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hos: correct meso version masking

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And also use the version instead to decide for relative INI1 base setting.
That's because MSS0 and MSS1 come with prepopulated INI1 base.
This commit is contained in:
CTCaer 2023-10-12 09:25:06 +03:00
parent d3d3768c8f
commit 7fab13b76d
1 changed files with 3 additions and 3 deletions
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6
bootloader/hos/pkg2.c
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@ -771,13 +771,13 @@ DPRINTF("adding kip1 '%s' @ %08X (%08X)\n", ki->kip1->name, (u32)ki->kip1, ki->s
void pkg2_build_encrypt(void *dst, void *hos_ctxt, link_t *kips_info, bool is_exo)
{
launch_ctxt_t * ctxt = (launch_ctxt_t *)hos_ctxt;
u32 meso_magic = *(u32 *)(ctxt->kernel + 4) & 0xFFFFFF;
u32 meso_magic = *(u32 *)(ctxt->kernel + 4);
u32 kernel_size = ctxt->kernel_size;
u8 kb = ctxt->pkg1_id->kb;
u8 *pdst = (u8 *)dst;
// Force new Package2 if Mesosphere.
bool is_meso = meso_magic == ATM_MESOSPHERE;
bool is_meso = (meso_magic & 0xF0FFFFFF) == ATM_MESOSPHERE;
if (is_meso)
ctxt->new_pkg2 = true;
@ -822,7 +822,7 @@ DPRINTF("%s @ %08X (%08X)\n", is_meso ? "Mesosphere": "kernel",(u32)ctxt->kernel
// Set new INI1 offset to kernel.
u32 meso_meta_offset = *(u32 *)(pdst + 8);
if (is_meso && meso_meta_offset)
if (is_meso && (meso_magic & 0xF000000)) // MSS1.
*(u32 *)(pdst + meso_meta_offset) = kernel_size - meso_meta_offset;
else if (ini1_size)
*(u32 *)(pdst + (is_meso ? 8 : pkg2_newkern_ini1_info)) = kernel_size;