
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@ -100,12 +153,73 @@ u8* GetApp(u32* size)
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void LaunchApp(void)
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void LaunchApp(void)
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{
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{
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entrypoint entry;
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entrypoint entry = NULL;
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memcpy((u8*)0x93000000, appboot_bin, appboot_bin_size);
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LoadBooter(&entry);
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DCFlushRange((u8*)0x93000000, appboot_bin_size);
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entry = (entrypoint)0x93000000;
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Jump(entry);
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if (!appIos)
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appIos = IOS_GetPreferredVersion();
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if (AHBPROT_DISABLED)
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{
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if (appIos > 0 && appIos < 200)
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{
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printf("-> Patch IOS for AHB access\n");
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patchahbprot();
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}
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}
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if (appIos > 0)
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__IOS_LaunchNewIOS(appIos);
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if (AHBPROT_DISABLED)
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{
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printf("-> Reenable DVD access\n");
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mask32(0x0D800180, 1 << 21, 0);
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}
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printf("-> And we're outta here!\n");
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*(vu32*)0x800000F8 = 0x0E7BE2C0; // Bus Speed
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*(vu32*)0x800000FC = 0x2B73A840; // CPU Speed
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//SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
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__exception_closeall();
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entry();
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printf("--> Well.. this shouldn't happen\n");
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Sys_LoadMenu();
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Sys_LoadMenu();
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}
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}
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void SetIos(int ios)
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{
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appIos = ios;
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}
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bool LoadBooter(entrypoint* entry)
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{
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dolhdr* dol = (dolhdr*)appboot_bin;
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u32 i;
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for (i = 0; i < 7; i++)
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{
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if (dol->sizeText[i] == 0 || dol->addressText[i] < 0x100)
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continue;
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memmove((void*)dol->addressText[i], appboot_bin + dol->offsetText[i], dol->sizeText[i]);
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DCFlushRange((void*)dol->addressText[i], dol->sizeText[i]);
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}
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for (i = 0; i < 11; i++)
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{
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if (dol->sizeData[i] == 0)
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continue;
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memmove((void*)dol->addressData[i], appboot_bin + dol->offsetData[i], dol->sizeData[i]);
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DCFlushRange((void*)dol->addressData[i], dol->sizeData[i]);
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}
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*entry = (entrypoint)dol->entrypoint;
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return true;
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}
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@ -1,8 +1,25 @@
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#ifndef __APPBOOT_H__
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#ifndef __APPBOOT_H__
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#define __APPBOOT_H__
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#define __APPBOOT_H__
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typedef void (*entrypoint)();
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typedef struct _dolhdr
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{
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u32 offsetText[7];
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u32 offsetData[11];
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u32 addressText[7];
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u32 addressData[11];
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u32 sizeText[7];
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u32 sizeData[11];
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u32 addressBSS;
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u32 sizeBSS;
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u32 entrypoint;
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} dolhdr;
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bool LoadApp(const char* path);
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bool LoadApp(const char* path);
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u8* GetApp(u32* size);
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u8* GetApp(u32* size);
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void LaunchApp(void);
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void LaunchApp(void);
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void SetIos(int ios);
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bool LoadBooter(entrypoint* entry);
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#endif
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#endif
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@ -74,14 +74,21 @@ struct MetaData* LoadMetaData(const char* path)
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metaData->shortDescription = strdup(GetStringValue(app, "short_description"));
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metaData->shortDescription = strdup(GetStringValue(app, "short_description"));
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metaData->longDescription = strdup(GetStringValue(app, "long_description"));
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metaData->longDescription = strdup(GetStringValue(app, "long_description"));
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char release[40];
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char release[20];
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memset(release, 0, sizeof(release));
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memset(release, 0, sizeof(release));
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snprintf(release, sizeof(release), "%s", GetStringValue(app, "release_date"));
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snprintf(release, sizeof(release), "%s", GetStringValue(app, "release_date"));
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metaData->releaseDate = NULL;
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if (strlen(release) == 14)
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if (strlen(release) == 14)
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{
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snprintf(release, sizeof(release), "%c%c/%c%c/%c%c%c%c", release[4], release[5], release[6], release[7], release[0], release[1], release[2], release[3]);
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snprintf(release, sizeof(release), "%c%c/%c%c/%c%c%c%c", release[4], release[5], release[6], release[7], release[0], release[1], release[2], release[3]);
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else if (strlen(release) == 14)
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metaData->releaseDate = strdup(release);
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}
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else if (strlen(release) == 12)
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{
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snprintf(release, sizeof(release), "%c%c/%c%c%c%c", release[4], release[5], release[0], release[1], release[2], release[3]);
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snprintf(release, sizeof(release), "%c%c/%c%c%c%c", release[4], release[5], release[0], release[1], release[2], release[3]);
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metaData->releaseDate = strdup(release);
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}
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metaData->releaseDate = strdup(release);
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metaData->releaseDate = strdup(release);
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mxmlDelete(meta);
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mxmlDelete(meta);
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@ -122,9 +129,9 @@ char* LoadArguments(const char* path, u16* length)
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return NULL;
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return NULL;
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}
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}
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app = mxmlFindElement(app, app, "arguments", NULL, NULL, MXML_DESCEND_FIRST);
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mxml_node_t* arguments = mxmlFindElement(app, app, "arguments", NULL, NULL, MXML_DESCEND_FIRST);
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if (!app)
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if (!arguments)
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{
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{
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mxmlDelete(meta);
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mxmlDelete(meta);
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return NULL;
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return NULL;
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@ -133,7 +140,7 @@ char* LoadArguments(const char* path, u16* length)
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mxml_node_t* arg;
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mxml_node_t* arg;
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u16 size = 0;
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u16 size = 0;
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for (arg = mxmlFindElement(app, app, "arg", NULL, NULL, MXML_DESCEND_FIRST); arg != NULL; arg = mxmlFindElement(arg, app, "arg", NULL, NULL, MXML_NO_DESCEND))
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for (arg = mxmlFindElement(arguments, arguments, "arg", NULL, NULL, MXML_DESCEND_FIRST); arg != NULL; arg = mxmlFindElement(arg, arguments, "arg", NULL, NULL, MXML_NO_DESCEND))
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{
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{
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char* current = GetArgumentValue(arg);
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char* current = GetArgumentValue(arg);
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@ -156,7 +163,7 @@ char* LoadArguments(const char* path, u16* length)
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char* argStr = malloc(size);
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char* argStr = malloc(size);
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size = 0;
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size = 0;
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for (arg = mxmlFindElement(app, app, "arg", NULL, NULL, MXML_DESCEND_FIRST); arg != NULL; arg = mxmlFindElement(arg, app, "arg", NULL, NULL, MXML_NO_DESCEND))
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for (arg = mxmlFindElement(arguments, arguments, "arg", NULL, NULL, MXML_DESCEND_FIRST); arg != NULL; arg = mxmlFindElement(arg, arguments, "arg", NULL, NULL, MXML_NO_DESCEND))
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{
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{
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char* current = GetArgumentValue(arg);
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char* current = GetArgumentValue(arg);
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@ -173,6 +180,8 @@ char* LoadArguments(const char* path, u16* length)
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}
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}
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}
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}
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mxmlDelete(meta);
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argStr[size] = 0;
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argStr[size] = 0;
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*length = size;
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*length = size;
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@ -1,46 +1,152 @@
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#---------------------------------------------------------------------------------
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# Clear the implicit built in rules
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#---------------------------------------------------------------------------------
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PREFIX = $(DEVKITPPC)/bin/powerpc-eabi-
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITPPC)),)
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$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
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endif
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AR = $(PREFIX)ar
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include $(DEVKITPPC)/wii_rules
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AS = $(PREFIX)as
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CC = $(PREFIX)gcc
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CXX = $(PREFIX)g++
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LD = $(PREFIX)ld
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OBJCOPY = $(PREFIX)objcopy
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RANLIB = $(PREFIX)ranlib
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STRIP = $(PREFIX)strip
|
|
||||||
|
|
||||||
MACHDEP = -mcpu=750 -meabi -mhard-float
|
#---------------------------------------------------------------------------------
|
||||||
CFLAGS = $(MACHDEP) -O0 -s -Werror -Wall -fdata-sections -ffunction-sections
|
# TARGET is the name of the output
|
||||||
LDFLAGS = $(MACHDEP) -n -nostartfiles -nostdlib -Wl,--gc-sections,-T,openstub.ld -L.
