diff options
| -rw-r--r-- | arch/arm/kernel/process.c | 63 | ||||
| -rw-r--r-- | include/asm-arm/ptrace.h | 3 |
2 files changed, 35 insertions, 31 deletions
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 5d6e6523598..842361777d4 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -28,6 +28,7 @@ #include <linux/elfcore.h> #include <linux/pm.h> #include <linux/tick.h> +#include <linux/utsname.h> #include <asm/leds.h> #include <asm/processor.h> @@ -199,16 +200,19 @@ void machine_restart(char * __unused) void __show_regs(struct pt_regs *regs) { - unsigned long flags = condition_codes(regs); + unsigned long flags; + char buf[64]; - printk("CPU: %d\n", smp_processor_id()); + printk("CPU: %d %s (%s %.*s)\n", + smp_processor_id(), print_tainted(), init_utsname()->release, + (int)strcspn(init_utsname()->version, " "), + init_utsname()->version); print_symbol("PC is at %s\n", instruction_pointer(regs)); print_symbol("LR is at %s\n", regs->ARM_lr); - printk("pc : [<%08lx>] lr : [<%08lx>] %s\n" + printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n" "sp : %08lx ip : %08lx fp : %08lx\n", - instruction_pointer(regs), - regs->ARM_lr, print_tainted(), regs->ARM_sp, - regs->ARM_ip, regs->ARM_fp); + regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr, + regs->ARM_sp, regs->ARM_ip, regs->ARM_fp); printk("r10: %08lx r9 : %08lx r8 : %08lx\n", regs->ARM_r10, regs->ARM_r9, regs->ARM_r8); @@ -218,36 +222,39 @@ void __show_regs(struct pt_regs *regs) printk("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n", regs->ARM_r3, regs->ARM_r2, regs->ARM_r1, regs->ARM_r0); - printk("Flags: %c%c%c%c", - flags & PSR_N_BIT ? 'N' : 'n', - flags & PSR_Z_BIT ? 'Z' : 'z', - flags & PSR_C_BIT ? 'C' : 'c', - flags & PSR_V_BIT ? 'V' : 'v'); - printk(" IRQs o%s FIQs o%s Mode %s%s Segment %s\n", - interrupts_enabled(regs) ? "n" : "ff", + + flags = regs->ARM_cpsr; + buf[0] = flags & PSR_N_BIT ? 'N' : 'n'; + buf[1] = flags & PSR_Z_BIT ? 'Z' : 'z'; + buf[2] = flags & PSR_C_BIT ? 'C' : 'c'; + buf[3] = flags & PSR_V_BIT ? 'V' : 'v'; + buf[4] = '\0'; + + printk("Flags: %s IRQs o%s FIQs o%s Mode %s%s Segment %s\n", + buf, interrupts_enabled(regs) ? "n" : "ff", fast_interrupts_enabled(regs) ? "n" : "ff", processor_modes[processor_mode(regs)], thumb_mode(regs) ? " (T)" : "", get_fs() == get_ds() ? "kernel" : "user"); -#if CONFIG_CPU_CP15 +#ifdef CONFIG_CPU_CP15 { unsigned int ctrl; - __asm__ ( - " mrc p15, 0, %0, c1, c0\n" - : "=r" (ctrl)); - printk("Control: %04X\n", ctrl); - } + + buf[0] = '\0'; #ifdef CONFIG_CPU_CP15_MMU - { - unsigned int transbase, dac; - __asm__ ( - " mrc p15, 0, %0, c2, c0\n" - " mrc p15, 0, %1, c3, c0\n" - : "=r" (transbase), "=r" (dac)); - printk("Table: %08X DAC: %08X\n", - transbase, dac); - } + { + unsigned int transbase, dac; + asm("mrc p15, 0, %0, c2, c0\n\t" + "mrc p15, 0, %1, c3, c0\n" + : "=r" (transbase), "=r" (dac)); + snprintf(buf, sizeof(buf), " Table: %08x DAC: %08x", + transbase, dac); + } #endif + asm("mrc p15, 0, %0, c1, c0\n" : "=r" (ctrl)); + + printk("Control: %08x%s\n", ctrl, buf); + } #endif } diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h index 2d0dad8c10a..ee3d93c281d 100644 --- a/include/asm-arm/ptrace.h +++ b/include/asm-arm/ptrace.h @@ -112,9 +112,6 @@ struct pt_regs { #define fast_interrupts_enabled(regs) \ (!((regs)->ARM_cpsr & PSR_F_BIT)) -#define condition_codes(regs) \ - ((regs)->ARM_cpsr & (PSR_V_BIT|PSR_C_BIT|PSR_Z_BIT|PSR_N_BIT)) - /* Are the current registers suitable for user mode? * (used to maintain security in signal handlers) */ |