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| author | WangHuachen <[email protected]> | 2020-11-08 19:30:50 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-11-08 19:30:50 +0800 |
| commit | 9756c77f0447f9ce4f00a37600298a1f1fd90cda (patch) | |
| tree | 093247a1719c087dba33783be3a4ee44c1026b2d /libcpu/mips/common/stackframe.h | |
| parent | 9545529b33cbaae137f1e389dd0e3a5233d516da (diff) | |
| parent | 4b2b9a87c6f0a87b125e5c5a18bcfcf663de9fbb (diff) | |
Merge pull request #1 from RT-Thread/master
同步原有仓库
Diffstat (limited to 'libcpu/mips/common/stackframe.h')
| -rw-r--r-- | libcpu/mips/common/stackframe.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/libcpu/mips/common/stackframe.h b/libcpu/mips/common/stackframe.h index 258f9a994f..bb92a18c9c 100644 --- a/libcpu/mips/common/stackframe.h +++ b/libcpu/mips/common/stackframe.h @@ -22,7 +22,9 @@ #ifdef RT_USING_FPU /* Ensure CU1 (FPU) is enabled */ MFC0 v1, CP0_STATUS - ori v1, ST0_CU1 + lui t1, %hi(ST0_CU1) + addiu t1, t1, %lo(ST0_CU1) + or v1, v1, t1 MTC0 v1, CP0_STATUS SSNOP cfc1 v1, fcr31 @@ -125,11 +127,13 @@ #ifdef RT_USING_FPU /* Ensure CU1 (FPU) is enabled */ MFC0 v1, CP0_STATUS - ori v1, ST0_CU1 + lui t1, %hi(ST0_CU1) + addiu t1, t1, %lo(ST0_CU1) + or v1, v1, t1 MTC0 v1, CP0_STATUS SSNOP LONG_L v1, PT_FPU_FCSR31(sp) - ctc1 v1, fcsr31 + ctc1 v1, fcr31 l.d $f0, PT_FPU_R0(sp) l.d $f2, PT_FPU_R2(sp) l.d $f4, PT_FPU_R4(sp) @@ -202,6 +206,8 @@ li v1, ~(ST0_CU1 | ST0_FR | ST0_IM) and v0, v1 or v0, a0 + li v1, (ST0_KX | ST0_SX | ST0_UX) + or v0, v1 mtc0 v0, CP0_STATUS LONG_L v1, PT_EPC(sp) MTC0 v1, CP0_EPC |