SKBL: Difference between revisions
(Created page with "= Common = These functions are different offsets than SceTzs modules. The `Secure kernel boot loader` function. == SceSysmem == === sceGUIDReferObjectWithClass === {| cla...") |
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= Changelog = | |||
{| class="wikitable" | |||
|- | |||
! FW version !! What changed compared to previous FW version | |||
|- | |||
| 0.940 || Changed SKBL base physical address to 0x40040000 from 0x50000000. NSKBL is now stored in [[Kernel_Boot_Loader|<code>kernel_boot_loader.self</code>]] segment 3 instead of SKBL <code>.text</code>, and loaded (ARZL-compressed) at <code>0x50000000</code>. | |||
Changed the early boot stack base addresses from <code>0x500Ex000</code> to <code>0x400ExC00</code>. Undef/Abort/IRQ/FIQ stack are no longer separated. | |||
Resuming on Kermit ES1 is no longer supported (<code>sceKernelAssert(0)</code>). | |||
|- | |||
| 0.995 || Unknown. | |||
|- | |||
| 0.996 || Changed SKBL base physical address to 0x40020000 from 0x40040000. | |||
|- | |||
| 3.36 || Unknown | |||
|- | |||
| 3.50 || Initial stack base changed (+ 0x100). | |||
Something in the function has changed (see function at: 3.50:0x40020438). | |||
Removed some register writing (see function at: 3.36:0x4002066c/3.50:0x40020668). | |||
|} | |||
= Common = | = Common = | ||
These functions are different offsets than SceTzs modules. | These functions are at different offsets than those of SceTzs modules. | ||
Offsets are relative to SKBL text segment base address. See [[Physical_Memory#Secure_DRAM|Secure DRAM]]. | |||
== SceKernelModulemgr == | |||
=== sceKernelLoadStartModule === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x20B0 || thumb | |||
|} | |||
<source lang="C"> | |||
typedef struct SceTzsModule { | |||
const void *pModule; | |||
const void *pModuleEnd; | |||
} SceTzsModule; | |||
int sceKernelLoadStartModule(SceTzsModule *pModule, void *argp); | |||
</source> | |||
=== get_module_object === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x2350 || thumb | |||
|} | |||
<source lang="C">SceModuleObject *get_module_object(SceUID modid);</source> | |||
=== sceKernelLoadModuleWithBuffer === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x2494 || thumb | |||
|} | |||
<source lang="C">SceUID sceKernelLoadModuleWithBuffer(const void *pModule, SceSize size);</source> | |||
=== sceKernelStartModuleForPid === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x25BC || thumb | |||
|} | |||
<source lang="C">int sceKernelStartModuleForPid(SceUID pid, SceUID modid, SceSize args, void *argp, int flags, SceKernelLMOption *option, int *status);</source> | |||
=== sceKernelStartModule === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x2710 || thumb | |||
|} | |||
<source lang="C">int sceKernelStartModule(SceUID modid, SceSize args, void *argp, int flags, SceKernelLMOption *option, int *status);</source> | |||
=== get_module_bootstart === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x2744 || thumb | |||
|} | |||
<source lang="C">int get_module_bootstart(SceUID modid, void *entry);</source> | |||
=== print_module_load_info === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x2A70 || thumb | |||
|} | |||
=== resolve_import_function === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x4748 || thumb | |||
|} | |||
== SceExcpmgr == | |||
=== excp_handler === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x4A3C || thumb | |||
|} | |||
=== sceExcpmgrRegisterHandler === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x4A70 || thumb | |||
|} | |||
=== SceExcpmgr_module_start === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x4CB4 || thumb | |||
|} | |||
== SceSysmem == | == SceSysmem == | ||
=== SceSysmem_NS_0x8100156C === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x6EC0 || thumb | |||
|} | |||
=== sceGUIDReferObjectWithClass === | === sceGUIDReferObjectWithClass === | ||
Line 13: | Line 166: | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x9DF8 || thumb | ||
|} | |} | ||
Line 24: | Line 177: | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x9E60 || thumb | ||
|} | |} | ||
<source lang="C">int sceKernelUidRelease(SceUID uid);</source> | <source lang="C">int sceKernelUidRelease(SceUID uid);</source> | ||
=== sceKernelIsColdBoot === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x14904 || thumb | |||
|} | |||
<source lang="C">int sceKernelIsColdBoot(void);</source> | |||
