diff options
Diffstat (limited to 'util/runfw/googlesnow.c')
| -rw-r--r-- | util/runfw/googlesnow.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/util/runfw/googlesnow.c b/util/runfw/googlesnow.c deleted file mode 100644 index 125e0a20be..0000000000 --- a/util/runfw/googlesnow.c +++ /dev/null @@ -1,137 +0,0 @@ -/* - * googlesnow - run google snow firmware in user mode - * - * Copyright (C) 2013 The ChromiumOS Authors. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA - */ - -#include <stdio.h> -#include <err.h> -#include <sys/mman.h> - -#include <string.h> - -enum addresses { - regs = 0x10000000, - sram = 0x2020000, - sramsize = 0x77fff, -}; - -// 0x20234b0 -main(int argc, char *argv[]) -{ - int fd; - int devmem; - void *regbase; - void *srambase; - void (*coreboot)(void) = (void *)0x2023400; - - if (argc != 3) - errx(1, "usage: runbios rom-file start-address"); - - fd = open(argv[1], 2); - if (fd < 0) - err(1, argv[1]); - devmem = open("/dev/mem", 2); - if (devmem < 0) - err(1, argv[1]); - srambase = mmap((void *)sram, sramsize, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); - if (-1 == (int)sram) - err(1, "mmap"); - memset((void *)sram, 0xff, sramsize); - - /* now sort of do what bl1 does: read the 'rom' into the sram */ - /* skip the bl1. We don't run it. */ - if (pread(fd, coreboot, 30*1024, 0x2000) < 30*1024) - err(1, "read 'rom'"); - /* you want to be in gdb at this point. */ - coreboot = (void *) (strtoul(argv[2], 0, 0)); - coreboot(); -} -#if 0 -/* cc -g googlesnow.c */ -/* typical run -gdb a.out -(gdb) list 50 - -45 i2c = mmap((void *)0x12c60000, 0x10000, PROT_READ|PROT_WRITE, MAP_ANONYMOUS|MAP_PRIVATE, devmem, (off_t) 0x12c60000); -46 if (-1 == (int)i2c) -47 err(1, "mmap i2c"); -48 -49 /* now sort of do what bl1 does: read the 'rom' into the sram */ -50 if (pread(fd, coreboot, 30*1024, 0x2000) < 30*1024) -51 err(1, "read 'rom'"); -52 /* you want to be in gdb at this point. */ -53 coreboot = (void *) strtoull(argv[2], 0, 0); -54 coreboot(); -(gdb) br 54 -Breakpoint 3 at 0x8798: file runbios.c, line 54. -(gdb) run ~/coreboot/build/coreboot.rom 0x020234b0 -The program being debugged has been started already. -Start it from the beginning? (y or n) y - -Starting program: /root/coreboot/util/runarmbios/a.out ~/coreboot/build/coreboot.rom 0x020234b0 - -Breakpoint 3, main (argc=3, argv=0x7efff7c4) at runbios.c:54 -54 coreboot(); -(gdb) symbol-file ~/coreboot/build/cbfs/fallback/bootblock.debug -Load new symbol table from "/root/coreboot/build/cbfs/fallback/bootblock.debug"? (y or n) y -Reading symbols from /root/coreboot/build/cbfs/fallback/bootblock.debug...done. -Error in re-setting breakpoint 3: No source file named runbios.c. -(gdb) display/i $pc -1: x/i $pc -=> 0x8798: ldr r3, [r11, #-8] -(gdb) stepi -0x0000879c in ?? () -1: x/i $pc -=> 0x879c: blx r3 -(gdb) -0x020234b0 in call_bootblock () -1: x/i $pc -=> 0x20234b0 <call_bootblock>: ldr sp, [pc, #3800] ; 0x2024390 -(gdb) -0x020234b4 in call_bootblock () -1: x/i $pc -=> 0x20234b4 <call_bootblock+4>: bic sp, sp, #7 -(gdb) -0x020234b8 in call_bootblock () -1: x/i $pc -=> 0x20234b8 <call_bootblock+8>: mov r0, #0 -(gdb) -0x020234bc in call_bootblock () -1: x/i $pc -=> 0x20234bc <call_bootblock+12>: blx 0x20244b8 <main> -(gdb) -main (bist=0) at src/arch/arm/bootblock_simple.c:37 -37 { -1: x/i $pc -=> 0x20244b8 <main>: push {r3, lr} -(gdb) -42 bootblock_mainboard_init(); -1: x/i $pc -=> 0x20244ba <main+2>: bl 0x2023c08 <bootblock_mainboard_init> -(gdb) -bootblock_mainboard_init () at src/mainboard/google/snow/bootblock.c:2124 -2124 { -1: x/i $pc -=> 0x2023c08 <bootblock_mainboard_init>: stmdb sp!, {r4, r5, r6, r7, r9, r10, r11, lr} -(gdb) -2127 i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -1: x/i $pc -=> 0x2023c0c <bootblock_mainboard_init+4>: movs r1, #0 - -Note you are now debugging source, and pretty much all commands work. -*/ -#endif |