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authorDeng-Cheng Zhu <dengcheng.zhu@imgtec.com>2014-03-06 17:05:27 -0800
committerRalf Baechle <ralf@linux-mips.org>2014-03-11 23:10:55 +0100
commit51061b8876a3906aa5bf173582f180596f9d6455 (patch)
tree7a205930a8ae780f2d04a47865dcb4d595a0d075 /arch/mips/include/uapi
parent031365b471e3268e3b8d6991b2cf0bae6b5e8bdc (diff)
downloadop-kernel-dev-51061b8876a3906aa5bf173582f180596f9d6455.zip
op-kernel-dev-51061b8876a3906aa5bf173582f180596f9d6455.tar.gz
MIPS: math-emu: Fix prefx detection and COP1X function field definition
When running applications which contain the instruction "prefx" on FPU-less CPUs, a message "Illegal instruction" will be seen. This instruction is supposed to be ignored by the FPU emulator. However, its current detection and function field encoding are incorrect. This patch fix the issue. Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com> Reviewed-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Reviewed-by: Paul Burton <paul.burton@imgtec.com> Acked-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Cc: Steven.Hill@imgtec.com Patchwork: https://patchwork.linux-mips.org/patch/6608/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/uapi')
-rw-r--r--arch/mips/include/uapi/asm/inst.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index b39ba25..f25181b 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -163,8 +163,8 @@ enum cop1_sdw_func {
*/
enum cop1x_func {
lwxc1_op = 0x00, ldxc1_op = 0x01,
- pfetch_op = 0x07, swxc1_op = 0x08,
- sdxc1_op = 0x09, madd_s_op = 0x20,
+ swxc1_op = 0x08, sdxc1_op = 0x09,
+ pfetch_op = 0x0f, madd_s_op = 0x20,
madd_d_op = 0x21, madd_e_op = 0x22,
msub_s_op = 0x28, msub_d_op = 0x29,
msub_e_op = 0x2a, nmadd_s_op = 0x30,
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