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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/m68k/tools/amiga/dmesg.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/m68k/tools/amiga/dmesg.c')
-rw-r--r-- | arch/m68k/tools/amiga/dmesg.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/arch/m68k/tools/amiga/dmesg.c b/arch/m68k/tools/amiga/dmesg.c new file mode 100644 index 00000000..7340f5b6 --- /dev/null +++ b/arch/m68k/tools/amiga/dmesg.c @@ -0,0 +1,69 @@ +/* + * linux/arch/m68k/tools/amiga/dmesg.c -- Retrieve the kernel messages stored + * in Chip RAM with the kernel command + * line option `debug=mem'. + * + * © Copyright 1996 by Geert Uytterhoeven <geert@linux-m68k.org> + * + * + * Usage: + * + * dmesg + * dmesg <CHIPMEM_END> + * + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of the Linux + * distribution for more details. + */ + + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + + +#define CHIPMEM_START 0x00000000 +#define CHIPMEM_END 0x00200000 /* overridden by argv[1] */ + +#define SAVEKMSG_MAGIC1 0x53415645 /* 'SAVE' */ +#define SAVEKMSG_MAGIC2 0x4B4D5347 /* 'KMSG' */ + +struct savekmsg { + u_long magic1; /* SAVEKMSG_MAGIC1 */ + u_long magic2; /* SAVEKMSG_MAGIC2 */ + u_long magicptr; /* address of magic1 */ + u_long size; + char data[0]; +}; + + +int main(int argc, char *argv[]) +{ + u_long start = CHIPMEM_START, end = CHIPMEM_END, p; + int found = 0; + struct savekmsg *m = NULL; + + if (argc >= 2) + end = strtoul(argv[1], NULL, 0); + printf("Searching for SAVEKMSG magic...\n"); + for (p = start; p <= end-sizeof(struct savekmsg); p += 4) { + m = (struct savekmsg *)p; + if ((m->magic1 == SAVEKMSG_MAGIC1) && (m->magic2 == SAVEKMSG_MAGIC2) && + (m->magicptr == p)) { + found = 1; + break; + } + } + if (!found) + printf("Not found\n"); + else { + printf("Found %ld bytes at 0x%08lx\n", m->size, (u_long)&m->data); + puts(">>>>>>>>>>>>>>>>>>>>"); + fflush(stdout); + write(1, &m->data, m->size); + fflush(stdout); + puts("<<<<<<<<<<<<<<<<<<<<"); + } + return(0); +} |