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RISC-V: Add SBI v0.2 extension definitions 

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
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1 changed files with 21 additions and 0 deletions
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21
arch/riscv/include/asm/sbi.h
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@ -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