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pkg2: refactor bitflags and remove debugging code

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CTCaer 2022-01-20 13:32:48 +02:00
parent 3b2f438f69
commit 836530d4e3
1 changed files with 20 additions and 37 deletions
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57
bootloader/hos/pkg2.c
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@ -28,6 +28,9 @@
#include <libs/fatfs/ff.h>
#include "../storage/emummc.h"
//#define DPRINTF(...) gfx_printf(__VA_ARGS__)
#define DPRINTF(...)
extern hekate_config h_cfg;
extern const u8 package2_keyseed[];
@ -35,13 +38,6 @@ u32 pkg2_newkern_ini1_val;
u32 pkg2_newkern_ini1_start;
u32 pkg2_newkern_ini1_end;
#ifdef KIP1_PATCH_DEBUG
#define DPRINTF(...) gfx_printf(__VA_ARGS__)
#define DEBUG_PRINTING
#else
#define DPRINTF(...)
#endif
enum kip_offset_section
{
KIP_TEXT = 0,
@ -57,7 +53,7 @@ enum kip_offset_section
#define KIP_PATCH_OFFSET_MASK (~KIP_PATCH_SECTION_MASK)
#define GET_KIP_PATCH_SECTION(x) (((x) >> KIP_PATCH_SECTION_SHIFT) & 7)
#define GET_KIP_PATCH_OFFSET(x) ((x) & KIP_PATCH_OFFSET_MASK)
#define KPS(x) ((u32)(x) << KIP_PATCH_SECTION_SHIFT)
#define KPS(x) ((u32)(x) << KIP_PATCH_SECTION_SHIFT)
#include "pkg2_patches.inl"
@ -306,7 +302,7 @@ int pkg2_decompress_kip(pkg2_kip1_info_t* ki, u32 sectsToDecomp)
unsigned int newKipSize = sizeof(hdr);
for (u32 sectIdx = 0; sectIdx < KIP1_NUM_SECTIONS; sectIdx++)
{
u32 sectCompBit = 1u << sectIdx;
u32 sectCompBit = BIT(sectIdx);
// For compressed, cant get actual decompressed size without doing it, so use safe "output size".
if (sectIdx < 3 && (sectsToDecomp & sectCompBit) && (hdr.flags & sectCompBit))
newKipSize += hdr.sections[sectIdx].size_decomp;
@ -319,7 +315,7 @@ int pkg2_decompress_kip(pkg2_kip1_info_t* ki, u32 sectsToDecomp)
const unsigned char* srcDataPtr = ki->kip1->data;
for (u32 sectIdx = 0; sectIdx < KIP1_NUM_SECTIONS; sectIdx++)
{
u32 sectCompBit = 1u << sectIdx;
u32 sectCompBit = BIT(sectIdx);
// Easy copy path for uncompressed or ones we dont want to uncompress.
if (sectIdx >= 3 || !(sectsToDecomp & sectCompBit) || !(hdr.flags & sectCompBit))
{
@ -335,11 +331,11 @@ int pkg2_decompress_kip(pkg2_kip1_info_t* ki, u32 sectsToDecomp)
unsigned int compSize = hdr.sections[sectIdx].size_comp;
unsigned int outputSize = hdr.sections[sectIdx].size_decomp;
gfx_printf("Decomping %s KIP1 sect %d of size %d...\n", (const char*)hdr.name, sectIdx, compSize);
gfx_printf("Decomping '%s', sect %d, size %d..\n", (const char*)hdr.name, sectIdx, compSize);
if (blz_uncompress_srcdest(srcDataPtr, compSize, dstDataPtr, outputSize) == 0)
{
gfx_con.mute = false;
gfx_printf("%kERROR decomping sect %d of %s KIP!%k\n", 0xFFFF0000, sectIdx, (char*)hdr.name, 0xFFCCCCCC);
gfx_printf("%kERROR decomping sect %d of '%s'!%k\n", 0xFFFF0000, sectIdx, (char*)hdr.name, 0xFFCCCCCC);
free(newKip);
return 1;
@ -366,7 +362,7 @@ int pkg2_decompress_kip(pkg2_kip1_info_t* ki, u32 sectsToDecomp)
static int _kipm_inject(const char *kipm_path, char *target_name, pkg2_kip1_info_t* ki)
{
if (!strcmp((const char *)ki->kip1->name, target_name))
if (!strncmp((const char *)ki->kip1->name, target_name, sizeof(ki->kip1->name)))
{
u32 size = 0;
u8 *kipm_data = (u8 *)sd_file_read(kipm_path, &size);
@ -491,7 +487,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
}
}
u32 shaBuf[32 / sizeof(u32)];
u32 shaBuf[SE_SHA_256_SIZE / sizeof(u32)];
LIST_FOREACH_ENTRY(pkg2_kip1_info_t, ki, info, link)
{
shaBuf[0] = 0; // sha256 for this kip not yet calculated.