=== memcpy === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x15920 || thumb | |||
|} | |||
See [[SceSysmem]]. | |||
=== memset === | === memset === | ||
Line 35: | Line 210: | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x15A30 || thumb | ||
|} | |||
See [[SceSysmem]]. | |||
=== sceKernelL1CacheInvalidateEntire === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x16480 || thumb | |||
|} | |} | ||
See [[SceSysmem]]. | |||
== | === sceKernelL1IcacheInvalidateRange === | ||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x164A0 || thumb | |||
|} | |||
See [[SceSysmem]]. | |||
=== sceKernelL1DcacheCleanRange === | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x1650C || thumb | ||
|} | |} | ||
See [[SceSysmem]]. | |||
=== sceKernelL1DcacheCleanInvalidateRange === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x1652C || thumb | |||
|} | |||
See [[SceSysmem]]. | |||
=== sceKernelDcacheCleanRange === | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x16E60 || thumb | ||
|} | |} | ||
See [[SceSysmem]]. | |||
=== sceKernelDcacheCleanRangeForL1WBWA === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x16E54 || thumb | |||
|} | |||
See [[SceSysmem]]. | |||
=== sceKernelCorelockContextInitialize === | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x16A80 || thumb | ||
|} | |} | ||
<source lang="C"> | <source lang="C"> | ||
typedef struct SceCorelockContext { | |||
int lock; | |||
int16_t core_count; | |||
int16_t last_wait_core; // 0:core3, 1:core0, 2:core1, 3:core2 | |||
} SceCorelockContext; | |||
void sceKernelCorelockContextInitialize(SceCorelockContext *ctx); | |||
</source> | |||
=== sceKernelCorelockLock === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x16A8C || thumb | |||
|} | |||
= | <source lang="C">void sceKernelCorelockLock(SceCorelockContext *ctx, int core);</source> | ||
=== sceKernelCorelockUnlock === | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x16AC0 || thumb | ||
|} | |} | ||
<source lang="C"> | <source lang="C">void sceKernelCorelockUnlock(SceCorelockContext *ctx);</source> | ||
=== sceKernelDomainTextMemcpy === | |||
{| class="wikitable" | |||
|- | |||
! Version !! offset !! mode | |||
|- | |||
| 3.60 || 0x16E90 || thumb | |||
|} | |||
See [[SceSysmem]]. | |||
=== sceKernelVAtoPA === | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Version !! offset !! mode | ! Version !! offset !! mode | ||
|- | |- | ||
| 3.60 || | | 3.60 || 0x179E0 || thumb | ||
|} | |} | ||
See [[SceSysmem]]. | |||
== SceSkbl == | |||
=== sceArlzDecode === | |||
{| class="wikitable" | |||
|- | |||
! Version !! Offset !! Mode | |||
|- | |||
| 0.931 || 0x31E10 || ARM | |||
|- | |||
| 0.990 || 0x2BF50 || ARM | |||
|- | |||
| 3.60 || 0x183A8 || ARM | |||
|} | |||
Decodes an [[ARZL]] encoded buffer stored at <code>src</code>, of size <code>size</code> and writes result to <code>dst</code>. Source must point to just after "ARZL" magic. | |||
Returns written size. | |||
= | <source lang="C">SceSSize sceArlzDecode(void *dst_start, SceSize dst_max_size, const void *src, void **dst_end);</source> | ||
=== sceArlzArmFilter === | |||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! Version !! | ! Version !! Offset !! Mode | ||
|- | |||
| 0.931 || 0x32620 || ARM | |||
|- | |||
| 0.990 || 0x2C760 || ARM | |||
|- | |- | ||
| 3.60 || | | 3.60 || 0x18E24 || ARM | ||
|} | |} | ||
<source lang="C"> | Returns actual size of decoded [[ARZL]] data coming from [[#sceArlzDecode]]. | ||
<source lang="C">SceSSize sceArlzArmFilter(void *data, SceSize size, SceUInt32 version);</source> | |||
[[Category:ARM]] | |||
[[Category:Kernel]] |
Latest revision as of 21:59, 1 May 2023
Changelog
FW version | What changed compared to previous FW version |
---|---|
0.940 | Changed SKBL base physical address to 0x40040000 from 0x50000000. NSKBL is now stored in kernel_boot_loader.self segment 3 instead of SKBL .text , and loaded (ARZL-compressed) at 0x50000000 .
Changed the early boot stack base addresses from Resuming on Kermit ES1 is no longer supported ( |
0.995 | Unknown. |
0.996 | Changed SKBL base physical address to 0x40020000 from 0x40040000. |
3.36 | Unknown |
3.50 | Initial stack base changed (+ 0x100).
Something in the function has changed (see function at: 3.50:0x40020438). Removed some register writing (see function at: 3.36:0x4002066c/3.50:0x40020668). |
Common
These functions are at different offsets than those of SceTzs modules.
Offsets are relative to SKBL text segment base address. See Secure DRAM.
