iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

RISC-V: Add SBI v0.2 extension definitions

Browse Source 
Few v0.1 SBI calls are being replaced by new SBI calls that follows
v0.2 calling convention.

This patch just defines these new extensions.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Atish Patra 2020-03-17 18:11:36 -07:00 committed by Palmer Dabbelt
parent b9dcd9e415
commit ecbacc2a3e
No known key found for this signature in database
GPG Key ID: 2E1319F35FBB1889
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
arch/riscv/include/asm/sbi.h
View File

@ -21,6 +21,9 @@ enum sbi_ext_id {
SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7,
SBI_EXT_0_1_SHUTDOWN = 0x8,
SBI_EXT_BASE = 0x10,
SBI_EXT_TIME = 0x54494D45,
SBI_EXT_IPI = 0x735049,
SBI_EXT_RFENCE = 0x52464E43,
};
enum sbi_ext_base_fid {
@ -33,6 +36,24 @@ enum sbi_ext_base_fid {
SBI_EXT_BASE_GET_MIMPID,
};
enum sbi_ext_time_fid {
SBI_EXT_TIME_SET_TIMER = 0,
};
enum sbi_ext_ipi_fid {
SBI_EXT_IPI_SEND_IPI = 0,
};
enum sbi_ext_rfence_fid {
SBI_EXT_RFENCE_REMOTE_FENCE_I = 0,
SBI_EXT_RFENCE_REMOTE_SFENCE_VMA,
SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID,
SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID,
SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID,
};
#define SBI_SPEC_VERSION_DEFAULT 0x1
#define SBI_SPEC_VERSION_MAJOR_SHIFT 24
#define SBI_SPEC_VERSION_MAJOR_MASK 0x7f