|
# BUILD is the directory where object files & intermediate files will be placed
|
||||||
ASFLAGS = -D_LANGUAGE_ASSEMBLY -DHW_RVL
|
# SOURCES is a list of directories containing source code
|
||||||
|
# INCLUDES is a list of directories containing extra header files
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
TARGET := appboot
|
||||||
|
BUILD := build
|
||||||
|
SOURCES := source
|
||||||
|
DATA := data
|
||||||
|
INCLUDES :=
|
||||||
|
|
||||||
TARGET_LINKED = patcher.elf
|
#---------------------------------------------------------------------------------
|
||||||
TARGET = ../../data/appboot.bin
|
# options for code generation
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
|
||||||
CFILES = main.c utils.c loaddol.c loadelf.c
|
CFLAGS = -g -O2 -Wall $(MACHDEP) $(INCLUDE)
|
||||||
OBJS = main.o utils.o loaddol.o loadelf.o
|
CXXFLAGS = $(CFLAGS)
|
||||||
|
|
||||||
DEPDIR = .deps
|
LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map -Wl,--section-start,.init=0x81330000
|
||||||
|
|
||||||
LIBS =
|
#---------------------------------------------------------------------------------
|
||||||
|
# any extra libraries we wish to link with the project
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
LIBS := -lwiiuse -lbte -lfat -logc -lm
|
||||||
|
|
||||||
all: $(TARGET)
|
#---------------------------------------------------------------------------------
|
||||||
|
# list of directories containing libraries, this must be the top level containing
|
||||||
|
# include and lib
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
LIBDIRS :=
|
||||||
|
|
||||||
%.o: %.s
|
#---------------------------------------------------------------------------------
|
||||||
@$(CC) $(CFLAGS) $(DEFINES) $(ASFLAGS) -c $< -o $@
|
# no real need to edit anything past this point unless you need to add additional
|
||||||
|
# rules for different file extensions
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
ifneq ($(BUILD),$(notdir $(CURDIR)))
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
|
||||||
%.o: %.S
|
export OUTPUT := $(CURDIR)/$(TARGET)
|
||||||
@$(CC) $(CFLAGS) $(DEFINES) $(ASFLAGS) -c $< -o $@
|
|
||||||
|
export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
|
||||||
|
$(foreach dir,$(DATA),$(CURDIR)/$(dir))
|
||||||
|
|
||||||
|
export DEPSDIR := $(CURDIR)/$(BUILD)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# automatically build a list of object files for our project
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
|
||||||
|
CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
|
||||||
|
SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
|
||||||
|
BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# use CXX for linking C++ projects, CC for standard C
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
ifeq ($(strip $(CPPFILES)),)
|
||||||
|
export LD := $(CC)
|
||||||
|
else
|
||||||
|
export LD := $(CXX)
|
||||||
|
endif
|
||||||
|
|
||||||
|
export OFILES := $(addsuffix .o,$(BINFILES)) \
|
||||||
|
$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \
|
||||||
|
$(sFILES:.s=.o) $(SFILES:.S=.o)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# build a list of include paths
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
export INCLUDE := $(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
|
||||||
|
$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
|
||||||
|
-I$(CURDIR)/$(BUILD) \
|
||||||
|
-I$(LIBOGC_INC)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# build a list of library paths
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) \
|
||||||
|
-L$(LIBOGC_LIB)
|
||||||
|
|
||||||
|
export OUTPUT := $(CURDIR)/$(TARGET)
|
||||||
|
.PHONY: $(BUILD) clean all
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
$(BUILD):
|
||||||
|
@[ -d $@ ] || mkdir -p $@
|
||||||
|
@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
|
||||||
|
@mv $(OUTPUT).dol $(OUTPUT).bin
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
all: $(BUILD)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
clean:
|
||||||
|
@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).bin
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
run:
|
||||||
|
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
else
|
||||||
|
|
||||||
|
DEPENDS := $(OFILES:.o=.d)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# main targets
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
$(OUTPUT).dol: $(OUTPUT).elf
|
||||||
|
$(OUTPUT).elf: $(OFILES)
|
||||||
|
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
# This rule links in binary data with the .jpg extension
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
%.bin: %.elf
|
||||||
|
@echo "output ... $(TARGET).bin"
|
||||||
|
$(Q)$(OBJCOPY) -O binary $< $@
|
||||||
|
|
||||||
|
%.bin: %.dol
|
||||||
|
@echo "output ... $(TARGET).bin"
|
||||||
|
$(Q)$(OBJCOPY) -O binary $< $@
|
||||||
|
|
||||||
|
%.elf: link.ld $(OFILES)
|
||||||
|
@echo "linking ... $(TARGET).elf"
|
||||||
|
$(Q)$(CC) -n -T $^ $(LDFLAGS) -o $@
|
||||||
|
|
||||||
%.o: %.c
|
%.o: %.c
|
||||||
@$(CC) $(CFLAGS) $(DEFINES) -c $< -o $@
|
@echo "$@"
|
||||||
|
$(Q)$(CC) $(CFLAGS) -c $< -o $@
|
||||||
|
|
||||||
$(TARGET_LINKED): $(OBJS)
|
%.o: %.s
|
||||||
@$(CC) -g -o $@ $(LDFLAGS) $(OBJS) $(LIBS)
|
@echo "$@"
|
||||||
|
$(Q)$(CC) $(CFLAGS) -c $< -o $@
|
||||||
|
|
||||||
$(TARGET): $(TARGET_LINKED)
|
-include $(DEPENDS)
|
||||||
@$(OBJCOPY) -O binary -S $< $@
|
|
||||||
|
|
||||||
clean:
|
#---------------------------------------------------------------------------------
|
||||||
@-$(RM) -rf $(TARGET_LINKED) $(OBJS) $(DEPDIR)
|
endif
|
||||||
|
#---------------------------------------------------------------------------------
|
||||||
|
|||||||
@ -1,32 +0,0 @@
|
|||||||
|
|
||||||
#include "loaddol.h"
|
|
||||||
|
|
||||||
static void memcopy(void* address, void* buffer, u32 size)
|
|
||||||
{
|
|
||||||
_memcpy(address, buffer, size);
|
|
||||||
sync_after_write(address, (size + 31) & (~31));
|
|
||||||
}
|
|
||||||
|
|
||||||
u32 LoadDol(void* buffer)
|
|
||||||
{
|
|
||||||
u32 i;
|
|
||||||
struct dolhdr* dol = (struct dolhdr*)buffer;
|
|
||||||
|
|
||||||
for (i = 0; i < 7; i++)
|
|
||||||
{
|
|
||||||
if (dol->sizeText[i] == 0)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
memcopy((void*)dol->addressText[i], buffer + dol->offsetText[i], dol->sizeText[i]);
|
|
||||||
}
|
|
||||||
|
|
||||||
for (i = 0; i < 11; i++)
|
|
||||||
{
|
|
||||||
if (dol->sizeData[i] == 0)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
memcopy((void*)dol->addressData[i], buffer + dol->offsetData[i], dol->sizeData[i]);
|
|
||||||
}
|
|
||||||
|
|
||||||
return dol->entrypoint;
|
|
||||||
}
|
|
||||||
@ -1,22 +0,0 @@
|
|||||||
#ifndef __DOL_H__
|
|
||||||
#define __DOL_H__
|
|
||||||
|
|
||||||
#include "utils.h"
|
|
||||||
|
|
||||||
struct dolhdr
|
|
||||||
{
|
|
||||||
u32 offsetText[7];
|
|
||||||
u32 offsetData[11];
|
|
||||||
u32 addressText[7];
|
|
||||||
u32 addressData[11];
|
|
||||||
u32 sizeText[7];
|
|
||||||
u32 sizeData[11];
|
|
||||||
u32 addressBSS;
|
|
||||||
u32 sizeBSS;
|
|
||||||
u32 entrypoint;
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
u32 LoadDol(void* buffer);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
@ -1,47 +0,0 @@
|
|||||||
|
|
||||||
#include "loadelf.h"
|
|
||||||
|
|
||||||
bool ExecIsElf(void* address)
|
|
||||||
{
|
|
||||||
struct Elf32_Ehdr* ehdr = (struct Elf32_Ehdr*)address;
|
|
||||||
|
|
||||||
if (*(u8*)address + 0 != 0x7F || *(u8*)address + 1 != 'E' || *(u8*)address + 2 != 'L' || *(u8*)address + 3 != 'F')
|
|
||||||
return false;
|
|
||||||
|
|
||||||
if (ehdr->e_type != 2) // Executable
|
|
||||||
return false;
|
|
||||||
|
|
||||||
