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[PKG2] Switch kernel patching to crc32c based kernel id

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This provides support for the 3.0.2 kernel, where pkg1 has the same id with 3.0.1.

Thanks @roblabla for noticing and providing the Debug mode kernel patch.
This commit is contained in:
Kostas Missos
2018-06-05 02:04:08 +03:00
parent fb9e91ed0c
commit b299cb40c7
7 changed files with 116 additions and 57 deletions
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52
ipl/pkg2.c
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@@ -25,6 +25,58 @@ extern gfx_con_t gfx_con;
#define DPRINTF(...) gfx_printf(&gfx_con, __VA_ARGS__)*/
#define DPRINTF(...)
#define _MOVZX(r, i, s) 0xD2800000 | (((s) & 0x30) << 17) | (((i) & 0xFFFF) << 5) | ((r) & 0x1F)
#define _NOP() 0xD503201F
// Include kernel patches here, so we can utilize pkg1 id
PATCHSET_DEF(_kernel_1_patchset,
{ 0x3764C, _NOP() }, // Disable SVC verifications
{ 0x44074, _MOVZX(8, 1, 0) } // Enable Debug Patch
);
PATCHSET_DEF(_kernel_2_patchset,
{ 0x54834, _NOP() }, // Disable SVC verifications
{ 0x6086C, _MOVZX(8, 1, 0) } // Enable Debug Patch
);
PATCHSET_DEF(_kernel_3_patchset,
{ 0x3BD24, _NOP() }, // Disable SVC verifications
{ 0x483FC, _MOVZX(8, 1, 0) } // Enable Debug Patch
);
PATCHSET_DEF(_kernel_302_patchset,
{ 0x3BD24, _NOP() }, // Disable SVC verifications
{ 0x48414, _MOVZX(8, 1, 0) } // Enable Debug Patch
);
PATCHSET_DEF(_kernel_4_patchset,
{ 0x41EB4, _NOP() }, // Disable SVC verifications
{ 0x4EBFC, _MOVZX(8, 1, 0) } // Enable Debug Patch
);
PATCHSET_DEF(_kernel_5_patchset,
{ 0x45E6C, _NOP() }, // Disable SVC verifications
{ 0x5513C, _MOVZX(8, 1, 0) } // Enable Debug Patch
);
static const pkg2_kernel_id_t _pkg2_kernel_ids[] = {
{ 0x427f2647, _kernel_1_patchset }, //1.0.0
{ 0xae19cf1b, _kernel_2_patchset }, //2.0.0 - 2.3.0
{ 0x73c9e274, _kernel_3_patchset }, //3.0.0 - 3.0.1
{ 0xe0e8cdc4, _kernel_302_patchset }, //3.0.2
{ 0x485d0157, _kernel_4_patchset }, //4.0.0 - 4.1.0
{ 0xf3c363f2, _kernel_5_patchset }, //5.0.0 - 5.1.0
{ 0, 0 } //End.
};
const pkg2_kernel_id_t *pkg2_identify(u32 id)
{
for (u32 i = 0; _pkg2_kernel_ids[i].crc32c_id; i++)
if (id == _pkg2_kernel_ids[i].crc32c_id)
return &_pkg2_kernel_ids[i];
return NULL;
}
static u32 _pkg2_calc_kip1_size(pkg2_kip1_t *kip1)
{
u32 size = sizeof(pkg2_kip1_t);