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| author | Tianrui Zhao <zhaotianrui@loongson.cn> | 2023-10-02 10:01:28 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-10-02 10:01:28 +0800 |
| commit | 81efe043a35113ec1352f6eb2b954d02aac368db (patch) | |
| tree | 4d8e89bb110cf101886b4db07f76f5b2251c02ff /arch/loongarch/include/asm/inst.h | |
| parent | da50f5a693ff55ef367a4c5c9145f0bfea3e476d (diff) | |
| download | lwn-81efe043a35113ec1352f6eb2b954d02aac368db.tar.gz lwn-81efe043a35113ec1352f6eb2b954d02aac368db.zip | |
LoongArch: KVM: Implement handle iocsr exception
Implement kvm handle vcpu iocsr exception, setting the iocsr info into
vcpu_run and return to user space to handle it.
Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Tested-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch/include/asm/inst.h')
| -rw-r--r-- | arch/loongarch/include/asm/inst.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/inst.h b/arch/loongarch/include/asm/inst.h index 71e1ed4165c8..008a88ead60d 100644 --- a/arch/loongarch/include/asm/inst.h +++ b/arch/loongarch/include/asm/inst.h @@ -65,6 +65,14 @@ enum reg2_op { revbd_op = 0x0f, revh2w_op = 0x10, revhd_op = 0x11, + iocsrrdb_op = 0x19200, + iocsrrdh_op = 0x19201, + iocsrrdw_op = 0x19202, + iocsrrdd_op = 0x19203, + iocsrwrb_op = 0x19204, + iocsrwrh_op = 0x19205, + iocsrwrw_op = 0x19206, + iocsrwrd_op = 0x19207, }; enum reg2i5_op { @@ -318,6 +326,13 @@ struct reg2bstrd_format { unsigned int opcode : 10; }; +struct reg2csr_format { + unsigned int rd : 5; + unsigned int rj : 5; + unsigned int csr : 14; + unsigned int opcode : 8; +}; + struct reg3_format { unsigned int rd : 5; unsigned int rj : 5; @@ -346,6 +361,7 @@ union loongarch_instruction { struct reg2i14_format reg2i14_format; struct reg2i16_format reg2i16_format; struct reg2bstrd_format reg2bstrd_format; + struct reg2csr_format reg2csr_format; struct reg3_format reg3_format; struct reg3sa2_format reg3sa2_format; }; |