| /* by yhlu 6.2005 |
| moved from nrv2v.c and some lines from crt0.S |
| 2006/05/02 - stepan: move nrv2b to an extra file. |
| */ |
| static inline void print_debug_cp_run(const char *strval, uint32_t val) |
| { |
| #if CONFIG_USE_PRINTK_IN_CAR |
| printk_debug("%s%08x\r\n", strval, val); |
| #else |
| print_debug(strval); print_debug_hex32(val); print_debug("\r\n"); |
| #endif |
| } |
| |
| #if CONFIG_COMPRESS |
| #define ENDIAN 0 |
| #define BITSIZE 32 |
| #include "lib/nrv2b.c" |
| #endif |
| |
| |
| static void copy_and_run(void) |
| { |
| uint8_t *src, *dst; |
| unsigned long ilen, olen; |
| |
| print_debug("Copying coreboot to RAM.\r\n"); |
| |
| #if !CONFIG_COMPRESS |
| __asm__ volatile ( |
| "leal _liseg, %0\n\t" |
| "leal _iseg, %1\n\t" |
| "leal _eiseg, %2\n\t" |
| "subl %1, %2\n\t" |
| : "=a" (src), "=b" (dst), "=c" (olen) |
| ); |
| memcpy(dst, src, olen); |
| #else |
| |
| __asm__ volatile ( |
| "leal _liseg, %0\n\t" |
| "leal _iseg, %1\n\t" |
| : "=a" (src) , "=b" (dst) |
| ); |
| |
| print_debug_cp_run("src=",(uint32_t)src); |
| print_debug_cp_run("dst=",(uint32_t)dst); |
| |
| // dump_mem(src, src+0x100); |
| |
| olen = unrv2b(src, dst, &ilen); |
| print_debug_cp_run("linxbios_ram.nrv2b length = ", ilen); |
| |
| #endif |
| // dump_mem(dst, dst+0x100); |
| |
| print_debug_cp_run("linxbios_ram.bin length = ", olen); |
| |
| print_debug("Jumping to coreboot.\r\n"); |
| |
| __asm__ volatile ( |
| "xorl %ebp, %ebp\n\t" /* cpu_reset for hardwaremain dummy */ |
| "cli\n\t" |
| "leal _iseg, %edi\n\t" |
| "jmp *%edi\n\t" |
| ); |
| |
| } |
| |
| #if CONFIG_AP_CODE_IN_CAR == 1 |
| |
| static void copy_and_run_ap_code_in_car(unsigned ret_addr) |
| { |
| uint8_t *src, *dst; |
| unsigned long ilen, olen; |
| |
| // print_debug("Copying coreboot AP code to CAR.\r\n"); |
| |
| #if !CONFIG_COMPRESS |
| __asm__ volatile ( |
| "leal _liseg_apc, %0\n\t" |
| "leal _iseg_apc, %1\n\t" |
| "leal _eiseg_apc, %2\n\t" |
| "subl %1, %2\n\t" |
| : "=a" (src), "=b" (dst), "=c" (olen) |
| ); |
| memcpy(dst, src, olen); |
| #else |
| |
| __asm__ volatile ( |
| "leal _liseg_apc, %0\n\t" |
| "leal _iseg_apc, %1\n\t" |
| : "=a" (src) , "=b" (dst) |
| ); |
| |
| // print_debug_cp_run("src=",(uint32_t)src); |
| // print_debug_cp_run("dst=",(uint32_t)dst); |
| |
| // dump_mem(src, src+0x100); |
| |
| olen = unrv2b(src, dst, &ilen); |
| // print_debug_cp_run("linxbios_apc.nrv2b length = ", ilen); |
| |
| #endif |
| // dump_mem(dst, dst+0x100); |
| |
| // print_debug_cp_run("linxbios_apc.bin length = ", olen); |
| |
| // print_debug("Jumping to coreboot AP code in CAR.\r\n"); |
| |
| __asm__ volatile ( |
| "movl %0, %%ebp\n\t" /* cpu_reset for hardwaremain dummy */ |
| "cli\n\t" |
| "leal _iseg_apc, %%edi\n\t" |
| "jmp *%%edi\n\t" |
| :: "a"(ret_addr) |
| ); |
| |
| } |
| #endif |