if (ehdr->e_machine != 20) // PowerPC
|
|
||||||
return false;
|
|
||||||
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
u32 LoadElf(void* address)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
struct Elf32_Ehdr* ehdr = (struct Elf32_Ehdr*)address;
|
|
||||||
struct Elf32_Shdr* shdr = (struct Elf32_Shdr*)(address + ehdr->e_shoff + (ehdr->e_shstrndx * sizeof(struct Elf32_Shdr)));
|
|
||||||
|
|
||||||
for (i = 0; i < ehdr->e_shnum; i++)
|
|
||||||
{
|
|
||||||
shdr = (struct Elf32_Shdr*)(address + ehdr->e_shoff + (i * sizeof(struct Elf32_Shdr)));
|
|
||||||
|
|
||||||
if (!(shdr->sh_flags & 0x02) || shdr->sh_addr == 0 || shdr->sh_size == 0)
|
|
||||||
continue;
|
|
||||||
|
|
||||||
shdr->sh_addr &= 0x3FFFFFFF;
|
|
||||||
shdr->sh_addr |= 0x80000000;
|
|
||||||
|
|
||||||
if (shdr->sh_type == 8)
|
|
||||||
_memset32((void*)shdr->sh_addr, 0, shdr->sh_size);
|
|
||||||
else
|
|
||||||
_memcpy((void*)shdr->sh_addr, (void*)(address + shdr->sh_offset), shdr->sh_size);
|
|
||||||
|
|
||||||
sync_after_write((void*)shdr->sh_addr, (shdr->sh_size + 31) & (~31));
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
return (ehdr->e_entry & 0x3FFFFFFF) | 0x80000000;
|
|
||||||
}
|
|
||||||
@ -1,55 +0,0 @@
|
|||||||
#ifndef __ELF_H__
|
|
||||||
#define __ELF_H__
|
|
||||||
|
|
||||||
#include "utils.h"
|
|
||||||
|
|
||||||
#define EI_NIDENT 16
|
|
||||||
|
|
||||||
struct Elf32_Ehdr
|
|
||||||
{
|
|
||||||
u8 e_ident[EI_NIDENT];
|
|
||||||
u16 e_type;
|
|
||||||
u16 e_machine;
|
|
||||||
u32 e_version;
|
|
||||||
u32 e_entry;
|
|
||||||
u32 e_phoff;
|
|
||||||
u32 e_shoff;
|
|
||||||
u32 e_flags;
|
|
||||||
u16 e_ehsize;
|
|
||||||
u16 e_phentsize;
|
|
||||||
u16 e_phnum;
|
|
||||||
u16 e_shentsize;
|
|
||||||
u16 e_shnum;
|
|
||||||
u16 e_shstrndx;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct Elf32_Shdr
|
|
||||||
{
|
|
||||||
u32 sh_name;
|
|
||||||
u32 sh_type;
|
|
||||||
u32 sh_flags;
|
|
||||||
u32 sh_addr;
|
|
||||||
u32 sh_offset;
|
|
||||||
u32 sh_size;
|
|
||||||
u32 sh_link;
|
|
||||||
u32 sh_info;
|
|
||||||
u32 sh_addralign;
|
|
||||||
u32 sh_entsize;
|
|
||||||
};
|
|
||||||
|
|
||||||
struct Elf32_Phdr
|
|
||||||
{
|
|
||||||
u32 p_type;
|
|
||||||
u32 p_offset;
|
|
||||||
u32 p_vaddr;
|
|
||||||
u32 p_paddr;
|
|
||||||
u32 p_filesz;
|
|
||||||
u32 p_memsz;
|
|
||||||
u32 p_flags;
|
|
||||||
u32 p_align;
|
|
||||||
};
|
|
||||||
|
|
||||||
bool ExecIsElf(void* address);
|
|
||||||
u32 LoadElf(void* address);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
@ -1,40 +0,0 @@
|
|||||||
|
|
||||||
#include "loaddol.h"
|
|
||||||
#include "loadelf.h"
|
|
||||||
#include "utils.h"
|
|
||||||
|
|
||||||
typedef void (*entrypoint)();
|
|
||||||
|
|
||||||
void _main(void)
|
|
||||||
{
|
|
||||||
void* buffer = (void*)0x92000000;
|
|
||||||
entrypoint entry;
|
|
||||||
|
|
||||||
u32 argumentsSize = *(vu32*)0x91000000;
|
|
||||||
|
|
||||||
if (ExecIsElf(buffer))
|
|
||||||
entry = (entrypoint)LoadElf(buffer);
|
|
||||||
else
|
|
||||||
entry = (entrypoint)LoadDol(buffer);
|
|
||||||
|
|
||||||
if (!entry)
|
|
||||||
return;
|
|
||||||
|
|
||||||
if (argumentsSize > 0)
|
|
||||||
{
|
|
||||||
u32* ptr = (u32*)entry;
|
|
||||||
|
|
||||||
if (ptr[1] == 0x5F617267)
|
|
||||||
{
|
|
||||||
struct Arguments* argv = (struct Arguments*)&ptr[2];
|
|
||||||
|
|
||||||
argv->magic = 0x5F617267;
|
|
||||||
argv->cmdLine = (char*)0x91000020;
|
|
||||||
argv->length = argumentsSize;
|
|
||||||
|
|
||||||
sync_after_write(&ptr[2], 4);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
entry();
|
|
||||||
}
|
|
||||||
@ -1,15 +0,0 @@
|
|||||||
/*
|
|
||||||
TinyLoad - a simple region free (original) game launcher in 4k
|
|
||||||
|
|
||||||
# This code is licensed to you under the terms of the GNU GPL, version 2;
|
|
||||||
# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
|
|
||||||
*/
|
|
||||||
|
|
||||||
OUTPUT_FORMAT("elf32-powerpc")
|
|
||||||
OUTPUT_ARCH(powerpc:common)
|
|
||||||
|
|
||||||
ENTRY(_main)
|
|
||||||
|
|
||||||
SECTIONS {
|
|
||||||
. = 0x93000000;
|
|
||||||
}
|
|
||||||
22
source/boot/source/crt0.s
Normal file
22
source/boot/source/crt0.s
Normal file
@ -0,0 +1,22 @@
|
|||||||
|
# Copyright 2008-2009 Segher Boessenkool <segher@kernel.crashing.org>
|
||||||
|
# This code is licensed to you under the terms of the GNU GPL, version 2;
|
||||||
|
# see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
|
||||||
|
|
||||||
|
.extern _main
|
||||||
|
.globl _start
|
||||||
|
_start:
|
||||||
|
|
||||||
|
# Disable interrupts, enable FP.
|
||||||
|
mfmsr 3 ; rlwinm 3,3,0,17,15 ; ori 3,3,0x2000 ; mtmsr 3 ; isync
|
||||||
|
|
||||||
|
# Setup stack.
|
||||||
|
lis 1,_stack_top@ha ; addi 1,1,_stack_top@l ; li 0,0 ; stwu 0,-64(1)
|
||||||
|
|
||||||
|
# Clear BSS.
|
||||||
|
lis 3,__bss_start@ha ; addi 3,3,__bss_start@l
|
||||||
|
li 4,0
|
||||||
|
lis 5,__bss_end@ha ; addi 5,5,__bss_end@l ; sub 5,5,3
|
||||||
|
bl _memset32
|
||||||
|
|
||||||
|
# Go!
|
||||||
|
bl _main
|
||||||
593
source/boot/source/elf_abi.h
Normal file
593
source/boot/source/elf_abi.h
Normal file
@ -0,0 +1,593 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 1995, 1996, 2001, 2002
|
||||||
|
* Erik Theisen. All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. The name of the author may not be used to endorse or promote products
|
||||||
|
* derived from this software without specific prior written permission
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||||||
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||||
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||||
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||||
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||||
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This is the ELF ABI header file
|
||||||
|
* formerly known as "elf_abi.h".
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _ELF_ABI_H
|
||||||
|
#define _ELF_ABI_H
|
||||||
|
|
||||||
|
#include <gctypes.h>
|
||||||
|
|
||||||
|
/*
|
||||||
|
* This version doesn't work for 64-bit ABIs - Erik.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* These typedefs need to be handled better.
|
||||||
|
*/
|
||||||
|
typedef u32 Elf32_Addr; /* Unsigned program address */
|
||||||
|
typedef u32 Elf32_Off; /* Unsigned file offset */
|
||||||
|
typedef s32 Elf32_Sword; /* Signed large integer */
|
||||||
|
typedef u32 Elf32_Word; /* Unsigned large integer */
|
||||||
|
typedef u16 Elf32_Half; /* Unsigned medium integer */
|
||||||
|
|
||||||
|
/* e_ident[] identification indexes */
|
||||||
|
#define EI_MAG0 0 /* file ID */
|
||||||
|
#define EI_MAG1 1 /* file ID */
|
||||||
|
#define EI_MAG2 2 /* file ID */
|
||||||
|
#define EI_MAG3 3 /* file ID */
|
||||||
|
#define EI_CLASS 4 /* file class */
|
||||||
|
#define EI_DATA 5 /* data encoding */
|
||||||
|
#define EI_VERSION 6 /* ELF header version */
|
||||||
|
#define EI_OSABI 7 /* OS/ABI specific ELF extensions */
|
||||||
|
#define EI_ABIVERSION 8 /* ABI target version */
|
||||||
|
#define EI_PAD 9 /* start of pad bytes */
|
||||||
|
#define EI_NIDENT 16 /* Size of e_ident[] */
|
||||||
|
|
||||||
|
/* e_ident[] magic number */
|
||||||
|
#define ELFMAG0 0x7f /* e_ident[EI_MAG0] */
|
||||||
|
#define ELFMAG1 'E' /* e_ident[EI_MAG1] */
|
||||||
|
#define ELFMAG2 'L' /* e_ident[EI_MAG2] */
|
||||||
|
#define ELFMAG3 'F' /* e_ident[EI_MAG3] */
|
||||||
|
#define ELFMAG "\177ELF" /* magic */
|
||||||
|
#define SELFMAG 4 /* size of magic */
|
||||||
|
|
||||||
|
/* e_ident[] file class */
|
||||||
|
#define ELFCLASSNONE 0 /* invalid */
|
||||||
|
#define ELFCLASS32 1 /* 32-bit objs */
|
||||||
|
#define ELFCLASS64 2 /* 64-bit objs */
|
||||||
|
#define ELFCLASSNUM 3 /* number of classes */
