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Added boot2_run IPC code

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Cleaned up ipc.h a little and removed unused IPC_MISC stuff
This commit is contained in:
John Kelley 2009-02-26 00:54:15 -08:00 committed by bushing
parent de1284379d
commit bb683c50a2
4 changed files with 27 additions and 7 deletions
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19
boot2.c
View File

@ -41,7 +41,7 @@ void boot2_init() {
for (i = 0x40; i < 0x140; i++, ptr += 2048) {
nand_read_page(i, ptr, ecc);
__nand_wait();
nand_wait();
}
if (hdr->len != sizeof(struct wadheader))
@ -104,13 +104,14 @@ int boot2_run(u32 tid_hi, u32 tid_lo) {
patch[2] = tid_hi;
patch[3] = tid_lo;
gecko_printf("booting boot2 with title 0x%08x, 0x%08x\n", tid_hi, tid_lo);
powerpc_hang();
memcpy((void *)0x11000000, boot2, sizeof boot2);
ptr = (void *)0x11000000 + hdr->hdrsize + hdr->loadersize;
for (i = 0; i < sizeof(boot2); i += 1) {
if (memcmp(ptr+i, match, sizeof(match)) == 0) {
memcpy(ptr+i, patch, sizeof(patch));
gecko_printf("patched data @%08x\n", ptr+i);
gecko_printf("patched data @%08x\n", (u32)ptr+i);
}
}
@ -120,3 +121,17 @@ int boot2_run(u32 tid_hi, u32 tid_lo) {
gecko_printf("boot2 is at %p\n", vector);
return 1;
}
void boot2_ipc(volatile ipc_request *req)
{
u32 ret = 0;
switch (req->req) {
case IPC_BOOT2_RUN:
ret = boot2_run((u32)req->args[0], (u32)req->args[1]);
ipc_post(req->code, req->tag, 1, ret);
break;
default:
gecko_printf("IPC: unknown SLOW BOOT2 request %04X\n", req->req);
}
}

1
boot2.h
View File

@ -1,6 +1,7 @@
#ifndef __BOOT2_H__
#define __BOOT2_H__
void boot2_ipc(volatile ipc_request *req);
int boot2_run(u32 tid_hi, u32 tid_lo);
void boot2_init();

4
ipc.c
View File

@ -9,6 +9,7 @@
#include "nand.h"
#include "sdhc.h"
#include "crypto.h"
#include "boot2.h"
static volatile ipc_request in_queue[IPC_IN_SIZE] ALIGNED(32) MEM2_BSS;
static volatile ipc_request out_queue[IPC_OUT_SIZE] ALIGNED(32) MEM2_BSS;
@ -106,6 +107,9 @@ static int process_slow(volatile ipc_request *req)
case IPC_DEV_AES:
aes_ipc(req);
break;
case IPC_DEV_BOOT2:
boot2_ipc(req);
break;
default:
gecko_printf("IPC: unknown SLOW request %02x-%04x\n", req->device, req->req);
}

4
ipc.h
View File

@ -11,7 +11,7 @@
#define IPC_DEV_SD 0x02
#define IPC_DEV_KEYS 0x03
#define IPC_DEV_AES 0x04
#define IPC_DEV_MISC 0x10
#define IPC_DEV_BOOT2 0x05
#define IPC_SYS_PING 0x0000
#define IPC_SYS_JUMP 0x0001
@ -51,7 +51,7 @@
#define IPC_AES_SETKEY 0x0002
#define IPC_AES_DECRYPT 0x0003
#define IPC_MISC_BACKUP_DOBLOCK 0x0001
#define IPC_BOOT2_RUN 0x0000
#define IPC_CODE (f,d,r) (((f)<<24)|((d)<<16)|(r))