X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fkernel%2Fhead-nommu.S;h=0119c0d5f9788009b30cd135b3a8b51dda9c354d;hb=refs%2Fheads%2Fvserver;hp=adf62e5eaad7a7f8ba120a76b9c39c00bc64d458;hpb=16cf0ec7408f389279d413869e94c1a351392f97;p=linux-2.6.git diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index adf62e5ea..0119c0d5f 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -9,16 +9,13 @@ * published by the Free Software Foundation. * * Common kernel startup code (non-paged MM) - * for 32-bit CPUs which has a process ID register(CP15). * */ -#include #include #include #include #include -#include #include #include #include @@ -39,9 +36,13 @@ __INIT .type stext, %function ENTRY(stext) - msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | MODE_SVC @ ensure svc mode + msr cpsr_c, #PSR_F_BIT | PSR_I_BIT | SVC_MODE @ ensure svc mode @ and irqs disabled +#ifndef CONFIG_CPU_CP15 + ldr r9, =CONFIG_PROCESSOR_ID +#else mrc p15, 0, r9, c0, c0 @ get processor id +#endif bl __lookup_processor_type @ r5=procinfo r9=cpuid movs r10, r5 @ invalid processor (r5=0)? beq __error_p @ yes, error 'p' @@ -59,6 +60,7 @@ ENTRY(stext) */ .type __after_proc_init, %function __after_proc_init: +#ifdef CONFIG_CPU_CP15 mrc p15, 0, r0, c1, c0, 0 @ read control reg #ifdef CONFIG_ALIGNMENT_TRAP orr r0, r0, #CR_A @@ -73,8 +75,14 @@ __after_proc_init: #endif #ifdef CONFIG_CPU_ICACHE_DISABLE bic r0, r0, #CR_I +#endif +#ifdef CONFIG_CPU_HIGH_VECTOR + orr r0, r0, #CR_V +#else + bic r0, r0, #CR_V #endif mcr p15, 0, r0, c1, c0, 0 @ write control reg +#endif /* CONFIG_CPU_CP15 */ mov pc, r13 @ clear the BSS and jump @ to start_kernel