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authorMichael Trimarchi <trimarchi@gandalf.sssup.it>2009-04-03 17:32:33 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-04-04 11:48:11 -0400
commit01ab10393c510342ec4ce85df11ccfa3df06bbb2 (patch)
treeebf0493fa7b53941f830f8b300037f834eb85e59 /arch/sh/include/asm/ptrace.h
parenta27873cd234b4248dda342721d6262943e5fa235 (diff)
sh: Fix up DSP context save/restore.
There were a number of issues with the DSP context save/restore code, mostly left-over relics from when it was introduced on SH3-DSP with little follow-up testing, resulting in things like task_pt_dspregs() referencing incorrect state on the stack. This follows the MIPS convention of tracking the DSP state in the thread_struct and handling the state save/restore in switch_to() and finish_arch_switch() respectively. The regset interface is also updated, which allows us to finally be rid of task_pt_dspregs() and the special cased task_pt_regs(). Signed-off-by: Michael Trimarchi <michael@evidence.eu.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/ptrace.h')
-rw-r--r--arch/sh/include/asm/ptrace.h8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index 81c6568fdb3..d3f6caa936b 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -119,16 +119,8 @@ struct task_struct;
extern void user_enable_single_step(struct task_struct *);
extern void user_disable_single_step(struct task_struct *);
-#ifdef CONFIG_SH_DSP
-#define task_pt_regs(task) \
- ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
- - sizeof(struct pt_dspregs)) - 1)
-#define task_pt_dspregs(task) \
- ((struct pt_dspregs *) (task_stack_page(task) + THREAD_SIZE) - 1)
-#else
#define task_pt_regs(task) \
((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE) - 1)
-#endif
static inline unsigned long profile_pc(struct pt_regs *regs)
{