|
||||||
|
|
||||||
|
/* e_ident[] data encoding */
|
||||||
|
#define ELFDATANONE 0 /* invalid */
|
||||||
|
#define ELFDATA2LSB 1 /* Little-Endian */
|
||||||
|
#define ELFDATA2MSB 2 /* Big-Endian */
|
||||||
|
#define ELFDATANUM 3 /* number of data encode defines */
|
||||||
|
|
||||||
|
/* e_ident[] OS/ABI specific ELF extensions */
|
||||||
|
#define ELFOSABI_NONE 0 /* No extension specified */
|
||||||
|
#define ELFOSABI_HPUX 1 /* Hewlett-Packard HP-UX */
|
||||||
|
#define ELFOSABI_NETBSD 2 /* NetBSD */
|
||||||
|
#define ELFOSABI_LINUX 3 /* Linux */
|
||||||
|
#define ELFOSABI_SOLARIS 6 /* Sun Solaris */
|
||||||
|
#define ELFOSABI_AIX 7 /* AIX */
|
||||||
|
#define ELFOSABI_IRIX 8 /* IRIX */
|
||||||
|
#define ELFOSABI_FREEBSD 9 /* FreeBSD */
|
||||||
|
#define ELFOSABI_TRU64 10 /* Compaq TRU64 UNIX */
|
||||||
|
#define ELFOSABI_MODESTO 11 /* Novell Modesto */
|
||||||
|
#define ELFOSABI_OPENBSD 12 /* OpenBSD */
|
||||||
|
/* 64-255 Architecture-specific value range */
|
||||||
|
|
||||||
|
/* e_ident[] ABI Version */
|
||||||
|
#define ELFABIVERSION 0
|
||||||
|
|
||||||
|
/* e_ident */
|
||||||
|
#define IS_ELF(ehdr) ((ehdr).e_ident[EI_MAG0] == ELFMAG0 && \
|
||||||
|
(ehdr).e_ident[EI_MAG1] == ELFMAG1 && \
|
||||||
|
(ehdr).e_ident[EI_MAG2] == ELFMAG2 && \
|
||||||
|
(ehdr).e_ident[EI_MAG3] == ELFMAG3)
|
||||||
|
|
||||||
|
/* ELF Header */
|
||||||
|
typedef struct elfhdr{
|
||||||
|
unsigned char e_ident[EI_NIDENT]; /* ELF Identification */
|
||||||
|
Elf32_Half e_type; /* object file type */
|
||||||
|
Elf32_Half e_machine; /* machine */
|
||||||
|
Elf32_Word e_version; /* object file version */
|
||||||
|
Elf32_Addr e_entry; /* virtual entry point */
|
||||||
|
Elf32_Off e_phoff; /* program header table offset */
|
||||||
|
Elf32_Off e_shoff; /* section header table offset */
|
||||||
|
Elf32_Word e_flags; /* processor-specific flags */
|
||||||
|
Elf32_Half e_ehsize; /* ELF header size */
|
||||||
|
Elf32_Half e_phentsize; /* program header entry size */
|
||||||
|
Elf32_Half e_phnum; /* number of program header entries */
|
||||||
|
Elf32_Half e_shentsize; /* section header entry size */
|
||||||
|
Elf32_Half e_shnum; /* number of section header entries */
|
||||||
|
Elf32_Half e_shstrndx; /* section header table's "section
|
||||||
|
header string table" entry offset */
|
||||||
|
} Elf32_Ehdr;
|
||||||
|
|
||||||
|
/* e_type */
|
||||||
|
#define ET_NONE 0 /* No file type */
|
||||||
|
#define ET_REL 1 /* relocatable file */
|
||||||
|
#define ET_EXEC 2 /* executable file */
|
||||||
|
#define ET_DYN 3 /* shared object file */
|
||||||
|
#define ET_CORE 4 /* core file */
|
||||||
|
#define ET_NUM 5 /* number of types */
|
||||||
|
#define ET_LOOS 0xfe00 /* reserved range for operating */
|
||||||
|
#define ET_HIOS 0xfeff /* system specific e_type */
|
||||||
|
#define ET_LOPROC 0xff00 /* reserved range for processor */
|
||||||
|
#define ET_HIPROC 0xffff /* specific e_type */
|
||||||
|
|
||||||
|
/* e_machine */
|
||||||
|
#define EM_NONE 0 /* No Machine */
|
||||||
|
#define EM_M32 1 /* AT&T WE 32100 */
|
||||||
|
#define EM_SPARC 2 /* SPARC */
|
||||||
|
#define EM_386 3 /* Intel 80386 */
|
||||||
|
#define EM_68K 4 /* Motorola 68000 */
|
||||||
|
#define EM_88K 5 /* Motorola 88000 */
|
||||||
|
#if 0
|
||||||
|
#define EM_486 6 /* RESERVED - was Intel 80486 */
|
||||||
|
#endif
|
||||||
|
#define EM_860 7 /* Intel 80860 */
|
||||||
|
#define EM_MIPS 8 /* MIPS R3000 Big-Endian only */
|
||||||
|
#define EM_S370 9 /* IBM System/370 Processor */
|
||||||
|
#define EM_MIPS_RS4_BE 10 /* MIPS R4000 Big-Endian */
|
||||||
|
#if 0
|
||||||
|
#define EM_SPARC64 11 /* RESERVED - was SPARC v9
|
||||||
|
64-bit unoffical */
|
||||||
|
#endif
|
||||||
|
/* RESERVED 11-14 for future use */
|
||||||
|
#define EM_PARISC 15 /* HPPA */
|
||||||
|
/* RESERVED 16 for future use */
|
||||||
|
#define EM_VPP500 17 /* Fujitsu VPP500 */
|
||||||
|
#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */
|
||||||
|
#define EM_960 19 /* Intel 80960 */
|
||||||
|
#define EM_PPC 20 /* PowerPC */
|
||||||
|
#define EM_PPC64 21 /* 64-bit PowerPC */
|
||||||
|
#define EM_S390 22 /* IBM System/390 Processor */
|
||||||
|
/* RESERVED 23-35 for future use */
|
||||||
|
#define EM_V800 36 /* NEC V800 */
|
||||||
|
#define EM_FR20 37 /* Fujitsu FR20 */
|
||||||
|
#define EM_RH32 38 /* TRW RH-32 */
|
||||||
|
#define EM_RCE 39 /* Motorola RCE */
|
||||||
|
#define EM_ARM 40 /* Advanced Risc Machines ARM */
|
||||||
|
#define EM_ALPHA 41 /* Digital Alpha */
|
||||||
|
#define EM_SH 42 /* Hitachi SH */
|
||||||
|
#define EM_SPARCV9 43 /* SPARC Version 9 */
|
||||||
|
#define EM_TRICORE 44 /* Siemens TriCore embedded processor */
|
||||||
|
#define EM_ARC 45 /* Argonaut RISC Core */
|
||||||
|
#define EM_H8_300 46 /* Hitachi H8/300 */
|
||||||
|
#define EM_H8_300H 47 /* Hitachi H8/300H */
|
||||||
|
#define EM_H8S 48 /* Hitachi H8S */
|
||||||
|
#define EM_H8_500 49 /* Hitachi H8/500 */
|
||||||
|
#define EM_IA_64 50 /* Intel Merced */
|
||||||
|
#define EM_MIPS_X 51 /* Stanford MIPS-X */
|
||||||
|
#define EM_COLDFIRE 52 /* Motorola Coldfire */
|
||||||
|
#define EM_68HC12 53 /* Motorola M68HC12 */
|
||||||
|
#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/
|
||||||
|
#define EM_PCP 55 /* Siemens PCP */
|
||||||
|
#define EM_NCPU 56 /* Sony nCPU embeeded RISC */
|
||||||
|
#define EM_NDR1 57 /* Denso NDR1 microprocessor */
|
||||||
|
#define EM_STARCORE 58 /* Motorola Start*Core processor */
|
||||||
|
#define EM_ME16 59 /* Toyota ME16 processor */
|
||||||
|
#define EM_ST100 60 /* STMicroelectronic ST100 processor */
|
||||||
|
#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/
|
||||||
|
#define EM_X86_64 62 /* AMD x86-64 */
|
||||||
|
#define EM_PDSP 63 /* Sony DSP Processor */
|
||||||
|
/* RESERVED 64,65 for future use */
|
||||||
|
#define EM_FX66 66 /* Siemens FX66 microcontroller */
|
||||||
|
#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */
|
||||||
|
#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */
|
||||||
|
#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */
|
||||||
|
#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */
|
||||||
|
#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */
|
||||||
|
#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */
|
||||||
|
#define EM_SVX 73 /* Silicon Graphics SVx */
|
||||||
|
#define EM_ST19 74 /* STMicroelectronics ST19 8 bit mc */
|
||||||
|
#define EM_VAX 75 /* Digital VAX */
|
||||||
|
#define EM_CHRIS 76 /* Axis Communications embedded proc. */
|
||||||
|
#define EM_JAVELIN 77 /* Infineon Technologies emb. proc. */
|
||||||
|
#define EM_FIREPATH 78 /* Element 14 64-bit DSP Processor */
|
||||||
|
#define EM_ZSP 79 /* LSI Logic 16-bit DSP Processor */
|
||||||
|
#define EM_MMIX 80 /* Donald Knuth's edu 64-bit proc. */
|
||||||
|
#define EM_HUANY 81 /* Harvard University mach-indep objs */
|
||||||
|
#define EM_PRISM 82 /* SiTera Prism */
|
||||||
|
#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */
|
||||||
|
#define EM_FR30 84 /* Fujitsu FR30 */
|
||||||
|
#define EM_D10V 85 /* Mitsubishi DV10V */
|
||||||
|
#define EM_D30V 86 /* Mitsubishi DV30V */
|
||||||
|
#define EM_V850 87 /* NEC v850 */
|
||||||
|
#define EM_M32R 88 /* Mitsubishi M32R */
|
||||||
|
#define EM_MN10300 89 /* Matsushita MN10200 */
|
||||||
|
#define EM_MN10200 90 /* Matsushita MN10200 */
|
||||||
|
#define EM_PJ 91 /* picoJava */
|
||||||
|
#define EM_NUM 92 /* number of machine types */
|
||||||
|
|
||||||
|
/* Version */
|
||||||
|
#define EV_NONE 0 /* Invalid */
|
||||||
|
#define EV_CURRENT 1 /* Current */
|
||||||
|
#define EV_NUM 2 /* number of versions */
|
||||||
|
|
||||||
|
/* Section Header */
|
||||||
|