SceKernelModulemgr
sceKernelLoadStartModule
Version | offset | mode |
---|---|---|
3.60 | 0x20B0 | thumb |
typedef struct SceTzsModule { const void *pModule; const void *pModuleEnd; } SceTzsModule; int sceKernelLoadStartModule(SceTzsModule *pModule, void *argp);
get_module_object
Version | offset | mode |
---|---|---|
3.60 | 0x2350 | thumb |
SceModuleObject *get_module_object(SceUID modid);
sceKernelLoadModuleWithBuffer
Version | offset | mode |
---|---|---|
3.60 | 0x2494 | thumb |
SceUID sceKernelLoadModuleWithBuffer(const void *pModule, SceSize size);
sceKernelStartModuleForPid
Version | offset | mode |
---|---|---|
3.60 | 0x25BC | thumb |
int sceKernelStartModuleForPid(SceUID pid, SceUID modid, SceSize args, void *argp, int flags, SceKernelLMOption *option, int *status);
sceKernelStartModule
Version | offset | mode |
---|---|---|
3.60 | 0x2710 | thumb |
int sceKernelStartModule(SceUID modid, SceSize args, void *argp, int flags, SceKernelLMOption *option, int *status);
get_module_bootstart
Version | offset | mode |
---|---|---|
3.60 | 0x2744 | thumb |
int get_module_bootstart(SceUID modid, void *entry);
print_module_load_info
Version | offset | mode |
---|---|---|
3.60 | 0x2A70 | thumb |
resolve_import_function
Version | offset | mode |
---|---|---|
3.60 | 0x4748 | thumb |
SceExcpmgr
excp_handler
Version | offset | mode |
---|---|---|
3.60 | 0x4A3C | thumb |
sceExcpmgrRegisterHandler
Version | offset | mode |
---|---|---|
3.60 | 0x4A70 | thumb |
SceExcpmgr_module_start
Version | offset | mode |
---|---|---|
3.60 | 0x4CB4 | thumb |
SceSysmem
SceSysmem_NS_0x8100156C
Version | offset | mode |
---|---|---|
3.60 | 0x6EC0 | thumb |
sceGUIDReferObjectWithClass
Version | offset | mode |
---|---|---|
3.60 | 0x9DF8 | thumb |
int sceGUIDReferObjectWithClass(SceUID uid, SceClass *pClass, SceKernelObject **ppEntry);
sceKernelUidRelease
Version | offset | mode |
---|---|---|
3.60 | 0x9E60 | thumb |
int sceKernelUidRelease(SceUID uid);
sceKernelIsColdBoot
Version | offset | mode |
---|---|---|
3.60 | 0x14904 | thumb |
int sceKernelIsColdBoot(void);
memcpy
Version | offset | mode |
---|---|---|
3.60 | 0x15920 | thumb |
See SceSysmem.
memset
Version | offset | mode |
---|---|---|
3.60 | 0x15A30 | thumb |
See SceSysmem.
sceKernelL1CacheInvalidateEntire
Version | offset | mode |
---|---|---|
3.60 | 0x16480 | thumb |
See SceSysmem.
sceKernelL1IcacheInvalidateRange
Version | offset | mode |
---|---|---|
3.60 | 0x164A0 | thumb |
See SceSysmem.
sceKernelL1DcacheCleanRange
Version | offset | mode |
---|---|---|
3.60 | 0x1650C | thumb |
See SceSysmem.
sceKernelL1DcacheCleanInvalidateRange
Version | offset | mode |
---|---|---|
3.60 | 0x1652C | thumb |
See SceSysmem.
sceKernelDcacheCleanRange
Version | offset | mode |
---|---|---|
3.60 | 0x16E60 | thumb |
See SceSysmem.
sceKernelDcacheCleanRangeForL1WBWA
Version | offset | mode |
---|---|---|
3.60 | 0x16E54 | thumb |
See SceSysmem.
sceKernelCorelockContextInitialize
Version | offset | mode |
---|---|---|
3.60 | 0x16A80 | thumb |
typedef struct SceCorelockContext { int lock; int16_t core_count; int16_t last_wait_core; // 0:core3, 1:core0, 2:core1, 3:core2 } SceCorelockContext; void sceKernelCorelockContextInitialize(SceCorelockContext *ctx);
sceKernelCorelockLock
Version | offset | mode |
---|---|---|
3.60 | 0x16A8C | thumb |
void sceKernelCorelockLock(SceCorelockContext *ctx, int core);
sceKernelCorelockUnlock
Version | offset | mode |
---|---|---|
3.60 | 0x16AC0 | thumb |
void sceKernelCorelockUnlock(SceCorelockContext *ctx);
sceKernelDomainTextMemcpy
Version | offset | mode |
---|---|---|
3.60 | 0x16E90 | thumb |
See SceSysmem.
sceKernelVAtoPA
Version | offset | mode |
---|---|---|
3.60 | 0x179E0 | thumb |
See SceSysmem.
SceSkbl
sceArlzDecode
Version | Offset | Mode |
---|---|---|
0.931 | 0x31E10 | ARM |
0.990 | 0x2BF50 | ARM |
3.60 | 0x183A8 | ARM |
Decodes an ARZL encoded buffer stored at src
, of size size
and writes result to dst
. Source must point to just after "ARZL" magic.
Returns written size.
SceSSize sceArlzDecode(void *dst_start, SceSize dst_max_size, const void *src, void **dst_end);
sceArlzArmFilter
Version | Offset | Mode |
---|---|---|
0.931 | 0x32620 | ARM |
0.990 | 0x2C760 | ARM |
3.60 | 0x18E24 | ARM |
Returns actual size of decoded ARZL data coming from #sceArlzDecode.
SceSSize sceArlzArmFilter(void *data, SceSize size, SceUInt32 version);