diff options
Diffstat (limited to 'arch/mips/dec/boot/decstation.c')
-rw-r--r-- | arch/mips/dec/boot/decstation.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/arch/mips/dec/boot/decstation.c b/arch/mips/dec/boot/decstation.c deleted file mode 100644 index 4db8bacaf22..00000000000 --- a/arch/mips/dec/boot/decstation.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * arch/mips/dec/decstation.c - */ -#include <asm/sections.h> - -#define RELOC -#define INITRD -#define DEBUG_BOOT - -/* - * Magic number indicating REX PROM available on DECSTATION. - */ -#define REX_PROM_MAGIC 0x30464354 - -#define REX_PROM_CLEARCACHE 0x7c/4 -#define REX_PROM_PRINTF 0x30/4 - -#define VEC_RESET 0xBFC00000 /* Prom base address */ -#define PMAX_PROM_ENTRY(x) (VEC_RESET+((x)*8)) /* Prom jump table */ -#define PMAX_PROM_PRINTF PMAX_PROM_ENTRY(17) - -#define PARAM (k_start + 0x2000) - -#define LOADER_TYPE (*(unsigned char *) (PARAM+0x210)) -#define INITRD_START (*(unsigned long *) (PARAM+0x218)) -#define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c)) - -extern int _ftext; /* begin and end of kernel image */ -extern void kernel_entry(int, char **, unsigned long, int *); - -void * memcpy(void * dest, const void *src, unsigned int count) -{ - unsigned long *tmp = (unsigned long *) dest, *s = (unsigned long *) src; - - count >>= 2; - while (count--) - *tmp++ = *s++; - - return dest; -} - -void dec_entry(int argc, char **argv, - unsigned long magic, int *prom_vec) -{ - void (*rex_clear_cache)(void); - int (*prom_printf)(char *, ...); - unsigned long k_start, len; - - /* - * The DS5100 leaves cpu with BEV enabled, clear it. - */ - asm( "lui\t$8,0x3000\n\t" - "mtc0\t$8,$12\n\t" - ".section\t.sdata\n\t" - ".section\t.sbss\n\t" - ".section\t.text" - : : : "$8"); - -#ifdef DEBUG_BOOT - if (magic == REX_PROM_MAGIC) { - prom_printf = (int (*)(char *, ...)) *(prom_vec + REX_PROM_PRINTF); - } else { - prom_printf = (int (*)(char *, ...)) PMAX_PROM_PRINTF; - } - prom_printf("Launching kernel...\n"); -#endif - - k_start = (unsigned long) (&kernel_entry) & 0xffff0000; - -#ifdef RELOC - /* - * Now copy kernel image to its destination. - */ - len = ((unsigned long) (&_end) - k_start); - memcpy((void *)k_start, &_ftext, len); -#endif - - if (magic == REX_PROM_MAGIC) { - rex_clear_cache = (void (*)(void)) * (prom_vec + REX_PROM_CLEARCACHE); - rex_clear_cache(); - } - - kernel_entry(argc, argv, magic, prom_vec); -} |