@ -542,30 +538,19 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
continue;
if (!strcmp(currPatchset->name, "emummc"))
bitsAffected |= 1u << GET_KIP_PATCH_SECTION(currPatchset->patches->offset);
bitsAffected |= BIT(GET_KIP_PATCH_SECTION(currPatchset->patches->offset));
for (const kip1_patch_t* currPatch=currPatchset->patches; currPatch != NULL && (currPatch->length != 0); currPatch++)
bitsAffected |= 1u << GET_KIP_PATCH_SECTION(currPatch->offset);
bitsAffected |= BIT(GET_KIP_PATCH_SECTION(currPatch->offset));
}
}
currPatchset++;
}
// Got patches to apply to this kip, have to decompress it.
#ifdef DEBUG_PRINTING
u32 preDecompTime = get_tmr_us();
#endif
if (pkg2_decompress_kip(ki, bitsAffected))
return (const char*)ki->kip1->name; // Failed to decompress.
#ifdef DEBUG_PRINTING
u32 postDecompTime = get_tmr_us();
if (!se_calc_sha256_oneshot(shaBuf, ki->kip1, ki->size))
memset(shaBuf, 0, sizeof(shaBuf));
DPRINTF("%dms %s KIP1 size %d hash %08X\n", (postDecompTime-preDecompTime) / 1000, ki->kip1->name, (int)ki->size, __builtin_bswap32(shaBuf[0]));
#endif
currPatchset = _kip_id_sets[currKipIdx].patchset;
bool emummc_patch_selected = false;
while (currPatchset != NULL && currPatchset->name != NULL)
@ -575,7 +560,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
if (strcmp(currPatchset->name, patches[currEnabIdx]))
continue;
u32 appliedMask = 1u << currEnabIdx;
u32 appliedMask = BIT(currEnabIdx);
if (!strcmp(currPatchset->name, "emummc"))
{
@ -587,7 +572,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
if (currPatchset->patches == NULL)
{
DPRINTF("Patch '%s' not necessary for %s KIP1\n", currPatchset->name, (const char*)ki->kip1->name);
DPRINTF("Patch '%s' not necessary for %s\n", currPatchset->name, (const char*)ki->kip1->name);
patchesApplied |= appliedMask;
continue; // Continue in case it's double defined.
@ -596,10 +581,10 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
unsigned char* kipSectData = ki->kip1->data;
for (u32 currSectIdx = 0; currSectIdx < KIP1_NUM_SECTIONS; currSectIdx++)
{
if (bitsAffected & (1u << currSectIdx))
if (bitsAffected & BIT(currSectIdx))
{
gfx_printf("Applying patch '%s' on %s KIP1 sect %d\n", currPatchset->name, (const char*)ki->kip1->name, currSectIdx);
for (const kip1_patch_t* currPatch = currPatchset->patches; currPatch != NULL && currPatch->srcData != 0; currPatch++)
gfx_printf("Applying '%s' on %s, sect %d\n", currPatchset->name, (const char*)ki->kip1->name, currSectIdx);
for (const kip1_patch_t* currPatch = currPatchset->patches; currPatch != NULL && currPatch->srcData != NULL; currPatch++)
{
if (GET_KIP_PATCH_SECTION(currPatch->offset) != currSectIdx)
continue;
@ -607,7 +592,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
if (!currPatch->length)
{
gfx_con.mute = false;
gfx_printf("%kPatch is empty!%k\n", 0xFFFF0000, 0xFFCCCCCC);
gfx_printf("%kPatch empty!%k\n", 0xFFFF0000, 0xFFCCCCCC);
return currPatchset->name; // MUST stop here as it's not probably intended.
}
@ -617,7 +602,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
(memcmp(&kipSectData[currOffset], currPatch->dstData, currPatch->length) != 0))
{
gfx_con.mute = false;
gfx_printf("%kPatch data mismatch at 0x%x!%k\n", 0xFFFF0000, currOffset, 0xFFCCCCCC);
gfx_printf("%kPatch mismatch at 0x%x!%k\n", 0xFFFF0000, currOffset, 0xFFCCCCCC);
return currPatchset->name; // MUST stop here as kip is likely corrupt.
}
else
@ -654,7 +639,7 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames)
for (u32 i = 0; i < numPatches; i++)
{
if ((patchesApplied & (1u << i)) == 0)
if ((patchesApplied & BIT(i)) == 0)
return patches[i];
}
@ -698,7 +683,6 @@ pkg2_hdr_t *pkg2_decrypt(void *data, u8 kb, bool is_exo)
// Decrypt header.
se_aes_crypt_ctr(pkg2_keyslot, hdr, sizeof(pkg2_hdr_t), hdr, sizeof(pkg2_hdr_t), hdr);
//gfx_hexdump((u32)hdr, hdr, 0x100);
if (hdr->magic != PKG2_MAGIC)
return NULL;
@ -711,7 +695,6 @@ DPRINTF("sec %d has size %08X\n", i, hdr->sec_size[i]);
continue;
se_aes_crypt_ctr(pkg2_keyslot, pdata, hdr->sec_size[i], pdata, hdr->sec_size[i], &hdr->sec_ctr[i * SE_AES_IV_SIZE]);
//gfx_hexdump((u32)pdata, pdata, 0x100);
pdata += hdr->sec_size[i];
}