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[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>
This commit is contained in:
Ralf Baechle 2005-11-28 13:15:08 +00:00
parent e76beeebff
commit fe3d72858c
1 changed files with 12 additions and 1 deletions
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13
arch/mips/qemu/q-firmware.c
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@ -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);
}
}