niklascfw/hekate
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

hos: simplify emummc patch

Browse Source
This commit is contained in:
CTCaer
2024-03-27 10:26:12 +02:00
parent dca350bfe9
commit 547cfca0c9
2 changed files with 22 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
bootloader/hos/pkg2.c
View File

@@ -442,6 +442,8 @@ static int _kipm_inject(const char *kipm_path, char *target_name, pkg2_kip1_info
const char *pkg2_patch_kips(link_t *info, char *patch_names)
{
bool emummc_patch_selected = false;
if (patch_names == NULL || patch_names[0] == 0)
return NULL;
@@ -500,7 +502,15 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
// Parse external patches if needed.
for (u32 i = 0; i < patches_num; i++)
{
if (strcmp(patches[i], "emummc") && strcmp(patches[i], "nogc"))
if (!strcmp(patches[i], "emummc"))
{
// emuMMC patch is managed on its own.
emummc_patch_selected = true;
patches_applied |= BIT(i);
continue;
}
if (strcmp(patches[i], "nogc"))
{
parse_external_kip_patches();
break;
@@ -513,6 +523,8 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
// Reset hash so it can be calculated for the new kip.
kip_hash[0] = 0;
bool emummc_patch_apply = emummc_patch_selected && !strcmp((char *)ki->kip1->name, "FS");
// Check all SHA256 ID sets. (IDs are grouped per KIP. IDs are still unique.)
for (u32 kip_id_idx = 0; kip_id_idx < _kip_id_sets_cnt; kip_id_idx++)
{
@@ -538,7 +550,7 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
}
// Don't bother hashing this KIP if no patches are enabled for it.
if (!patches_found)
if (!patches_found && !emummc_patch_apply)
continue;
// Check if current KIP not hashed and hash it.
@@ -562,9 +574,6 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
if (strcmp(patchset->name, patches[patch_idx]))
continue;
if (!strcmp(patchset->name, "emummc"))
sections_affected |= BIT(GET_KIP_PATCH_SECTION(patchset->patches->offset));
for (const kip1_patch_t *patch = patchset->patches; patch != NULL && (patch->length != 0); patch++)
sections_affected |= BIT(GET_KIP_PATCH_SECTION(patch->offset));
}
@@ -572,13 +581,16 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
patchset++;
}
// If emuMMC is enabled, set its affected section.
if (emummc_patch_apply)
sections_affected |= BIT(KIP_TEXT);
// Got patches to apply to this kip, have to decompress it.
if (_decompress_kip(ki, sections_affected))
return (char *)ki->kip1->name; // Failed to decompress.
// Apply all patches from matched ID.
// Apply all patches for matched ID.
patchset = _kip_id_sets[kip_id_idx].patchset;
bool emummc_patch_selected = false;
while (patchset != NULL && patchset->name != NULL)
{
for (u32 patch_idx = 0; patch_idx < patches_num; patch_idx++)
@@ -589,14 +601,6 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
u32 applied_mask = BIT(patch_idx);
if (!strcmp(patchset->name, "emummc"))
{
emummc_patch_selected = true;
patches_applied |= applied_mask;
continue; // Patching is done later.
}
// Check if patchset is empty.
if (patchset->patches == NULL)
{
@@ -652,7 +656,8 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
patchset++;
}
if (emummc_patch_selected && !strcmp((char *)_kip_id_sets[kip_id_idx].name, "FS"))
// emuMMC must be applied after all other patches, since it affects TEXT offset.
if (emummc_patch_apply)
{
// Encode ID.
emu_cfg.fs_ver = kip_id_idx;
@@ -668,6 +673,7 @@ const char *pkg2_patch_kips(link_t *info, char *patch_names)
// Skip checking again.
emummc_patch_selected = false;
emummc_patch_apply = false;
}
}
}