LowLevel/Luma3DS-3GX
Archived
1
0
Fork 0
Code Issues Pull Requests Releases 2 Wiki Activity

Change k11 mapping logic again

Browse Source
This commit is contained in:
TuxSH 2018-06-07 16:44:29 +02:00
parent f3b2a6c30d
commit 244409fc98
3 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arm9/source/patches.c
View File

@ -135,7 +135,7 @@ u32 installK11Extension(u8 *pos, u32 size, bool needToInitSd, u32 baseK11VA, u32
//Our kernel11 extension is initially loaded in VRAM
u32 kextTotalSize = *(u32 *)0x18000020 - 0x40000000;
u32 dstKextPA = (ISN3DS ? 0x2E000000 : 0x26C00000) - (0x1000 + kextTotalSize);
u32 dstKextPA = (ISN3DS ? 0x2E000000 : 0x26C00000) - kextTotalSize;
u32 *hookVeneers = (u32 *)*freeK11Space;
u32 relocBase = 0xFFFF0000 + (*freeK11Space - (u8 *)arm11ExceptionsPage);
@ -176,7 +176,7 @@ u32 installK11Extension(u8 *pos, u32 size, bool needToInitSd, u32 baseK11VA, u32
*off = MAKE_BRANCH_LINK(baseK11VA + ((u8 *)off - pos), relocBase + 24);
struct KExtParameters *p = (struct KExtParameters *)(*(u32 *)0x18000024 - 0x40000000 + 0x18000000);
p->basePA = dstKextPA + 0x1000;
p->basePA = dstKextPA;
for(u32 i = 0; i < 4; i++)
{

7
k11_extension/source/main.c
View File

@ -41,11 +41,13 @@ struct KExtParameters
CfwInfo cfwInfo;
} kExtParameters = { .basePA = 0x12345678 }; // place this in .data
static ALIGN(1024) u32 L2TableFor0x40000000[256] = {0};
void relocateAndSetupMMU(u32 coreId, u32 *L1Table)
{
struct KExtParameters *p0 = (struct KExtParameters *)((u32)&kExtParameters - 0x40000000 + 0x18000000);
struct KExtParameters *p = (struct KExtParameters *)((u32)&kExtParameters - 0x40000000 + p0->basePA);
u32 *L2Table = (u32 *)(p0->basePA - 0x1000);
u32 *L2Table = (u32 *)((u32)L2TableFor0x40000000 - 0x40000000 + p0->basePA);
if(coreId == 0)
{
@ -56,7 +58,6 @@ void relocateAndSetupMMU(u32 coreId, u32 *L1Table)
// Map the kernel ext to 0x40000000
// 4KB extended small pages: [SYS:RW USR:-- X TYP:NORMAL SHARED OUTER NOCACHE, INNER CACHED WB WA]
memset(L2Table, 0, 4 * 256);
for(u32 offset = 0; offset < (u32)(__end__ - __start__); offset += 0x1000)
L2Table[offset >> 12] = (p0->basePA + offset) | 0x516;
@ -258,7 +259,7 @@ void main(FcramLayout *layout, KCoreContext *ctxs)
u32 TTBCR_;
s64 nb;
layout->systemSize -= 0x1000 + __end__ - __start__;
layout->systemSize -= __end__ - __start__;
fcramLayout = *layout;
coreCtxs = ctxs;

4
k11_extension/source/svc.c
View File

@ -100,7 +100,7 @@ void *svcHook(u8 *pageEnd)
case 0x17:
if(strcmp(codeSetOfProcess(currentProcess)->processName, "pm") == 0) // only called twice in pm, by the same function
{
*(vu32 *)(configPage + 0x44) += 0x1000 + __end__ - __start__;
*(vu32 *)(configPage + 0x44) += __end__ - __start__;
doingVeryShittyPmResLimitWorkaround = true;
}
return officialSVCs[0x17];
@ -127,7 +127,7 @@ void *svcHook(u8 *pageEnd)
case 0x79:
if(doingVeryShittyPmResLimitWorkaround)
{
*(vu32 *)(configPage + 0x44) -= 0x1000 + __end__ - __start__;
*(vu32 *)(configPage + 0x44) -= __end__ - __start__;
doingVeryShittyPmResLimitWorkaround = false;
}
return officialSVCs[0x79];