typedef struct {
|
||||||
|
Elf32_Word sh_name; /* name - index into section header
|
||||||
|
string table section */
|
||||||
|
Elf32_Word sh_type; /* type */
|
||||||
|
Elf32_Word sh_flags; /* flags */
|
||||||
|
Elf32_Addr sh_addr; /* address */
|
||||||
|
Elf32_Off sh_offset; /* file offset */
|
||||||
|
Elf32_Word sh_size; /* section size */
|
||||||
|
Elf32_Word sh_link; /* section header table index link */
|
||||||
|
Elf32_Word sh_info; /* extra information */
|
||||||
|
Elf32_Word sh_addralign; /* address alignment */
|
||||||
|
Elf32_Word sh_entsize; /* section entry size */
|
||||||
|
} Elf32_Shdr;
|
||||||
|
|
||||||
|
/* Special Section Indexes */
|
||||||
|
#define SHN_UNDEF 0 /* undefined */
|
||||||
|
#define SHN_LORESERVE 0xff00 /* lower bounds of reserved indexes */
|
||||||
|
#define SHN_LOPROC 0xff00 /* reserved range for processor */
|
||||||
|
#define SHN_HIPROC 0xff1f /* specific section indexes */
|
||||||
|
#define SHN_LOOS 0xff20 /* reserved range for operating */
|
||||||
|
#define SHN_HIOS 0xff3f /* specific semantics */
|
||||||
|
#define SHN_ABS 0xfff1 /* absolute value */
|
||||||
|
#define SHN_COMMON 0xfff2 /* common symbol */
|
||||||
|
#define SHN_XINDEX 0xffff /* Index is an extra table */
|
||||||
|
#define SHN_HIRESERVE 0xffff /* upper bounds of reserved indexes */
|
||||||
|
|
||||||
|
/* sh_type */
|
||||||
|
#define SHT_NULL 0 /* inactive */
|
||||||
|
#define SHT_PROGBITS 1 /* program defined information */
|
||||||
|
#define SHT_SYMTAB 2 /* symbol table section */
|
||||||
|
#define SHT_STRTAB 3 /* string table section */
|
||||||
|
#define SHT_RELA 4 /* relocation section with addends*/
|
||||||
|
#define SHT_HASH 5 /* symbol hash table section */
|
||||||
|
#define SHT_DYNAMIC 6 /* dynamic section */
|
||||||
|
#define SHT_NOTE 7 /* note section */
|
||||||
|
#define SHT_NOBITS 8 /* no space section */
|
||||||
|
#define SHT_REL 9 /* relation section without addends */
|
||||||
|
#define SHT_SHLIB 10 /* reserved - purpose unknown */
|
||||||
|
#define SHT_DYNSYM 11 /* dynamic symbol table section */
|
||||||
|
#define SHT_INIT_ARRAY 14 /* Array of constructors */
|
||||||
|
#define SHT_FINI_ARRAY 15 /* Array of destructors */
|
||||||
|
#define SHT_PREINIT_ARRAY 16 /* Array of pre-constructors */
|
||||||
|
#define SHT_GROUP 17 /* Section group */
|
||||||
|
#define SHT_SYMTAB_SHNDX 18 /* Extended section indeces */
|
||||||
|
#define SHT_NUM 19 /* number of section types */
|
||||||
|
#define SHT_LOOS 0x60000000 /* Start OS-specific */
|
||||||
|
#define SHT_HIOS 0x6fffffff /* End OS-specific */
|
||||||
|
#define SHT_LOPROC 0x70000000 /* reserved range for processor */
|
||||||
|
#define SHT_HIPROC 0x7fffffff /* specific section header types */
|
||||||
|
#define SHT_LOUSER 0x80000000 /* reserved range for application */
|
||||||
|
#define SHT_HIUSER 0xffffffff /* specific indexes */
|
||||||
|
|
||||||
|
/* Section names */
|
||||||
|
#define ELF_BSS ".bss" /* uninitialized data */
|
||||||
|
#define ELF_COMMENT ".comment" /* version control information */
|
||||||
|
#define ELF_DATA ".data" /* initialized data */
|
||||||
|
#define ELF_DATA1 ".data1" /* initialized data */
|
||||||
|
#define ELF_DEBUG ".debug" /* debug */
|
||||||
|
#define ELF_DYNAMIC ".dynamic" /* dynamic linking information */
|
||||||
|
#define ELF_DYNSTR ".dynstr" /* dynamic string table */
|
||||||
|
#define ELF_DYNSYM ".dynsym" /* dynamic symbol table */
|
||||||
|
#define ELF_FINI ".fini" /* termination code */
|
||||||
|
#define ELF_FINI_ARRAY ".fini_array" /* Array of destructors */
|
||||||
|
#define ELF_GOT ".got" /* global offset table */
|
||||||
|
#define ELF_HASH ".hash" /* symbol hash table */
|
||||||
|
#define ELF_INIT ".init" /* initialization code */
|
||||||
|
#define ELF_INIT_ARRAY ".init_array" /* Array of constuctors */
|
||||||
|
#define ELF_INTERP ".interp" /* Pathname of program interpreter */
|
||||||
|
#define ELF_LINE ".line" /* Symbolic line numnber information */
|
||||||
|
#define ELF_NOTE ".note" /* Contains note section */
|
||||||
|
#define ELF_PLT ".plt" /* Procedure linkage table */
|
||||||
|
#define ELF_PREINIT_ARRAY ".preinit_array" /* Array of pre-constructors */
|
||||||
|
#define ELF_REL_DATA ".rel.data" /* relocation data */
|
||||||
|
#define ELF_REL_FINI ".rel.fini" /* relocation termination code */
|
||||||
|
#define ELF_REL_INIT ".rel.init" /* relocation initialization code */
|
||||||
|
#define ELF_REL_DYN ".rel.dyn" /* relocaltion dynamic link info */
|
||||||
|
#define ELF_REL_RODATA ".rel.rodata" /* relocation read-only data */
|
||||||
|
#define ELF_REL_TEXT ".rel.text" /* relocation code */
|
||||||
|
#define ELF_RODATA ".rodata" /* read-only data */
|
||||||
|
#define ELF_RODATA1 ".rodata1" /* read-only data */
|
||||||
|
#define ELF_SHSTRTAB ".shstrtab" /* section header string table */
|
||||||
|
#define ELF_STRTAB ".strtab" /* string table */
|
||||||
|
#define ELF_SYMTAB ".symtab" /* symbol table */
|
||||||
|
#define ELF_SYMTAB_SHNDX ".symtab_shndx"/* symbol table section index */
|
||||||
|
#define ELF_TBSS ".tbss" /* thread local uninit data */
|
||||||
|
#define ELF_TDATA ".tdata" /* thread local init data */
|
||||||
|
#define ELF_TDATA1 ".tdata1" /* thread local init data */
|
||||||
|
#define ELF_TEXT ".text" /* code */
|
||||||
|
|
||||||
|
/* Section Attribute Flags - sh_flags */
|
||||||
|
#define SHF_WRITE 0x1 /* Writable */
|
||||||
|
#define SHF_ALLOC 0x2 /* occupies memory */
|
||||||
|
#define SHF_EXECINSTR 0x4 /* executable */
|
||||||
|
#define SHF_MERGE 0x10 /* Might be merged */
|
||||||
|
#define SHF_STRINGS 0x20 /* Contains NULL terminated strings */
|
||||||
|
#define SHF_INFO_LINK 0x40 /* sh_info contains SHT index */
|
||||||
|
#define SHF_LINK_ORDER 0x80 /* Preserve order after combining*/
|
||||||
|
#define SHF_OS_NONCONFORMING 0x100 /* Non-standard OS specific handling */
|
||||||
|
#define SHF_GROUP 0x200 /* Member of section group */
|
||||||
|
#define SHF_TLS 0x400 /* Thread local storage */
|
||||||
|
#define SHF_MASKOS 0x0ff00000 /* OS specific */
|
||||||
|
#define SHF_MASKPROC 0xf0000000 /* reserved bits for processor */
|
||||||
|
/* specific section attributes */
|
||||||
|
|
||||||
|
/* Section Group Flags */
|
||||||
|
#define GRP_COMDAT 0x1 /* COMDAT group */
|
||||||
|
#define GRP_MASKOS 0x0ff00000 /* Mask OS specific flags */
|
||||||
|
#define GRP_MASKPROC 0xf0000000 /* Mask processor specific flags */
|
||||||
|
|
||||||
|
/* Symbol Table Entry */
|
||||||
|
typedef struct elf32_sym {
|
||||||
|
Elf32_Word st_name; /* name - index into string table */
|
||||||
|
Elf32_Addr st_value; /* symbol value */
|
||||||
|
Elf32_Word st_size; /* symbol size */
|
||||||
|
unsigned char st_info; /* type and binding */
|
||||||
|
unsigned char st_other; /* 0 - no defined meaning */
|
||||||
|
Elf32_Half st_shndx; /* section header index */
|
||||||
|
} Elf32_Sym;
|
||||||
|
|
||||||
|
/* Symbol table index */
|
||||||
|
#define STN_UNDEF 0 /* undefined */
|
||||||
|
|
||||||
|
/* Extract symbol info - st_info */
|
||||||
|
#define ELF32_ST_BIND(x) ((x) >> 4)
|
||||||
|
#define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf)
|
||||||
|
#define ELF32_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf))
|
||||||
|
#define ELF32_ST_VISIBILITY(x) ((x) & 0x3)
|
||||||
|
|
||||||
|
/* Symbol Binding - ELF32_ST_BIND - st_info */
|
||||||
|
#define STB_LOCAL 0 /* Local symbol */
|
||||||
|
#define STB_GLOBAL 1 /* Global symbol */
|
||||||
|
#define STB_WEAK 2 /* like global - lower precedence */
|
||||||
|
#define STB_NUM 3 /* number of symbol bindings */
|
||||||
|
#define STB_LOOS 10 /* reserved range for operating */
|
||||||
|
#define STB_HIOS 12 /* system specific symbol bindings */
