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emummc: cleanup pr per review

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Michael Scire 2020-06-13 00:08:32 -07:00 • committed by SciresM
parent b966345b25
commit d9c9083574
2 changed files with 29 additions and 29 deletions
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17
emummc/source/main.c
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@ -33,22 +33,22 @@
void __init();
void __initheap(void);
void setup_hooks(void);
void setup_nintendo_paths(void);
void __libc_init_array(void);
void setup_nintendo_paths(void);
void hook_function(uintptr_t source, uintptr_t target);
void *__stack_top;
uintptr_t text_base;
size_t fs_code_size;
u8 *fs_rw_mapping = NULL;
Handle self_proc_handle = 0;
char inner_heap[INNER_HEAP_SIZE];
size_t inner_heap_size = INNER_HEAP_SIZE;
Handle self_proc_handle = 0;
u8 *fs_rw_mapping = NULL;
extern char _start;
extern char __argdata__;
// Nintendo Path
// TODO
static char nintendo_path[0x80] = "Nintendo";
// 1.0.0 requires special path handling because it has separate album and contents paths.
@ -63,6 +63,7 @@ static const fs_offsets_t *fs_offsets;
// Defined by linkerscript
#define INJECTED_SIZE ((uintptr_t)&__argdata__ - (uintptr_t)&_start)
#define INJECT_OFFSET(type, offset) (type)(text_base + INJECTED_SIZE + offset)
#define FS_CODE_BASE INJECT_OFFSET(uintptr_t, 0)
#define GENERATE_ADD(register, register_target, value) (0x91000000 | value << 10 | register << 5 | register_target)
#define GENERATE_ADRP(register, page_addr) (0x90000000 | ((((page_addr) >> 12) & 0x3) << 29) | ((((page_addr) >> 12) & 0x1FFFFC) << 3) | ((register) & 0x1F))
@ -230,7 +231,7 @@ static void _map_fs_rw(void) {
do {
fs_rw_mapping = (u8 *)(smcGenerateRandomU64() & 0xFFFFFF000ull);
rc = svcMapProcessMemory(fs_rw_mapping, self_proc_handle, INJECT_OFFSET(u64, 0), fs_code_size);
rc = svcMapProcessMemory(fs_rw_mapping, self_proc_handle, FS_CODE_BASE, fs_code_size);
} while (rc == 0xDC01 || rc == 0xD401);
if (rc != 0)
@ -240,7 +241,7 @@ static void _map_fs_rw(void) {
}
static void _unmap_fs_rw(void) {
Result rc = svcUnmapProcessMemory(fs_rw_mapping, self_proc_handle, INJECT_OFFSET(u64, 0), fs_code_size);
Result rc = svcUnmapProcessMemory(fs_rw_mapping, self_proc_handle, FS_CODE_BASE, fs_code_size);
if (rc != 0)
{
fatal_abort(Fatal_BadResult);
@ -250,7 +251,7 @@ static void _unmap_fs_rw(void) {
}
static void _write32(uintptr_t source, u32 value) {
*((u32 *)(fs_rw_mapping + (source - INJECT_OFFSET(u64, 0)))) = value;
*((u32 *)(fs_rw_mapping + (source - FS_CODE_BASE))) = value;
}
void hook_function(uintptr_t source, uintptr_t target)
@ -412,7 +413,7 @@ void __init()
text_base = meminfo.addr;
// Get code size
svcQueryMemory(&meminfo, &pageinfo, INJECT_OFFSET(u64, 0));
svcQueryMemory(&meminfo, &pageinfo, FS_CODE_BASE);
fs_code_size = meminfo.size;
load_emummc_ctx();