RISC-V: Add SBI v0.2 extension definitions (ecbacc2a) · Commits · 戴 / test

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>

arch/riscv/include/asm/sbi.h

+21 −0

Original line number	Diff line number	Diff line
		@@ -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

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