LowLevel/Luma3DS-3GX
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Minor stuff

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This commit is contained in:
Aurora 2016-10-12 04:46:33 +02:00
parent 014ac1cf72
commit 1704fbcd62
3 changed files with 4 additions and 8 deletions
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4
source/screen.c
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@ -46,9 +46,6 @@ static const u32 brightness[4] = {0x5F, 0x4C, 0x39, 0x26};
void __attribute__((naked)) arm11Stub(void)
{
//Disable interrupts
__asm(".word 0xF10C01C0");
//Wait for the entry to be set
while(*arm11Entry == ARM11_STUB_ADDRESS);
@ -62,7 +59,6 @@ static void invokeArm11Function(void (*func)())
if(!hasCopiedStub)
{
memcpy((void *)ARM11_STUB_ADDRESS, arm11Stub, 0x30);
flushDCacheRange((void *)ARM11_STUB_ADDRESS, 0x30);
hasCopiedStub = true;
}

2
source/screen.h
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@ -31,7 +31,7 @@
#define PDN_GPU_CNT (*(vu8 *)0x10141200)
#define ARM11_STUB_ADDRESS (0x25000000 - 0x30) //It's currently only 0x28 bytes large. We're putting 0x30 just to be sure here
#define ARM11_STUB_ADDRESS 0x1FFFFFC8
#define WAIT_FOR_ARM9() *arm11Entry = 0; while(!*arm11Entry); ((void (*)())*arm11Entry)();
#define SCREEN_TOP_WIDTH 400

6
source/start.s
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@ -31,14 +31,14 @@ launchedFirmTidLow:
.hword 0, 0, 0, 0, 0, 0, 0, 0
start:
@ Change the stack pointer
mov sp, #0x27000000
@ Disable interrupts
mrs r0, cpsr
orr r0, #0x1C0
msr cpsr_cx, r0
@ Change the stack pointer
mov sp, #0x27000000
@ Disable caches / MPU
mrc p15, 0, r0, c1, c0, 0 @ read control register
bic r0, #(1<<12) @ - instruction cache disable