aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
authorRalf Baechle <ralf@linux-mips.org>2005-11-28 08:15:08 -0500
committerRalf Baechle <ralf@linux-mips.org>2005-12-01 06:05:15 -0500
commitfe3d72858c34a464976c6f8076971e2862d5c3b8 (patch)
tree5903ce0e8eaf69eb71ec29929bd03877e094ecf4 /arch
parente76beeebff09b6a5eb338f306349ddc451a7804d (diff)
[MIPS] Qemu: Accept kernel command line passed by the Emulator.
From Daniel Jacobowitz <dan@debian.org>. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/qemu/q-firmware.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/mips/qemu/q-firmware.c b/arch/mips/qemu/q-firmware.c
index 5980f02b2df9..fb2a8673a6bf 100644
--- a/arch/mips/qemu/q-firmware.c
+++ b/arch/mips/qemu/q-firmware.c
@@ -1,7 +1,18 @@
1#include <linux/init.h> 1#include <linux/init.h>
2#include <linux/string.h>
3#include <asm/addrspace.h>
2#include <asm/bootinfo.h> 4#include <asm/bootinfo.h>
3 5
4void __init prom_init(void) 6void __init prom_init(void)
5{ 7{
6 add_memory_region(0x0<<20, 0x10<<20, BOOT_MEM_RAM); 8 int *cmdline;
9
10 cmdline = (int *) (CKSEG0 + (0x10 << 20) - 260);
11 if (*cmdline == 0x12345678) {
12 if (*(char *)(cmdline + 1))
13 strcpy (arcs_cmdline, (char *)(cmdline + 1));
14 add_memory_region(0x0<<20, cmdline[-1], BOOT_MEM_RAM);
15 } else {
16 add_memory_region(0x0<<20, 0x10<<20, BOOT_MEM_RAM);
17 }
7} 18}