diff options
Diffstat (limited to 'arch/mn10300/boot/compressed/head.S')
| -rw-r--r-- | arch/mn10300/boot/compressed/head.S | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/mn10300/boot/compressed/head.S b/arch/mn10300/boot/compressed/head.S index 4ef608a62416..7b50345b9e84 100644 --- a/arch/mn10300/boot/compressed/head.S +++ b/arch/mn10300/boot/compressed/head.S @@ -15,10 +15,28 @@ #include <linux/linkage.h> #include <asm/cpu-regs.h> #include <asm/cache.h> +#ifdef CONFIG_SMP +#include <proc/smp-regs.h> +#endif .globl startup_32 startup_32: - # first save off parameters from bootloader +#ifdef CONFIG_SMP + # + # Secondary CPUs jump directly to the kernel entry point + # + # Must save primary CPU's D0-D2 registers as they hold boot parameters + # + mov (CPUID), d3 + and CPUID_MASK,d3 + beq startup_primary + mov CONFIG_KERNEL_TEXT_ADDRESS,a0 + jmp (a0) + +startup_primary: +#endif /* CONFIG_SMP */ + + # first save parameters from bootloader mov param_save_area,a0 mov d0,(a0) mov d1,(4,a0) |