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| author | Ralf Baechle <ralf@linux-mips.org> | 2005-11-28 13:15:08 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-12-01 11:05:15 +0000 |
| commit | fe3d72858c34a464976c6f8076971e2862d5c3b8 (patch) | |
| tree | 5903ce0e8eaf69eb71ec29929bd03877e094ecf4 /arch | |
| parent | e76beeebff09b6a5eb338f306349ddc451a7804d (diff) | |
| download | linux-3.10-fe3d72858c34a464976c6f8076971e2862d5c3b8.tar.gz linux-3.10-fe3d72858c34a464976c6f8076971e2862d5c3b8.tar.bz2 linux-3.10-fe3d72858c34a464976c6f8076971e2862d5c3b8.zip | |
[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.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/mips/qemu/q-firmware.c b/arch/mips/qemu/q-firmware.c index 5980f02b2df..fb2a8673a6b 100644 --- a/arch/mips/qemu/q-firmware.c +++ b/arch/mips/qemu/q-firmware.c @@ -1,7 +1,18 @@ #include <linux/init.h> +#include <linux/string.h> +#include <asm/addrspace.h> #include <asm/bootinfo.h> void __init prom_init(void) { - add_memory_region(0x0<<20, 0x10<<20, BOOT_MEM_RAM); + int *cmdline; + + cmdline = (int *) (CKSEG0 + (0x10 << 20) - 260); + if (*cmdline == 0x12345678) { + if (*(char *)(cmdline + 1)) + strcpy (arcs_cmdline, (char *)(cmdline + 1)); + add_memory_region(0x0<<20, cmdline[-1], BOOT_MEM_RAM); + } else { + add_memory_region(0x0<<20, 0x10<<20, BOOT_MEM_RAM); + } } |