X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=examples%2Fstubs.c;h=a8cb954282139a9b80ad6f1baef05a59084cc0d2;hb=d4b130dc80761b430dc5b410159cd158fca1a348;hp=263dd8c3de97de2826587708656ae08ad1bf652a;hpb=0b135cfc2e524dc249b75057b55dd4cc09842e27;p=u-boot diff --git a/examples/stubs.c b/examples/stubs.c index 263dd8c3de..a8cb954282 100644 --- a/examples/stubs.c +++ b/examples/stubs.c @@ -25,14 +25,14 @@ gd_t *global_data; : : "i"(XF_ ## x * sizeof(void *)) : "eax", "ecx"); #elif defined(CONFIG_PPC) /* - * r29 holds the pointer to the global_data, r11 is a call-clobbered + * r2 holds the pointer to the global_data, r11 is a call-clobbered * register */ #define EXPORT_FUNC(x) \ asm volatile ( \ " .globl " #x "\n" \ #x ":\n" \ -" lwz %%r11, %0(%%r29)\n" \ +" lwz %%r11, %0(%%r2)\n" \ " lwz %%r11, %1(%%r11)\n" \ " mtctr %%r11\n" \ " bctr\n" \ @@ -132,7 +132,7 @@ gd_t *global_data; */ #define EXPORT_FUNC(x) \ asm volatile ( \ -" .globl _" #x "\n_" \ +" .globl _" #x "\n_" \ #x ":\n" \ " P0 = [P5 + %0]\n" \ " P0 = [P0 + %1]\n" \ @@ -155,18 +155,36 @@ gd_t *global_data; /* * r13 holds the pointer to the global_data. r1 is a call clobbered. */ -#define EXPORT_FUNC(x) \ - asm volatile ( \ - " .align 2\n" \ - " .globl " #x "\n" \ - #x ":\n" \ - " mov r13, r1\n" \ - " add %0, r1\n" \ - " add %1, r1\n" \ - " jmp @r1\n" \ - " nop\n" \ - " nop\n" \ - : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r1"); +#define EXPORT_FUNC(x) \ + asm volatile ( \ + " .align 2\n" \ + " .globl " #x "\n" \ + #x ":\n" \ + " mov r13, r1\n" \ + " add %0, r1\n" \ + " mov.l @r1, r2\n" \ + " add %1, r2\n" \ + " mov.l @r2, r1\n" \ + " jmp @r1\n" \ + " nop\n" \ + " nop\n" \ + : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r1", "r2"); +#elif defined(CONFIG_SPARC) +/* + * g7 holds the pointer to the global_data. g1 is call clobbered. + */ +#define EXPORT_FUNC(x) \ + asm volatile( \ +" .globl\t" #x "\n" \ +#x ":\n" \ +" set %0, %%g1\n" \ +" or %%g1, %%g7, %%g1\n" \ +" ld [%%g1], %%g1\n" \ +" ld [%%g1 + %1], %%g1\n" \ +" call %%g1\n" \ +" nop\n" \ + : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x) : "g1" ); + #else #error stubs definition missing for this architecture #endif @@ -190,10 +208,10 @@ extern unsigned long __bss_start, _end; void app_startup(char **argv) { - unsigned long * cp = &__bss_start; + unsigned char * cp = (unsigned char *) &__bss_start; /* Zero out BSS */ - while (cp < &_end) { + while (cp < (unsigned char *)&_end) { *cp++ = 0; }