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Merge pull request #242 from yifanlu/oled-usb-mass-support

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Added USB mass storage support to handheld units with modded USB support
This commit is contained in:
TheOfficialFloW 2017-06-17 09:58:38 +02:00 committed by GitHub
commit 6fd679c701
2 changed files with 15 additions and 4 deletions
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19
modules/kernel/main.c
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@ -65,10 +65,16 @@ static SceUID hookid = -1;
static tai_hook_ref_t ksceSysrootIsSafeModeRef;
static tai_hook_ref_t ksceSblAimgrIsDolceRef;
static int ksceSysrootIsSafeModePatched() {
return 1;
}
static int ksceSblAimgrIsDolcePatched() {
return 1;
}
int shellKernelIsUx0Redirected() {
uint32_t state;
ENTER_SYSCALL(state);
@ -134,6 +140,7 @@ int shellKernelUnredirectUx0() {
void _start() __attribute__ ((weak, alias("module_start")));
int module_start(SceSize args, void *argp) {
SceUID tmp1, tmp2;
// Get tai module info
tai_module_info_t info;
info.size = sizeof(tai_module_info_t);
@ -144,16 +151,20 @@ int module_start(SceSize args, void *argp) {
module_get_offset(KERNEL_PID, info.modid, 0, 0x138C1, (uintptr_t *)&sceIoFindMountPoint);
// Fake safe mode so that SceUsbMass can be loaded
hookid = taiHookFunctionExportForKernel(KERNEL_PID, &ksceSysrootIsSafeModeRef, "SceSysmem", 0x2ED7F97A, 0x834439A7, ksceSysrootIsSafeModePatched);
if (hookid < 0)
tmp1 = taiHookFunctionExportForKernel(KERNEL_PID, &ksceSysrootIsSafeModeRef, "SceSysmem", 0x2ED7F97A, 0x834439A7, ksceSysrootIsSafeModePatched);
if (tmp1 < 0)
return SCE_KERNEL_START_SUCCESS;
// this patch is only needed on handheld units
tmp2 = taiHookFunctionExportForKernel(KERNEL_PID, &ksceSblAimgrIsDolceRef, "SceSysmem", 0xFD00C69A, 0x71608CA3, ksceSblAimgrIsDolcePatched);
if (tmp2 < 0)
return SCE_KERNEL_START_SUCCESS;
// Load SceUsbMass
SceUID modid = ksceKernelLoadStartModule("ux0:VitaShell/module/umass.skprx", 0, NULL, 0, NULL, NULL);
// Release patch
taiHookReleaseForKernel(hookid, ksceSysrootIsSafeModeRef);
hookid = -1;
taiHookReleaseForKernel(tmp1, ksceSysrootIsSafeModeRef);
taiHookReleaseForKernel(tmp2, ksceSblAimgrIsDolceRef);
// Check result
if (modid < 0)

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resources/kernel.skprx
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