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hos: automatically find new kernel ini1 offset

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This commit is contained in:
CTCaer
2019-09-12 23:37:00 +03:00
parent 3b16b086f8
commit 658c3c112f
7 changed files with 46 additions and 16 deletions
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16
bootloader/hos/pkg2.c
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@@ -617,14 +617,24 @@ static u32 _pkg2_calc_kip1_size(pkg2_kip1_t *kip1)
return size;
}
void pkg2_get_newkern_info(u8 *kern_data)
{
u32 info_op = *(u32 *)(kern_data + PKG2_NEWKERN_GET_INI1);
pkg2_newkern_ini1_val = ((info_op & 0xFFFF) >> 3) + PKG2_NEWKERN_GET_INI1; // Parse ADR and PC.
pkg2_newkern_ini1_start = *(u32 *)(kern_data + pkg2_newkern_ini1_val);
pkg2_newkern_ini1_end = *(u32 *)(kern_data + pkg2_newkern_ini1_val + 0x8);
}
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2)
{
u8 *ptr;
// Check for new pkg2 type.
if (!pkg2->sec_size[PKG2_SEC_INI1])
{
u32 kernel_ini1_off = *(u32 *)(pkg2->data + PKG2_NEWKERN_INI1_START);
ptr = pkg2->data + kernel_ini1_off;
pkg2_get_newkern_info(pkg2->data);
ptr = pkg2->data + pkg2_newkern_ini1_start;
*new_pkg2 = true;
}
else
@@ -1121,7 +1131,7 @@ DPRINTF("kernel @ %08X (%08X)\n", (u32)kernel, kernel_size);
else
{
// Set new INI1 offset to kernel.
*(u32 *)(pdst + PKG2_NEWKERN_INI1_START) = kernel_size;
*(u32 *)(pdst + pkg2_newkern_ini1_val) = kernel_size;
kernel_size += _pkg2_ini1_build(pdst + kernel_size, hdr, kips_info, new_pkg2);
hdr->sec_off[PKG2_SEC_KERNEL] = 0x60000;
}