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ios_kernel: Improve readability for instant patches

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This commit is contained in:
Maschell 2023-03-11 17:20:38 +01:00
parent b6609ff7b4
commit ceb856dbba
1 changed files with 9 additions and 8 deletions
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17
source/ios_kernel/source/instant_patches.c
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@ -40,12 +40,13 @@ typedef struct {
} ios_map_shared_info_t;
#define MCP_CUSTOM_TEXT_LENGTH 0xA000
#define MCP_CUSTOM_TEXT_START 0x05116000
#define MCP_CUSTOM_BSS_START 0x050BD000
#define MCP_CUSTOM_BSS_LENGTH 0x3000
#define ENVIRONMENT_PATH_LENGTH 0x100
#define mcp_text_phys(addr) ((u32) (addr) -0x05000000 + 0x081C0000)
#define mcp_rodata_phys(addr) ((u32) (addr) -0x05060000 + 0x08220000)
#define mcp_data_phys(addr) ((u32) (addr) -0x05074000 + 0x08234000)
#define acp_phys(addr) ((u32) (addr) -0xE0000000 + 0x12900000)
#define fsa_phys(addr) ((u32) (addr))
#define kernel_phys(addr) ((u32) (addr))
#define acp_text_phys(addr) ((u32) (addr) -0xE0000000 + 0x12900000)
@ -89,7 +90,7 @@ void instant_patches_setup(void) {
// fix 10 minute timeout that crashes MCP after 10 minutes of booting
*(volatile u32 *) mcp_text_phys(0x05022474) = 0xFFFFFFFF; // NEW_TIMEOUT
kernel_memset((void *) mcp_custom_bss_phys(0x050BD000), 0, 0x3000);
kernel_memset((void *) mcp_custom_bss_phys(0x050BD000), 0, MCP_CUSTOM_BSS_LENGTH);
// allow custom bootLogoTex and bootMovie.h264
*(volatile u32 *) acp_text_phys(0xE0030D68) = 0xE3A00000; // mov r0, #0
@ -101,9 +102,9 @@ void instant_patches_setup(void) {
*(volatile u32 *) nimboss_text_phys(0xe204fb68) = 0xe3a00000;
// allow any region title launch
*(volatile u32 *) acp_phys(0xE0030498) = 0xE3A00000; // mov r0, #0
*(volatile u32 *) acp_text_phys(0xE0030498) = 0xE3A00000; // mov r0, #0
// Patch CheckTitleLaunch to ignore gamepad connected result
*(volatile u32 *) acp_phys(0xE0030868) = 0xE3A00000; // mov r0, #0
*(volatile u32 *) acp_text_phys(0xE0030868) = 0xE3A00000; // mov r0, #0
*(volatile u32 *) mcp_text_phys(0x050254D6) = THUMB_BL(0x050254D6, MCP_LoadFile_patch);
*(volatile u32 *) mcp_text_phys(0x05025242) = THUMB_BL(0x05025242, MCP_ioctl100_patch);
@ -124,7 +125,7 @@ void instant_patches_setup(void) {
}
// force check USB storage on load
*(volatile u32 *) acp_phys(0xE012202C) = 0x00000001; // find USB flag
*(volatile u32 *) acp_text_phys(0xE012202C) = 0x00000001; // find USB flag
// Patch FS to syslog everything
*(volatile u32 *) fsa_phys(0x107F5720) = ARM_B(0x107F5720, 0x107F0C84);
@ -133,9 +134,9 @@ void instant_patches_setup(void) {
*(volatile u32 *) mcp_text_phys(0x05055438) = ARM_B(0x05055438, 0x0503dcf8);
ios_map_shared_info_t map_info;
map_info.paddr = mcp_custom_bss_phys(0x050BD000);
map_info.vaddr = 0x050BD000;
map_info.size = 0x3000;
map_info.paddr = mcp_custom_bss_phys(MCP_CUSTOM_BSS_START);
map_info.vaddr = MCP_CUSTOM_BSS_START;
map_info.size = MCP_CUSTOM_BSS_LENGTH;
map_info.domain = 1; // MCP
map_info.type = 3; // 0 = undefined, 1 = kernel only, 2 = read only, 3 = read/write
map_info.cached = 0xFFFFFFFF;