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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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14
nyx/nyx_gui/hos/pkg2.c
View File

@@ -41,14 +41,24 @@ 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

10
nyx/nyx_gui/hos/pkg2.h
View File

@@ -27,9 +27,12 @@
#define PKG2_SEC_INI1 1
#define INI1_MAGIC 0x31494E49
#define PKG2_NEWKERN_INI1_START 0x168
#define PKG2_NEWKERN_INI1_END 0x170
#define PKG2_NEWKERN_START 0x800
#define PKG2_NEWKERN_GET_INI1 0x44
#define PKG2_NEWKERN_START 0x800
u32 pkg2_newkern_ini1_val;
u32 pkg2_newkern_ini1_start;
u32 pkg2_newkern_ini1_end;
typedef struct _pkg2_hdr_t
{
@@ -86,6 +89,7 @@ typedef struct _pkg2_kip1_info_t
link_t link;
} pkg2_kip1_info_t;
void pkg2_get_newkern_info(u8 *kern_data);
u32 pkg2_calc_kip1_size(pkg2_kip1_t *kip1);
void pkg2_parse_kips(link_t *info, pkg2_hdr_t *pkg2, bool *new_pkg2);