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hos: pkg2: rename ini1 value offset

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And simplify the logic a bit.
This commit is contained in:
CTCaer
2023-10-12 07:26:55 +03:00
parent d1be18821d
commit c828539544
5 changed files with 45 additions and 66 deletions
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49
nyx/nyx_gui/hos/pkg2.c
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@@ -29,7 +29,6 @@
extern hekate_config h_cfg;
extern const u8 package2_keyseed[];
u32 pkg2_newkern_ini1_val;
u32 pkg2_newkern_ini1_start;
u32 pkg2_newkern_ini1_end;
@@ -47,8 +46,8 @@ u32 pkg2_calc_kip1_size(pkg2_kip1_t *kip1)
void pkg2_get_newkern_info(u8 *kern_data)
{
u32 pkg2_newkern_ini1_off = 0;
pkg2_newkern_ini1_start = 0;
u32 pkg2_newkern_ini1_info = 0;
pkg2_newkern_ini1_start = 0;
// Find static OP offset that is close to INI1 offset.
u32 counter_ops = 0x100;
@@ -56,7 +55,7 @@ void pkg2_get_newkern_info(u8 *kern_data)
{
if (*(u32 *)(kern_data + 0x100 - counter_ops) == PKG2_NEWKERN_GET_INI1_HEURISTIC)
{
pkg2_newkern_ini1_off = 0x100 - counter_ops + 12; // OP found. Add 12 for the INI1 offset.
pkg2_newkern_ini1_info = 0x100 - counter_ops + 12; // OP found. Add 12 for the INI1 offset.
break;
}
@@ -67,45 +66,11 @@ void pkg2_get_newkern_info(u8 *kern_data)
if (!counter_ops)
return;
u32 info_op = *(u32 *)(kern_data + pkg2_newkern_ini1_off);
pkg2_newkern_ini1_val = ((info_op & 0xFFFF) >> 3) + pkg2_newkern_ini1_off; // Parse ADR and PC.
u32 info_op = *(u32 *)(kern_data + pkg2_newkern_ini1_info);
pkg2_newkern_ini1_info += ((info_op & 0xFFFF) >> 3); // 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);
}
bool 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])
{
pkg2_get_newkern_info(pkg2->data);
if (!pkg2_newkern_ini1_start)
return false;
ptr = pkg2->data + pkg2_newkern_ini1_start;
*new_pkg2 = true;
}
else
ptr = pkg2->data + pkg2->sec_size[PKG2_SEC_KERNEL];
pkg2_ini1_t *ini1 = (pkg2_ini1_t *)ptr;
ptr += sizeof(pkg2_ini1_t);
for (u32 i = 0; i < ini1->num_procs; i++)
{
pkg2_kip1_t *kip1 = (pkg2_kip1_t *)ptr;
pkg2_kip1_info_t *ki = (pkg2_kip1_info_t *)malloc(sizeof(pkg2_kip1_info_t));
ki->kip1 = kip1;
ki->size = pkg2_calc_kip1_size(kip1);
list_append(info, &ki->link);
ptr += ki->size;
DPRINTF(" kip1 %d:%s @ %08X (%08X)\n", i, kip1->name, (u32)kip1, ki->size);
}
return true;
pkg2_newkern_ini1_start = *(u32 *)(kern_data + pkg2_newkern_ini1_info);
pkg2_newkern_ini1_end = *(u32 *)(kern_data + pkg2_newkern_ini1_info + 0x8);
}
//!TODO: Update on mkey changes.