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brainlilo
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modified: BrainLILOdrv.cpp

This commit is contained in:
Chiharu Shirasaka 2020-09-29 20:35:29 +09:00
parent d596552dd0
commit 6a6ef323f1
1 changed files with 8 additions and 9 deletions
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17
BrainLILOdrv.cpp
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@ -127,7 +127,12 @@ static void EDNA2_runPhysicalInvoker(unsigned long bootloaderphysaddr,DWORD size
"bic r0, r0, #8192\n" // reset vector to lower
"mcr p15,0,r0,c1,c0,0\n" // write ctrl regs
"ldr r0, =0x0000\n"
"mrc p15,0,r10,c1,c0,0\n" // read ctrl regs
"bic r10, r10, #5\n" // disable MMU/DCache
"mcr p15,0,r10,c1,c0,0\n" // write ctrl regs
);
for(unsigned int i=0;i<size;i++)*((char *)(0x40002000+i))=*((char *)(bootloaderphysaddr+i));
asm volatile("ldr r0, =0x0000\n"
"ldr r1, =0x0000\n"
"ldr r2, =0x0000\n"
"ldr r3, =0x0000\n"
@ -137,13 +142,7 @@ static void EDNA2_runPhysicalInvoker(unsigned long bootloaderphysaddr,DWORD size
"ldr r7, =0x0000\n"
"ldr r8, =0x40002000\n"
"ldr r9, =0x0000\n"
"mrc p15,0,r10,c1,c0,0\n" // read ctrl regs
"bic r10, r10, #5\n" // disable MMU/DCache
"mcr p15,0,r10,c1,c0,0\n" // write ctrl regs
);
for(unsigned int i=0;i<size;i++)*((char *)(0x40002000+i))=*((char *)(bootloaderphysaddr+i));
asm volatile("swi #0\n" // jump!
"swi #0\n" // jump!
);
// never reach here
@ -157,6 +156,7 @@ static DWORD EDNA2_callKernelEntryPoint(unsigned long bootloaderphysaddr,DWORD s
OutputDebugString(L"BrainLILO: injecting code to internal ram");
EDNA2_installPhysicalInvoker();
OutputDebugString(L"BrainLILO: invoking");
Sleep(100);
EDNA2_runPhysicalInvoker(bootloaderphysaddr,size);
}
@ -199,7 +199,6 @@ static bool doLinux(){
OutputDebugString(L"BrainLILO: bootloader copied");
free(bootloaderdata);
FreeLibrary(dll);
Sleep(100);
EDNA2_callKernelEntryPoint(bootloaderphysaddr,wReadSize);
return true;
}