X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/60a917ef0909a3d22904e8204a0df64094af6e50..4122ee13ba211a913b04906c39e72e512cb15c08:/grubload/multiboot_c.c?ds=inline diff --git a/grubload/multiboot_c.c b/grubload/multiboot_c.c index ad421b4..990ffc6 100644 --- a/grubload/multiboot_c.c +++ b/grubload/multiboot_c.c @@ -24,27 +24,24 @@ struct mod_info void c_start(unsigned int magic, struct mb_info *wee) { - unsigned short *grubptr = 0x7CFE; + unsigned short *grubptr = (unsigned short *)0x7CFE; unsigned char smramc; int i; - void (*realmode)() = 0x4000; + void (*realmode)() = (void (*)()) 0x4000; - puts("Magic is: "); - puthex(magic); - puts("\nMultiboot header is: "); - puthex(wee); - puts("\n"); show_cursor(); + puts("NetWatch loader\n"); + + if (magic != 0x2BADB002) + { + puts("Bootloader was not multiboot compliant; cannot continue.\n"); + while(1) asm("hlt"); + } - puts("Grubptr is: "); - puthex(*grubptr); - puts("\n"); - - for (i = 0; i < wee->mod_cnt; i++) { - puts("Module:\n"); + puts("Module found:\n"); puts(" Start: "); puthex(wee->mods[i].mod_start); puts("\n"); puts(" Size: "); puthex(wee->mods[i].mod_end - wee->mods[i].mod_start); puts("\n"); puts(" Name: "); puts(wee->mods[i].mod_string); puts("\n"); @@ -60,7 +57,7 @@ void c_start(unsigned int magic, struct mb_info *wee) puts("Current SMI state is: "); puthex(inl(0x830)); puts("\n"); puts("Current SMRAMC state is: "); puthex(pci_read8(0, 0, 0, 0x70)); puts("\n"); - outl(0x830, inl(0x830) & ~0x2001); /* turn off SMIs */ + outl(0x830, inl(0x830) & ~0x1); /* turn off SMIs */ /* Try really hard to shut up USB_LEGKEY. */ pci_write16(0, 31, 2, 0xC0, pci_read16(0, 31, 2, 0xC0));