X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Farch%2Farmv7%2Fmain.c;h=b182e51637740e3976f838f6dd8143ed05fd6d17;hb=419b7b18a70e5f65698c5eda4f62f546f02d32e4;hp=de28ee87f5c0f7dffd4d67eb0cdf5dab6487cb4d;hpb=6a72262c7ce45a57ae2b3d002aaa30f5b5fd23d5;p=tpg%2Facess2.git diff --git a/Kernel/arch/armv7/main.c b/Kernel/arch/armv7/main.c index de28ee87..b182e516 100644 --- a/Kernel/arch/armv7/main.c +++ b/Kernel/arch/armv7/main.c @@ -4,6 +4,8 @@ * ARM7 Entrypoint * arch/arm7/main.c */ +#define DEBUG 1 + #include #include @@ -16,6 +18,7 @@ extern void System_Init(const char *Commandline); // === PROTOTYPES === int kmain(void); +Uint32 ARMv7_int_HandleSyscalls(Uint32 Num, Uint32 *Args); // === CODE === int kmain(void) @@ -40,7 +43,8 @@ int kmain(void) // LogF("Moving to arch-independent init\n"); - System_Init(""); + System_Init("/Acess=initrd: -VTerm:Video=PL110"); +// System_Init("/Acess=initrd:"); //TODO: LogF("End of kmain(), for(;;) Threads_Sleep();\n"); for(;;) @@ -51,3 +55,38 @@ void Arch_LoadBootModules(void) { } +Uint32 ARMv7_int_HandleSyscalls(Uint32 Num, Uint32 *Args) +{ + Uint32 ret = -1, err = 0; + Uint32 addr; + ENTER("iNum xArgs[0] xArgs[1] xArgs[2] xArgs[3]", + Num, Args[0], Args[1], Args[2], Args[3] + ); + switch(Num) + { + case 1: + Log_Debug("ARMv7", "__clear_cache(%p, %p)", Args[0], Args[1]); + // Align + Args[0] &= ~0xFFF; + Args[1] += 0xFFF; Args[1] &= ~0xFFF; + // Invalidate! + for( addr = Args[0]; addr < Args[1]; addr += 0x1000 ) + { + LOG("addr = %p", addr); + __asm__ __volatile__ ( + "mcrlt p15, 0, %0, c7, c5, 1;\n\t" + "mcrlt p15, 0, %0, c7, c6, 1;\n\t" + : + : "r" (addr) + ); + } + ret = 0; + break; + } + Args[0] = ret; // RetLow + Args[1] = 0; // RetHi + Args[2] = err; // Errno + LEAVE('x', ret); + return ret; +} +