diff options
Diffstat (limited to 'arch/parisc/kernel/traps.c')
| -rw-r--r-- | arch/parisc/kernel/traps.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index b99b39f1da02..553b09855cfd 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -807,7 +807,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) } -int __init check_ivt(void *iva) +void __init initialize_ivt(const void *iva) { extern u32 os_hpmc_size; extern const u32 os_hpmc[]; @@ -818,8 +818,8 @@ int __init check_ivt(void *iva) u32 *hpmcp; u32 length; - if (strcmp((char *)iva, "cows can fly")) - return -1; + if (strcmp((const char *)iva, "cows can fly")) + panic("IVT invalid"); ivap = (u32 *)iva; @@ -839,28 +839,23 @@ int __init check_ivt(void *iva) check += ivap[i]; ivap[5] = -check; - - return 0; } -#ifndef CONFIG_64BIT -extern const void fault_vector_11; -#endif -extern const void fault_vector_20; -void __init trap_init(void) +/* early_trap_init() is called before we set up kernel mappings and + * write-protect the kernel */ +void __init early_trap_init(void) { - void *iva; + extern const void fault_vector_20; - if (boot_cpu_data.cpu_type >= pcxu) - iva = (void *) &fault_vector_20; - else -#ifdef CONFIG_64BIT - panic("Can't boot 64-bit OS on PA1.1 processor!"); -#else - iva = (void *) &fault_vector_11; +#ifndef CONFIG_64BIT + extern const void fault_vector_11; + initialize_ivt(&fault_vector_11); #endif - if (check_ivt(iva)) - panic("IVT invalid"); + initialize_ivt(&fault_vector_20); +} + +void __init trap_init(void) +{ } |