diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2014-05-12 17:04:06 +0530 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2014-05-30 14:26:25 +0200 |
| commit | ddca156ae6bafc0c6af61805bfe4b37440448a4c (patch) | |
| tree | dca98cfc431c64d2b5a5a5b68e6f53df3a27f1c3 /arch/powerpc/kernel/align.c | |
| parent | 7310f3a5b0ecc7ac8b57e70fe395968cbe0fc40a (diff) | |
KVM: PPC: BOOK3S: Remove open coded make_dsisr in alignment handler
Use make_dsisr instead of open coding it. This also have
the added benefit of handling alignment interrupt on additional
instructions.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kernel/align.c')
| -rw-r--r-- | arch/powerpc/kernel/align.c | 34 |
1 files changed, 1 insertions, 33 deletions
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 94908af308d..34f55524d45 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -25,14 +25,13 @@ #include <asm/cputable.h> #include <asm/emulated_ops.h> #include <asm/switch_to.h> +#include <asm/disassemble.h> struct aligninfo { unsigned char len; unsigned char flags; }; -#define IS_XFORM(inst) (((inst) >> 26) == 31) -#define IS_DSFORM(inst) (((inst) >> 26) >= 56) #define INVALID { 0, 0 } @@ -192,37 +191,6 @@ static struct aligninfo aligninfo[128] = { }; /* - * Create a DSISR value from the instruction - */ -static inline unsigned make_dsisr(unsigned instr) -{ - unsigned dsisr; - - - /* bits 6:15 --> 22:31 */ - dsisr = (instr & 0x03ff0000) >> 16; - - if (IS_XFORM(instr)) { - /* bits 29:30 --> 15:16 */ - dsisr |= (instr & 0x00000006) << 14; - /* bit 25 --> 17 */ - dsisr |= (instr & 0x00000040) << 8; - /* bits 21:24 --> 18:21 */ - dsisr |= (instr & 0x00000780) << 3; - } else { - /* bit 5 --> 17 */ - dsisr |= (instr & 0x04000000) >> 12; - /* bits 1: 4 --> 18:21 */ - dsisr |= (instr & 0x78000000) >> 17; - /* bits 30:31 --> 12:13 */ - if (IS_DSFORM(instr)) - dsisr |= (instr & 0x00000003) << 18; - } - - return dsisr; -} - -/* * The dcbz (data cache block zero) instruction * gives an alignment fault if used on non-cacheable * memory. We handle the fault mainly for the |