Hi Bin,
-----Original Message----- From: U-Boot u-boot-bounces@lists.denx.de On Behalf Of Bin Meng Sent: 10 March 2020 08:05 To: Rick Chen rick@andestech.com; Anup Patel anup.patel@wdc.com; Atish Patra atish.patra@wdc.com; Lukas Auer lukas.auer@aisec.fraunhofer.de; U-Boot Mailing List <u- boot@lists.denx.de> Subject: [PATCH 3/5] riscv: 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.
This commit is inspired from Linux kernel patch: https://patchwork.kernel.org/patch/11407359/
Signed-off-by: Bin Meng bmeng.cn@gmail.com
arch/riscv/include/asm/sbi.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index fc8637c..6d3114c 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -22,6 +22,9 @@ 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 { @@ -34,6 +37,20 @@ 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,
+};
#define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
Reviewed-by: Pragnesh Patel pragnesh.patel@sifive.com
-- 2.7.4