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hos: Tiny refactoring

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This commit is contained in:
CTCaer 2020-10-17 23:16:16 +03:00
parent 9da0e0358b
commit d825be5eb2
6 changed files with 23 additions and 20 deletions
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2
bootloader/hos/fss.c
View file

@ -165,7 +165,7 @@ int parse_fss(launch_ctxt_t *ctxt, const char *path, fss0_sept_t *sept_ctxt)
continue;
// If content is experimental and experimental flag is not enabled, skip it.
if ((curr_fss_cnt[i].flags0 & CNT_FLAG0_EXPERIMENTAL) && !ctxt->fss0_enable_experimental)
if ((curr_fss_cnt[i].flags0 & CNT_FLAG0_EXPERIMENTAL) && !ctxt->fss0_experimental)
continue;
// Parse content.

10
bootloader/hos/hos.c
View file

@ -854,13 +854,11 @@ int hos_launch(ini_sec_t *cfg)
if (!pkg2_hdr)
{
_hos_crit_error("Pkg2 decryption failed!");
if (kb >= KB_FIRMWARE_VERSION_700)
{
EPRINTF("Is Sept updated?");
EPRINTFARGS("Is hekate%s updated?", kb >= KB_FIRMWARE_VERSION_700 ? " or Sept" : "");
// Clear EKS slot, in case something went wrong with sept keygen.
// Clear EKS slot, in case something went wrong with sept keygen.
if (kb >= KB_FIRMWARE_VERSION_700)
hos_eks_clear(kb);
}
goto error;
}
else if (kb >= KB_FIRMWARE_VERSION_700)
@ -964,7 +962,7 @@ int hos_launch(ini_sec_t *cfg)
}
// Rebuild and encrypt package2.
pkg2_build_encrypt((void *)PKG2_LOAD_ADDR, ctxt.kernel, ctxt.kernel_size, &kip1_info, ctxt.new_pkg2, kb);
pkg2_build_encrypt((void *)PKG2_LOAD_ADDR, &ctxt, &kip1_info);
gfx_puts("Rebuilt & loaded pkg2\n");

3
bootloader/hos/hos.h
View file

@ -97,6 +97,7 @@ typedef struct _launch_ctxt_t
void *kernel;
u32 kernel_size;
link_t kip1_list;
char* kip1_patches;
@ -105,7 +106,7 @@ typedef struct _launch_ctxt_t
bool debugmode;
bool stock;
bool atmosphere;
bool fss0_enable_experimental;
bool fss0_experimental;
bool emummc_forced;
exo_ctxt_t exo_ctx;

2
bootloader/hos/hos_config.c
View file

@ -253,7 +253,7 @@ static int _config_fss(launch_ctxt_t *ctxt, const char *value)
{
if (!strcmp("fss0experimental", kv->key))
{
ctxt->fss0_enable_experimental = *kv->val == '1';
ctxt->fss0_experimental = *kv->val == '1';
break;
}
}

24
bootloader/hos/pkg2.c
View file

@ -1410,9 +1410,11 @@ DPRINTF("adding kip1 '%s' @ %08X (%08X)\n", ki->kip1->name, (u32)ki->kip1, ki->s
return ini1_size;
}
void pkg2_build_encrypt(void *dst, void *kernel, u32 kernel_size, link_t *kips_info, bool new_pkg2, u8 kb)
void pkg2_build_encrypt(void *dst, void *hos_ctxt, link_t *kips_info)
{
u8 *pdst = (u8 *)dst;
launch_ctxt_t * ctxt = (launch_ctxt_t *)hos_ctxt;
u32 kernel_size = ctxt->kernel_size;
// Signature.
memset(pdst, 0, 0x100);
@ -1427,23 +1429,25 @@ void pkg2_build_encrypt(void *dst, void *kernel, u32 kernel_size, link_t *kips_i
hdr->bl_ver = 0;
hdr->pkg2_ver = 0xFF;
if (!new_pkg2)
if (!ctxt->new_pkg2)
hdr->base = 0x10000000;
else
hdr->base = 0x60000;
DPRINTF("kernel @ %08X (%08X)\n", (u32)kernel, kernel_size);
DPRINTF("kernel @ %08X (%08X)\n", (u32)ctxt->kernel, kernel_size);
pdst += sizeof(pkg2_hdr_t);
// Kernel.
memcpy(pdst, kernel, kernel_size);
if (!new_pkg2)
memcpy(pdst, ctxt->kernel, kernel_size);
if (!ctxt->new_pkg2)
hdr->sec_off[PKG2_SEC_KERNEL] = 0x10000000;
else
{
// Set new INI1 offset to kernel.
*(u32 *)(pdst + pkg2_newkern_ini1_val) = kernel_size;
kernel_size += _pkg2_ini1_build(pdst + kernel_size, hdr, kips_info, new_pkg2);
// Build INI1 for new Package2.
kernel_size += _pkg2_ini1_build(pdst + kernel_size, hdr, kips_info, ctxt->new_pkg2);
hdr->sec_off[PKG2_SEC_KERNEL] = 0x60000;
}
hdr->sec_size[PKG2_SEC_KERNEL] = kernel_size;
@ -1451,10 +1455,10 @@ DPRINTF("kernel @ %08X (%08X)\n", (u32)kernel, kernel_size);
pdst += kernel_size;
DPRINTF("kernel encrypted\n");
// INI1.
/// Build INI1 for old Package2.
u32 ini1_size = 0;
if (!new_pkg2)
ini1_size = _pkg2_ini1_build(pdst, hdr, kips_info, new_pkg2);
if (!ctxt->new_pkg2)
ini1_size = _pkg2_ini1_build(pdst, hdr, kips_info, false);
DPRINTF("INI1 encrypted\n");
// Calculate SHA256 over encrypted Kernel and INI1.
@ -1466,7 +1470,7 @@ DPRINTF("INI1 encrypted\n");
(void *)pk2_hash_data, hdr->sec_size[PKG2_SEC_INI1]);
//Encrypt header.
u8 key_ver = kb ? kb + 1 : 0;
u8 key_ver = ctxt->pkg1_id->kb ? ctxt->pkg1_id->kb + 1 : 0;
*(u32 *)hdr->ctr = 0x100 + sizeof(pkg2_hdr_t) + kernel_size + ini1_size;
hdr->ctr[4] = key_ver;
se_aes_crypt_ctr(pkg2_keyslot, hdr, sizeof(pkg2_hdr_t), hdr, sizeof(pkg2_hdr_t), hdr);

2
bootloader/hos/pkg2.h
View file

@ -155,6 +155,6 @@ const char* pkg2_patch_kips(link_t *info, char* patchNames);
const pkg2_kernel_id_t *pkg2_identify(u8 *hash);
pkg2_hdr_t *pkg2_decrypt(void *data, u8 kb);
void pkg2_build_encrypt(void *dst, void *kernel, u32 kernel_size, link_t *kips_info, bool new_pkg2, u8 kb);
void pkg2_build_encrypt(void *dst, void *hos_ctxt, link_t *kips_info);
#endif