[coreboot-gerrit] New patch to review for coreboot: 9bcba44 Drop util/runfw
Stefan Reinauer (stefan.reinauer@coreboot.org)
gerrit at coreboot.org
Tue May 5 22:51:12 CEST 2015
Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/10111
-gerrit
commit 9bcba4437230df25d3674a17f0bac9a5c13e6096
Author: Stefan Reinauer <stefan.reinauer at coreboot.org>
Date: Tue May 5 13:12:58 2015 -0700
Drop util/runfw
This utility was only used to debug the initial ARM Chromebook bringup,
but it's not really useful anymore.
Change-Id: Icff0a80f244adae3c35a8430c54de9e415fbd7d0
Signed-off-by: Stefan Reinauer <stefan.reinauer at coreboot.org>
---
util/runfw/Makefile | 26 ---------
util/runfw/googlesnow.c | 137 ------------------------------------------------
2 files changed, 163 deletions(-)
diff --git a/util/runfw/Makefile b/util/runfw/Makefile
deleted file mode 100644
index 5f07e3c..0000000
--- a/util/runfw/Makefile
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-# runfw -- run 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
-#
-
-all: googlesnow
-
-googlesnow: googlesnow.c
- cc -g -o googlesnow googlesnow.c
-
-clean:
- rm -f googlesnow
diff --git a/util/runfw/googlesnow.c b/util/runfw/googlesnow.c
deleted file mode 100644
index 125e0a2..0000000
--- 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
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