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microblaze: Separate GP registers from MSR handling

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Separate general purpose register restoring from MSR handling.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek
2016-02-24 11:31:14 +01:00
parent e16f1ad442
commit faf154cd49
1 changed files with 6 additions and 3 deletions
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9
arch/microblaze/kernel/entry.S
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@@ -208,9 +208,7 @@ syscall_debug_table:
mfs r11, rmsr; /* save MSR */ \ mfs r11, rmsr; /* save MSR */ \
swi r11, r1, PT_MSR; swi r11, r1, PT_MSR;
#define RESTORE_REGS \ #define RESTORE_REGS_GP \
lwi r11, r1, PT_MSR; \
mts rmsr , r11; \
lwi r2, r1, PT_R2; /* restore SDA */ \ lwi r2, r1, PT_R2; /* restore SDA */ \
lwi r3, r1, PT_R3; \ lwi r3, r1, PT_R3; \
lwi r4, r1, PT_R4; \ lwi r4, r1, PT_R4; \
@@ -242,6 +240,11 @@ syscall_debug_table:
lwi r30, r1, PT_R30; \ lwi r30, r1, PT_R30; \
lwi r31, r1, PT_R31; /* Restore cur task reg */ lwi r31, r1, PT_R31; /* Restore cur task reg */
#define RESTORE_REGS \
lwi r11, r1, PT_MSR; \
mts rmsr , r11; \
RESTORE_REGS_GP
#define SAVE_STATE \ #define SAVE_STATE \
swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \ swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \
/* See if already in kernel mode.*/ \ /* See if already in kernel mode.*/ \