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Diffstat (limited to 'arch/avr32/kernel/ptrace.c')
-rw-r--r--arch/avr32/kernel/ptrace.c34
1 files changed, 18 insertions, 16 deletions
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);