diff options
Diffstat (limited to 'arch/avr32')
-rw-r--r-- | arch/avr32/kernel/entry-avr32b.S | 14 | ||||
-rw-r--r-- | arch/avr32/kernel/kprobes.c | 14 | ||||
-rw-r--r-- | arch/avr32/kernel/process.c | 4 | ||||
-rw-r--r-- | arch/avr32/kernel/ptrace.c | 34 | ||||
-rw-r--r-- | arch/avr32/kernel/traps.c | 2 |
5 files changed, 35 insertions, 33 deletions
diff --git a/arch/avr32/kernel/entry-avr32b.S b/arch/avr32/kernel/entry-avr32b.S index cc2a9b76a34..d7b93f12d8f 100644 --- a/arch/avr32/kernel/entry-avr32b.S +++ b/arch/avr32/kernel/entry-avr32b.S @@ -270,8 +270,8 @@ syscall_exit_work: lsl r3, 1 sbr r3, 30 sbr r3, 0 - mtdr DBGREG_BWA2A, r2 - mtdr DBGREG_BWC2A, r3 + mtdr OCD_BWA2A, r2 + mtdr OCD_BWC2A, r3 rjmp syscall_exit_cont @@ -521,8 +521,8 @@ fault_exit_work: lsl r3, 1 sbr r3, 30 sbr r3, 0 - mtdr DBGREG_BWA2A, r2 - mtdr DBGREG_BWC2A, r3 + mtdr OCD_BWA2A, r2 + mtdr OCD_BWC2A, r3 rjmp fault_resume_user /* If we get a debug trap from privileged context we end up here */ @@ -636,9 +636,9 @@ debug_resume_user: 3: bld r1, TIF_SINGLE_STEP brcc debug_restore_all - mfdr r2, DBGREG_DC - sbr r2, DC_SS_BIT - mtdr DBGREG_DC, r2 + mfdr r2, OCD_DC + sbr r2, OCD_DC_SS_BIT + mtdr OCD_DC, r2 rjmp debug_restore_all .set rsr_int0, SYSREG_RSR_INT0 diff --git a/arch/avr32/kernel/kprobes.c b/arch/avr32/kernel/kprobes.c index 20b1c9d8f94..799ba89b07a 100644 --- a/arch/avr32/kernel/kprobes.c +++ b/arch/avr32/kernel/kprobes.c @@ -70,9 +70,9 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) BUG_ON(!(sysreg_read(SR) & SYSREG_BIT(SR_D))); - dc = __mfdr(DBGREG_DC); - dc |= DC_SS; - __mtdr(DBGREG_DC, dc); + dc = ocd_read(DC); + dc |= 1 << OCD_DC_SS_BIT; + ocd_write(DC, dc); /* * We must run the instruction from its original location @@ -91,9 +91,9 @@ static void __kprobes resume_execution(struct kprobe *p, struct pt_regs *regs) pr_debug("resuming execution at PC=%08lx\n", regs->pc); - dc = __mfdr(DBGREG_DC); - dc &= ~DC_SS; - __mtdr(DBGREG_DC, dc); + dc = ocd_read(DC); + dc &= ~(1 << OCD_DC_SS_BIT); + ocd_write(DC, dc); *p->addr = BREAKPOINT_INSTRUCTION; flush_icache_range((unsigned long)p->addr, @@ -261,7 +261,7 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) int __init arch_init_kprobes(void) { printk("KPROBES: Enabling monitor mode (MM|DBE)...\n"); - __mtdr(DBGREG_DC, DC_MM | DC_DBE); + ocd_write(DC, (1 << OCD_DC_MM_BIT) | (1 << OCD_DC_DBE_BIT)); /* TODO: Register kretprobe trampoline */ return 0; diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index f42a1d57cc7..9d6dac8af7a 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -55,8 +55,8 @@ void machine_power_off(void) void machine_restart(char *cmd) { - __mtdr(DBGREG_DC, DC_DBE); - __mtdr(DBGREG_DC, DC_RES); + ocd_write(DC, (1 << OCD_DC_DBE_BIT)); + ocd_write(DC, (1 << OCD_DC_RES_BIT)); while (1) ; } diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c index 9e16b8a447f..0de9a6eeb5b 100644 --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel/ptrace.c @@ -159,7 +159,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) request, child->pid, addr, data); pr_debug("ptrace: Enabling monitor mode...