|
||||||
|
#define STB_LOPROC 13 /* reserved range for processor */
|
||||||
|
#define STB_HIPROC 15 /* specific symbol bindings */
|
||||||
|
|
||||||
|
/* Symbol type - ELF32_ST_TYPE - st_info */
|
||||||
|
#define STT_NOTYPE 0 /* not specified */
|
||||||
|
#define STT_OBJECT 1 /* data object */
|
||||||
|
#define STT_FUNC 2 /* function */
|
||||||
|
#define STT_SECTION 3 /* section */
|
||||||
|
#define STT_FILE 4 /* file */
|
||||||
|
#define STT_NUM 5 /* number of symbol types */
|
||||||
|
#define STT_TLS 6 /* Thread local storage symbol */
|
||||||
|
#define STT_LOOS 10 /* reserved range for operating */
|
||||||
|
#define STT_HIOS 12 /* system specific symbol types */
|
||||||
|
#define STT_LOPROC 13 /* reserved range for processor */
|
||||||
|
#define STT_HIPROC 15 /* specific symbol types */
|
||||||
|
|
||||||
|
/* Symbol visibility - ELF32_ST_VISIBILITY - st_other */
|
||||||
|
#define STV_DEFAULT 0 /* Normal visibility rules */
|
||||||
|
#define STV_INTERNAL 1 /* Processor specific hidden class */
|
||||||
|
#define STV_HIDDEN 2 /* Symbol unavailable in other mods */
|
||||||
|
#define STV_PROTECTED 3 /* Not preemptible, not exported */
|
||||||
|
|
||||||
|
|
||||||
|
/* Relocation entry with implicit addend */
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
Elf32_Addr r_offset; /* offset of relocation */
|
||||||
|
Elf32_Word r_info; /* symbol table index and type */
|
||||||
|
} Elf32_Rel;
|
||||||
|
|
||||||
|
/* Relocation entry with explicit addend */
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
Elf32_Addr r_offset; /* offset of relocation */
|
||||||
|
Elf32_Word r_info; /* symbol table index and type */
|
||||||
|
Elf32_Sword r_addend;
|
||||||
|
} Elf32_Rela;
|
||||||
|
|
||||||
|
/* Extract relocation info - r_info */
|
||||||
|
#define ELF32_R_SYM(i) ((i) >> 8)
|
||||||
|
#define ELF32_R_TYPE(i) ((unsigned char) (i))
|
||||||
|
#define ELF32_R_INFO(s,t) (((s) << 8) + (unsigned char)(t))
|
||||||
|
|
||||||
|
/* Program Header */
|
||||||
|
typedef struct {
|
||||||
|
Elf32_Word p_type; /* segment type */
|
||||||
|
Elf32_Off p_offset; /* segment offset */
|
||||||
|
Elf32_Addr p_vaddr; /* virtual address of segment */
|
||||||
|
Elf32_Addr p_paddr; /* physical address - ignored? */
|
||||||
|
Elf32_Word p_filesz; /* number of bytes in file for seg. */
|
||||||
|
Elf32_Word p_memsz; /* number of bytes in mem. for seg. */
|
||||||
|
Elf32_Word p_flags; /* flags */
|
||||||
|
Elf32_Word p_align; /* memory alignment */
|
||||||
|
} Elf32_Phdr;
|
||||||
|
|
||||||
|
/* Segment types - p_type */
|
||||||
|
#define PT_NULL 0 /* unused */
|
||||||
|
#define PT_LOAD 1 /* loadable segment */
|
||||||
|
#define PT_DYNAMIC 2 /* dynamic linking section */
|
||||||
|
#define PT_INTERP 3 /* the RTLD */
|
||||||
|
#define PT_NOTE 4 /* auxiliary information */
|
||||||
|
#define PT_SHLIB 5 /* reserved - purpose undefined */
|
||||||
|
#define PT_PHDR 6 /* program header */
|
||||||
|
#define PT_TLS 7 /* Thread local storage template */
|
||||||
|
#define PT_NUM 8 /* Number of segment types */
|
||||||
|
#define PT_LOOS 0x60000000 /* reserved range for operating */
|
||||||
|
#define PT_HIOS 0x6fffffff /* system specific segment types */
|
||||||
|
#define PT_LOPROC 0x70000000 /* reserved range for processor */
|
||||||
|
#define PT_HIPROC 0x7fffffff /* specific segment types */
|
||||||
|
|
||||||
|
/* Segment flags - p_flags */
|
||||||
|
#define PF_X 0x1 /* Executable */
|
||||||
|
#define PF_W 0x2 /* Writable */
|
||||||
|
#define PF_R 0x4 /* Readable */
|
||||||
|
#define PF_MASKOS 0x0ff00000 /* OS specific segment flags */
|
||||||
|
#define PF_MASKPROC 0xf0000000 /* reserved bits for processor */
|
||||||
|
/* specific segment flags */
|
||||||
|
/* Dynamic structure */
|
||||||
|
typedef struct
|
||||||
|
{
|
||||||
|
Elf32_Sword d_tag; /* controls meaning of d_val */
|
||||||
|
union
|
||||||
|
{
|
||||||
|
Elf32_Word d_val; /* Multiple meanings - see d_tag */
|
||||||
|
Elf32_Addr d_ptr; /* program virtual address */
|
||||||
|
} d_un;
|
||||||
|
} Elf32_Dyn;
|
||||||
|
|
||||||
|
extern Elf32_Dyn _DYNAMIC[];
|
||||||
|
|
||||||
|
/* Dynamic Array Tags - d_tag */
|
||||||
|
#define DT_NULL 0 /* marks end of _DYNAMIC array */
|
||||||
|
#define DT_NEEDED 1 /* string table offset of needed lib */
|
||||||
|
#define DT_PLTRELSZ 2 /* size of relocation entries in PLT */
|
||||||
|
#define DT_PLTGOT 3 /* address PLT/GOT */
|
||||||
|
#define DT_HASH 4 /* address of symbol hash table */
|
||||||
|
#define DT_STRTAB 5 /* address of string table */
|
||||||
|
#define DT_SYMTAB 6 /* address of symbol table */
|
||||||
|
#define DT_RELA 7 /* address of relocation table */
|
||||||
|
#define DT_RELASZ 8 /* size of relocation table */
|
||||||
|
#define DT_RELAENT 9 /* size of relocation entry */
|
||||||
|
#define DT_STRSZ 10 /* size of string table */
|
||||||
|
#define DT_SYMENT 11 /* size of symbol table entry */
|
||||||
|
#define DT_INIT 12 /* address of initialization func. */
|
||||||
|
#define DT_FINI 13 /* address of termination function */
|
||||||
|
#define DT_SONAME 14 /* string table offset of shared obj */
|
||||||
|
#define DT_RPATH 15 /* string table offset of library
|
||||||
|
search path */
|
||||||
|
#define DT_SYMBOLIC 16 /* start sym search in shared obj. */
|
||||||
|
#define DT_REL 17 /* address of rel. tbl. w addends */
|
||||||
|
#define DT_RELSZ 18 /* size of DT_REL relocation table */
|
||||||
|
#define DT_RELENT 19 /* size of DT_REL relocation entry */
|
||||||
|
#define DT_PLTREL 20 /* PLT referenced relocation entry */
|
||||||
|
#define DT_DEBUG 21 /* bugger */
|
||||||
|
#define DT_TEXTREL 22 /* Allow rel. mod. to unwritable seg */
|
||||||
|
#define DT_JMPREL 23 /* add. of PLT's relocation entries */
|
||||||
|
#define DT_BIND_NOW 24 /* Process relocations of object */
|
||||||
|
#define DT_INIT_ARRAY 25 /* Array with addresses of init fct */
|
||||||
|
#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
|
||||||
|
#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
|
||||||
|
#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
|
||||||
|
#define DT_RUNPATH 29 /* Library search path */
|
||||||
|
#define DT_FLAGS 30 /* Flags for the object being loaded */
|
||||||
|
#define DT_ENCODING 32 /* Start of encoded range */
|
||||||
|
#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
|
||||||
|
#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
|
||||||
|
#define DT_NUM 34 /* Number used. */
|
||||||
|
#define DT_LOOS 0x60000000 /* reserved range for OS */
|
||||||
|
#define DT_HIOS 0x6fffffff /* specific dynamic array tags */
|
||||||
|
#define DT_LOPROC 0x70000000 /* reserved range for processor */
|
||||||
|
#define DT_HIPROC 0x7fffffff /* specific dynamic array tags */
|
||||||
|
|
||||||
|
/* Dynamic Tag Flags - d_un.d_val */
|
||||||
|
#define DF_ORIGIN 0x01 /* Object may use DF_ORIGIN */
|
||||||
|
#define DF_SYMBOLIC 0x02 /* Symbol resolutions starts here */
|
||||||
|
#define DF_TEXTREL 0x04 /* Object contains text relocations */
|
||||||
|
#define DF_BIND_NOW 0x08 /* No lazy binding for this object */
|
||||||
|
#define DF_STATIC_TLS 0x10 /* Static thread local storage */
|
||||||
|
|
||||||
|
/* Standard ELF hashing function */
|
||||||
|
unsigned long elf_hash(const unsigned char *name);
|
||||||
|
|
||||||
|
#define ELF_TARG_VER 1 /* The ver for which this code is intended */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* XXX - PowerPC defines really don't belong in here,
|
||||||
|
* but we'll put them in for simplicity.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* Values for Elf32/64_Ehdr.e_flags. */
|
||||||
|
#define EF_PPC_EMB 0x80000000 /* PowerPC embedded flag */
