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Add SVC generic patches

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First patch allows same process on svcControlCodeMemory
This commit is contained in:
Kostas Missos 2019-02-12 00:36:24 +02:00
parent 4ae42c3a9d
commit 5cd596e53c
3 changed files with 8 additions and 2 deletions
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2
bootloader/hos/hos.c
View file

@ -487,6 +487,8 @@ int hos_launch(ini_sec_t *cfg)
for (u32 j = 0; j < kernel_patchset[i].val; j++)
*(vu32 *)(ctxt.kernel + kernel_patchset[i].off + (j << 2)) = temp[j];
}
else if (kernel_patchset[i].id < SVC_VERIFY_DS)
*(vu32 *)(ctxt.kernel + kernel_patchset[i].off) = kernel_patchset[i].val;
}
}
}

2
bootloader/hos/pkg2.c
View file

@ -219,6 +219,7 @@ KERNEL_PATCHSET_DEF(_kernel_4_patchset,
);
KERNEL_PATCHSET_DEF(_kernel_5_patchset,
{ SVC_GENERIC, 0x38C2C, _NOP(), NULL }, // Allow same process on svcControlCodeMemory.
{ SVC_VERIFY_DS, 0x45E6C, _NOP(), NULL }, // Disable SVC verifications
{ DEBUG_MODE_EN, 0x5513C, _MOVZX(8, 1, 0), NULL }, // Enable Debug Patch
// Atmosphère kernel patches.
@ -233,6 +234,7 @@ KERNEL_PATCHSET_DEF(_kernel_5_patchset,
);
KERNEL_PATCHSET_DEF(_kernel_6_patchset,
{ SVC_GENERIC, 0x3A8CC, _NOP(), NULL }, // Allow same process on svcControlCodeMemory.
{ SVC_VERIFY_DS, 0x47EA0, _NOP(), NULL }, // Disable SVC verifications
{ DEBUG_MODE_EN, 0x57548, _MOVZX(8, 1, 0), NULL }, // Enable Debug Patch
// Atmosphère kernel patches.

6
bootloader/hos/pkg2.h
View file

@ -44,8 +44,10 @@ typedef struct _kernel_patch_t
enum
{
// Generic instruction patches
SVC_VERIFY_DS = 0x10, // 0x0-0xF are RESERVED.
// Always applied.
SVC_GENERIC = 0,
// Generic instruction patches.
SVC_VERIFY_DS = 0x10,
DEBUG_MODE_EN,
ATM_GEN_PATCH,
// >4 bytes patches. Value is a pointer of a u32 array.