\n"); - __mtdr(DBGREG_DC, __mfdr(DBGREG_DC) | DC_MM | DC_DBE); + ocd_write(DC, ocd_read(DC) | (1 << OCD_DC_MM_BIT) + | (1 << OCD_DC_DBE_BIT)); switch (request) { /* Read the word at location addr in the child process */ @@ -240,7 +241,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; } - pr_debug("sys_ptrace returning %d (DC = 0x%08lx)\n", ret, __mfdr(DBGREG_DC)); + pr_debug("sys_ptrace returning %d (DC = 0x%08lx)\n", + ret, ocd_read(DC)); return ret; } @@ -276,11 +278,11 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) unsigned long dc, ds; unsigned long die_val; - ds = __mfdr(DBGREG_DS); + ds = ocd_read(DS); pr_debug("do_debug_priv: pc = %08lx, ds = %08lx\n", regs->pc, ds); - if (ds & DS_SSS) + if (ds & (1 << OCD_DS_SSS_BIT)) die_val = DIE_SSTEP; else die_val = DIE_BREAKPOINT; @@ -288,14 +290,14 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) if (notify_die(die_val, "ptrace", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) return; - if (likely(ds & DS_SSS)) { + if (likely(ds & (1 << OCD_DS_SSS_BIT))) { extern void itlb_miss(void); extern void tlb_miss_common(void); struct thread_info *ti; - dc = __mfdr(DBGREG_DC); - dc &= ~DC_SS; - __mtdr(DBGREG_DC, dc); + dc = ocd_read(DC); + dc &= ~(1 << OCD_DC_SS_BIT); + ocd_write(DC, dc); ti = current_thread_info(); set_ti_thread_flag(ti, TIF_BREAKPOINT); @@ -303,8 +305,8 @@ asmlinkage void do_debug_priv(struct pt_regs *regs) /* The TLB miss handlers don't check thread flags */ if ((regs->pc >= (unsigned long)&itlb_miss) && (regs->pc <= (unsigned long)&tlb_miss_common)) { - __mtdr(DBGREG_BWA2A, sysreg_read(RAR_EX)); - __mtdr(DBGREG_BWC2A, 0x40000001 | (get_asid() << 1)); + ocd_write(BWA2A, sysreg_read(RAR_EX)); + ocd_write(BWC2A, 0x40000001 | (get_asid() << 1)); } /* @@ -329,22 +331,22 @@ asmlinkage void do_debug(struct pt_regs *regs) { unsigned long dc, ds; - ds = __mfdr(DBGREG_DS); + ds = ocd_read(DS); pr_debug("do_debug: pc = %08lx, ds = %08lx\n", regs->pc, ds); if (test_thread_flag(TIF_BREAKPOINT)) { pr_debug("TIF_BREAKPOINT set\n"); /* We're taking care of it */ clear_thread_flag(TIF_BREAKPOINT); - __mtdr(DBGREG_BWC2A, 0); + ocd_write(BWC2A, 0); } if (test_thread_flag(TIF_SINGLE_STEP)) { pr_debug("TIF_SINGLE_STEP set, ds = 0x%08lx\n", ds); - if (ds & DS_SSS) { - dc = __mfdr(DBGREG_DC); - dc &= ~DC_SS; - __mtdr(DBGREG_DC, dc); + if (ds & (1 << OCD_DS_SSS_BIT)) { + dc = ocd_read(DC); + dc &= ~(1 << OCD_DC_SS_BIT); + ocd_write(DC, dc); clear_thread_flag(TIF_SINGLE_STEP); ptrace_break(current, regs); diff --git a/arch/avr32/kernel/traps.c b/arch/avr32/kernel/traps.c index 8a7caf8e7b4..870c075e631 100644 --- a/arch/avr32/kernel/traps.c +++ b/arch/avr32/kernel/traps.c @@ -39,7 +39,7 @@ void NORET_TYPE die(const char *str, struct pt_regs *regs, long err) printk("FRAME_POINTER "); #endif if (current_cpu_data.features & AVR32_FEATURE_OCD) { - unsigned long did = __mfdr(DBGREG_DID); + unsigned long did = ocd_read(DID); printk("chip: 0x%03lx:0x%04lx rev %lu\n", (did >> 1) & 0x7ff, (did >> 12) & 0x7fff, |