|
||||||
|
|
||||||
|
/* Cygnus local bits below */
|
||||||
|
#define EF_PPC_RELOCATABLE 0x00010000 /* PowerPC -mrelocatable flag*/
|
||||||
|
#define EF_PPC_RELOCATABLE_LIB 0x00008000 /* PowerPC -mrelocatable-lib
|
||||||
|
flag */
|
||||||
|
|
||||||
|
/* PowerPC relocations defined by the ABIs */
|
||||||
|
#define R_PPC_NONE 0
|
||||||
|
#define R_PPC_ADDR32 1 /* 32bit absolute address */
|
||||||
|
#define R_PPC_ADDR24 2 /* 26bit address, 2 bits ignored. */
|
||||||
|
#define R_PPC_ADDR16 3 /* 16bit absolute address */
|
||||||
|
#define R_PPC_ADDR16_LO 4 /* lower 16bit of absolute address */
|
||||||
|
#define R_PPC_ADDR16_HI 5 /* high 16bit of absolute address */
|
||||||
|
#define R_PPC_ADDR16_HA 6 /* adjusted high 16bit */
|
||||||
|
#define R_PPC_ADDR14 7 /* 16bit address, 2 bits ignored */
|
||||||
|
#define R_PPC_ADDR14_BRTAKEN 8
|
||||||
|
#define R_PPC_ADDR14_BRNTAKEN 9
|
||||||
|
#define R_PPC_REL24 10 /* PC relative 26 bit */
|
||||||
|
#define R_PPC_REL14 11 /* PC relative 16 bit */
|
||||||
|
#define R_PPC_REL14_BRTAKEN 12
|
||||||
|
#define R_PPC_REL14_BRNTAKEN 13
|
||||||
|
#define R_PPC_GOT16 14
|
||||||
|
#define R_PPC_GOT16_LO 15
|
||||||
|
#define R_PPC_GOT16_HI 16
|
||||||
|
#define R_PPC_GOT16_HA 17
|
||||||
|
#define R_PPC_PLTREL24 18
|
||||||
|
#define R_PPC_COPY 19
|
||||||
|
#define R_PPC_GLOB_DAT 20
|
||||||
|
#define R_PPC_JMP_SLOT 21
|
||||||
|
#define R_PPC_RELATIVE 22
|
||||||
|
#define R_PPC_LOCAL24PC 23
|
||||||
|
#define R_PPC_UADDR32 24
|
||||||
|
#define R_PPC_UADDR16 25
|
||||||
|
#define R_PPC_REL32 26
|
||||||
|
#define R_PPC_PLT32 27
|
||||||
|
#define R_PPC_PLTREL32 28
|
||||||
|
#define R_PPC_PLT16_LO 29
|
||||||
|
#define R_PPC_PLT16_HI 30
|
||||||
|
#define R_PPC_PLT16_HA 31
|
||||||
|
#define R_PPC_SDAREL16 32
|
||||||
|
#define R_PPC_SECTOFF 33
|
||||||
|
#define R_PPC_SECTOFF_LO 34
|
||||||
|
#define R_PPC_SECTOFF_HI 35
|
||||||
|
#define R_PPC_SECTOFF_HA 36
|
||||||
|
/* Keep this the last entry. */
|
||||||
|
#define R_PPC_NUM 37
|
||||||
|
|
||||||
|
/* The remaining relocs are from the Embedded ELF ABI, and are not
|
||||||
|
in the SVR4 ELF ABI. */
|
||||||
|
#define R_PPC_EMB_NADDR32 101
|
||||||
|
#define R_PPC_EMB_NADDR16 102
|
||||||
|
#define R_PPC_EMB_NADDR16_LO 103
|
||||||
|
#define R_PPC_EMB_NADDR16_HI 104
|
||||||
|
#define R_PPC_EMB_NADDR16_HA 105
|
||||||
|
#define R_PPC_EMB_SDAI16 106
|
||||||
|
#define R_PPC_EMB_SDA2I16 107
|
||||||
|
#define R_PPC_EMB_SDA2REL 108
|
||||||
|
#define R_PPC_EMB_SDA21 109 /* 16 bit offset in SDA */
|
||||||
|
#define R_PPC_EMB_MRKREF 110
|
||||||
|
#define R_PPC_EMB_RELSEC16 111
|
||||||
|
#define R_PPC_EMB_RELST_LO 112
|
||||||
|
#define R_PPC_EMB_RELST_HI 113
|
||||||
|
#define R_PPC_EMB_RELST_HA 114
|
||||||
|
#define R_PPC_EMB_BIT_FLD 115
|
||||||
|
#define R_PPC_EMB_RELSDA 116 /* 16 bit relative offset in SDA */
|
||||||
|
|
||||||
|
/* Diab tool relocations. */
|
||||||
|
#define R_PPC_DIAB_SDA21_LO 180 /* like EMB_SDA21, but lower 16 bit */
|
||||||
|
#define R_PPC_DIAB_SDA21_HI 181 /* like EMB_SDA21, but high 16 bit */
|
||||||
|
#define R_PPC_DIAB_SDA21_HA 182 /* like EMB_SDA21, adjusted high 16 */
|
||||||
|
#define R_PPC_DIAB_RELSDA_LO 183 /* like EMB_RELSDA, but lower 16 bit */
|
||||||
|
#define R_PPC_DIAB_RELSDA_HI 184 /* like EMB_RELSDA, but high 16 bit */
|
||||||
|
#define R_PPC_DIAB_RELSDA_HA 185 /* like EMB_RELSDA, adjusted high 16 */
|
||||||
|
|
||||||
|
/* This is a phony reloc to handle any old fashioned TOC16 references
|
||||||
|
that may still be in object files. */
|
||||||
|
#define R_PPC_TOC16 255
|
||||||
|
|
||||||
|
#endif /* _ELF_H */
|
||||||
27
source/boot/source/link.ld
Normal file
27
source/boot/source/link.ld
Normal file
@ -0,0 +1,27 @@
|
|||||||
|
/* Copyright 2008-2009 Segher Boessenkool <segher@kernel.crashing.org>
|
||||||
|
This code is licensed to you under the terms of the GNU GPL, version 2;
|
||||||
|
see file COPYING or http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt */
|
||||||
|
|
||||||
|
OUTPUT_FORMAT("elf32-powerpc")
|
||||||
|
OUTPUT_ARCH(powerpc:common)
|
||||||
|
|
||||||
|
ENTRY(_start)
|
||||||
|
|
||||||
|
SECTIONS {
|
||||||
|
. = 0x93300000;
|
||||||
|
|
||||||
|
.start : { crt0.o(*) }
|
||||||
|
.text : { *(.text) }
|
||||||
|
.rodata : { *(.rodata .rodata.*)}
|
||||||
|
.data : { *(.data) }
|
||||||
|
|
||||||
|
__bss_start = .;
|
||||||
|
.bss : { *(.bss) }
|
||||||
|
__bss_end = .;
|
||||||
|
|
||||||
|
. = ALIGN(0x40);
|
||||||
|
.stack : {
|
||||||
|
. += 0x8000;
|
||||||
|
_stack_top = .;
|
||||||
|
}
|
||||||
|
}
|
||||||
104
source/boot/source/loader.c
Normal file
104
source/boot/source/loader.c
Normal file
@ -0,0 +1,104 @@
|
|||||||
|
#include <gccore.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <malloc.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
|
||||||
|
#include "loader.h"
|
||||||
|
#include "elf_abi.h"
|
||||||
|
|
||||||
|
bool ExecIsElf(const u8* buffer)
|
||||||
|
{
|
||||||
|
Elf32_Ehdr* ehdr = (Elf32_Ehdr*)buffer;
|
||||||
|
|
||||||
|
if (!IS_ELF(*ehdr))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ehdr->e_ident[EI_CLASS] != ELFCLASS32)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ehdr->e_ident[EI_DATA] != ELFDATA2MSB)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ehdr->e_ident[EI_VERSION] != EV_CURRENT)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ehdr->e_type != ET_EXEC)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ehdr->e_machine != EM_PPC)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LoadElf(entrypoint* entry, const u8* buffer)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
Elf32_Ehdr* ehdr = (Elf32_Ehdr*)buffer;
|
||||||
|
|
||||||
|
if (ehdr->e_phoff == 0 || ehdr->e_phnum == 0)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (ehdr->e_phentsize != (sizeof(Elf32_Phdr)))
|
||||||
|
return false;
|
||||||
|
|
||||||
|
Elf32_Phdr* phdrs = (Elf32_Phdr*)(buffer + ehdr->e_phoff);
|
||||||
|
|
||||||
|
for (i = 0; i < ehdr->e_phnum; i++)
|
||||||
|
{
|
||||||
|
if (phdrs[i].p_type == PT_LOAD)
|
||||||
|
{
|
||||||
|
phdrs[i].p_paddr &= 0x3FFFFFFF;
|
||||||
|
phdrs[i].p_paddr |= 0x80000000;
|
||||||
|
|
||||||
|
if (phdrs[i].p_filesz > phdrs[i].p_memsz)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
if (phdrs[i].p_filesz)
|
||||||
|
{
|
||||||
|
memmove((void*)phdrs[i].p_paddr, (void*)(buffer + phdrs[i].p_offset), phdrs[i].p_filesz);
|
||||||
|
DCFlushRange((void*)phdrs[i].p_paddr, phdrs[i].p_memsz);
|
||||||
|
|
||||||
|
if (phdrs[i].p_flags & PF_X)
|
||||||
|
ICInvalidateRange((void*)phdrs[i].p_paddr, phdrs[i].p_memsz);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
*entry = (entrypoint)((ehdr->e_entry & 0x3FFFFFFF) | 0x80000000);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool LoadDol(entrypoint* entry, const u8* buffer)
|
||||||
|
{
|
||||||
|
u32 i;
|
||||||
|
dolhdr* dol = (dolhdr*)buffer;
|
||||||
|
|
||||||
|
for (i = 0; i < 7; i++)
|
||||||
|
{
|
||||||
|
if (dol->sizeText[i] == 0 || dol->addressText[i] < 0x100)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
//printf(" Move text section %u @ 0x%08x -> 0x%08x (0x%0X bytes)\n", i, (u32)(buffer + dol->offsetText[i]), dol->addressText[i], dol->sizeText[i]);
|
||||||
|
memmove((void*)dol->addressText[i], buffer + dol->offsetText[i], dol->sizeText[i]);
|
||||||
|
DCFlushRange((void*)dol->addressText[i], dol->sizeText[i]);
|
||||||
|
ICInvalidateRange((void*)dol->addressText[i], dol->sizeText[i]);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < 11; i++)
|
||||||
|
{
|
||||||
|
if (dol->sizeData[i] == 0)
|
||||||
|
continue;
|
||||||
|
|
||||||
|
//printf(" Move data section %u @ 0x%08x -> 0x%08x (0x%0X bytes)\n", i, (u32)(buffer + dol->offsetData[i]), dol->addressData[i], dol->sizeData[i]);
|
||||||
|
memmove((void*)dol->addressData[i], buffer + dol->offsetData[i], dol->sizeData[i]);
|
||||||
|
DCFlushRange((void*)dol->addressData[i], dol->sizeData[i]);
|
||||||
|
}
|
||||||
|
|
||||||
|
*entry = (entrypoint)dol->entrypoint;
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
26
source/boot/source/loader.h
Normal file
26
source/boot/source/loader.h
Normal file
@ -0,0 +1,26 @@
|
|||||||
|
#ifndef _LOADER_H_
|
||||||
|
#define _LOADER_H_
|
||||||
|
|
||||||
|
#include <gctypes.h>
|
||||||
|
|
||||||
|
typedef void (*entrypoint) (void);
|
||||||
|
|
||||||
|
typedef struct _dolhdr
|
||||||
|
{
|
||||||
|
u32 offsetText[7];
|
||||||
|
u32 offsetData[11];
|
||||||
|
u32 addressText[7];
|
||||||
|
u32 addressData[11];
|
||||||
|
u32 sizeText[7];
|
||||||
|
u32 sizeData[11];
|
||||||
|
u32 addressBSS;
|
||||||
|
u32 sizeBSS;
|
||||||
|
u32 entrypoint;
|
||||||
|
} dolhdr;
|
||||||
|
|
||||||
|
bool ExecIsElf(const u8* buffer);
|
||||||
|
bool LoadElf(entrypoint* entry, const u8* buffer);
|
||||||
|
bool LoadDol(entrypoint* entry, const u8* buffer);
|
||||||
|
|
||||||
|
|
||||||
|
#endif
|
||||||
88
source/boot/source/main.c
Normal file
88
source/boot/source/main.c
Normal file
@ -0,0 +1,88 @@
|
|||||||
|
#include <gccore.h>
|
||||||
|
#include <fat.h>
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <malloc.h>
|
||||||
|
|
||||||
|
#include "loader.h"
|
||||||
|
|
||||||
|
extern void __exception_setreload(int t);
|
||||||
|
static void* xfb = NULL;
|
||||||
|
static GXRModeObj* rmode = NULL;
|
||||||
|
|
||||||
|
struct Arguments
|
||||||
|
{
|
||||||
|
int magic;
|
||||||
|
char* cmdLine;
|
||||||
|
int length;
|
||||||
|
};
|
||||||
|
|
||||||
|
void VideoInit(void)
|
||||||
|
{
|
||||||
|
VIDEO_Init();
|
||||||
|
rmode = VIDEO_GetPreferredMode(NULL);
|
||||||
|
xfb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
|
||||||
|
console_init(xfb,20,20,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*VI_DISPLAY_PIX_SZ);
|
||||||
|
VIDEO_Configure(rmode);
|
||||||
|
VIDEO_SetNextFramebuffer(xfb);
|
||||||
|
VIDEO_SetBlack(FALSE);
|
||||||
|
VIDEO_Flush();
|
||||||
|
VIDEO_WaitVSync();
|
||||||
|
if(rmode->viTVMode&VI_NON_INTERLACE)
|
||||||
|
VIDEO_WaitVSync();
|
||||||
|
|
||||||
|
printf("\x1b[2;0H");
|
||||||
|
}
|
||||||
|
|
||||||
|
int main(void)
|
||||||
|
{
|
||||||
|
VideoInit();
|
||||||
|
|
||||||
|
u8* buffer = (u8*)0x92000000;
|
||||||
|
entrypoint entry;
|
||||||
|
bool execLoaded = false;
|
||||||
|
|
||||||
|
if (ExecIsElf(buffer))
|
||||||
|
{
|
||||||
|
//printf(" Loading ELF @ address 0x%08X:\n\n", (u32)buffer);
|
||||||
|
execLoaded = LoadElf(&entry, buffer);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
//printf(" Loading DOL @ address 0x%08X::\n\n", (u32)buffer);
|
||||||
|
execLoaded = LoadDol(&entry, buffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!execLoaded)
|
||||||
|
return -1;
|
||||||
|
|
||||||
|
u8* execPtr = (u8*)entry;
|
||||||
|
|
||||||
|
if (execPtr[0x20] == 0x41)
|
||||||
|
{
|
||||||
|
execPtr[0x21] = 0x40;
|
||||||
|
DCFlushRange(&execPtr[0x20], 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
u32 argumentsSize = *(vu32*)0x91000000;
|
||||||
|
if (argumentsSize > 0)
|
||||||
|
{
|
||||||
|
u32* ptr = (u32*)entry;
|
||||||
|
|
||||||
|
if (ptr[1] == 0x5F617267)
|
||||||
|
{
|
||||||
|
struct Arguments* argv = (struct Arguments*)&ptr[2];
|
||||||
|
|
||||||
|
argv->magic = 0x5F617267;
|
||||||
|
argv->cmdLine = (char*)0x91000020;
|
||||||
|
argv->length = argumentsSize;
|
||||||
|
|
||||||
|
DCFlushRange(&ptr[2], 4);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
entry();
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
@ -1,77 +0,0 @@
|
|||||||
#include "utils.h"
|
|
||||||
|
|
||||||
void sync_before_read(void *ptr, u32 len)
|
|
||||||
{
|
|
||||||
u32 a, b;
|
|
||||||
|
|
||||||
a = (u32)ptr & ~0x1f;
|
|
||||||
b = ((u32)ptr + len + 0x1f) & ~0x1f;
|
|
||||||
|
|
||||||
for ( ; a < b; a += 32)
|
|
||||||
asm("dcbi 0,%0" : : "b"(a) : "memory");
|
|
||||||
|
|
||||||
asm("sync ; isync");
|
|
||||||
}
|
|
||||||
|
|
||||||
void sync_after_write(const void *ptr, u32 len)
|
|
||||||
{
|
|
||||||
u32 a, b;
|
|
||||||
|
|
||||||
a = (u32)ptr & ~0x1f;
|
|
||||||
b = ((u32)ptr + len + 0x1f) & ~0x1f;
|
|
||||||
|
|
||||||
for ( ; a < b; a += 32)
|
|
||||||
asm("dcbf 0,%0" : : "b"(a));
|
|
||||||
|
|
||||||
asm("sync ; isync");
|
|
||||||
}
|
|
||||||
|
|
||||||
void _memcpy(void *ptr, const void *src, u32 size)
|
|
||||||
{
|
|
||||||
char *ptr2 = ptr;
|
|
||||||
u32 bsize = size;
|
|
||||||
const char* src2 = src;
|
|
||||||
while(size--) *ptr2++ = *src2++;
|
|
||||||
|
|
||||||
sync_after_write(ptr, bsize);
|
|
||||||
}
|
|
||||||
|
|
||||||
void _memset32(u32 *address, u32 data, u32 length)
|
|
||||||
{
|
|
||||||
while(length--)
|
|
||||||
*address++ = data;
|
|
||||||
}
|
|
||||||
|
|
||||||
int _memcmp(const void *s1, const void *s2, size_t n)
|
|
||||||
{
|
|
||||||
unsigned char *us1 = (unsigned char *) s1;
|
|
||||||
unsigned char *us2 = (unsigned char *) s2;
|
|
||||||
while(n-- != 0)
|
|
||||||
{
|
|
||||||
if (*us1 != *us2)
|
|
||||||
return (*us1 < *us2) ? -1 : +1;
|
|
||||||
us1++;
|
|
||||||
us2++;
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
size_t strnlen(const char *s, size_t count)
|
|
||||||
{
|
|
||||||
const char *sc;
|
|
||||||
|
|
||||||
for(sc = s; count-- && *sc != '\0'; ++sc)
|
|
||||||
/* nothing */;
|
|
||||||
return sc - s;
|
|
||||||
}
|
|
||||||
|
|
||||||
inline void write32(u32 dest, u32 value)
|
|
||||||
{
|
|
||||||
*(u32*)dest = value;
|
|
||||||
sync_after_write((void*)dest, 0x20);
|
|
||||||
}
|
|
||||||
|
|
||||||
inline u32 read32(u32 src)
|
|
||||||
{
|
|
||||||
return *(u32*)src;
|
|
||||||
}
|
|
||||||
@ -1,54 +0,0 @@
|
|||||||
#ifndef __UTILS_H__
|
|
||||||
#define __UTILS_H__
|
|
||||||
|
|
||||||
typedef unsigned char u8;
|
|
||||||
typedef unsigned char uint8_t;
|
|
||||||
typedef unsigned short u16;
|
|
||||||
typedef unsigned short uint16_t;
|
|
||||||
typedef unsigned int u32;
|
|
||||||
typedef unsigned long long u64;
|
|
||||||
|
|
||||||
typedef int bool;
|
|
||||||
typedef unsigned int sec_t;
|
|
||||||
|
|
||||||
typedef signed char s8;
|
|
||||||
typedef signed short s16;
|
|
||||||
typedef signed int s32;
|
|
||||||
typedef signed long long s64;
|
|
||||||
|
|
||||||
typedef volatile unsigned char vu8;
|
|
||||||
typedef volatile unsigned short vu16;
|
|
||||||
typedef volatile unsigned int vu32;
|
|
||||||
typedef volatile unsigned long long vu64;
|
|
||||||
|
|
||||||
typedef volatile signed char vs8;
|
|
||||||
typedef volatile signed short vs16;
|
|
||||||
typedef volatile signed int vs32;
|
|
||||||
typedef volatile signed long long vs64;
|
|
||||||
|
|
||||||
typedef s32 size_t;
|
|
||||||
typedef u32 u_int32_t;
|
|
||||||
|
|
||||||
|
|
||||||
struct Arguments
|
|
||||||
{
|
|
||||||
int magic;
|
|
||||||
char* cmdLine;
|
|
||||||
int length;
|
|
||||||
};
|
|
||||||
|
|
||||||
#define NULL ((void*)0)
|
|
||||||
#define true 1
|
|
||||||
#define false 0
|
|
||||||
#define IsWiiU ((*(u32*)0xcd8005A0 >> 16 ) == 0xCAFE)
|
|
||||||
|
|
||||||
void sync_before_read(void* ptr, u32 len);
|
|
||||||
void sync_after_write(const void* ptr, u32 len);
|
|
||||||
void _memcpy(void *ptr, const void *src, u32 size);
|
|
||||||
void _memset32(unsigned int *addr, unsigned int data, unsigned int count);
|
|
||||||
int _memcmp(const void *s1, const void *s2, size_t n);
|
|
||||||
size_t strnlen(const char *s, size_t count);
|
|
||||||
void write32(u32 value, u32 dest);
|
|
||||||
u32 read32(u32 src);
|
|
||||||
|
|
||||||
#endif
|
|
||||||
Loading…
Reference in New Issue
Block a user