[PATCH v2 1/8] RISC-V: Add defines for SBI debug console extension
From: Anup Patel <hidden>
Date: 2023-10-12 05:15:36
Also in:
kvm, kvm-riscv, linux-riscv, linux-serial, lkml
Subsystem:
risc-v architecture, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
We add SBI debug console extension related defines/enum to the asm/sbi.h header. Signed-off-by: Anup Patel <redacted> --- arch/riscv/include/asm/sbi.h | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 5b4a1bf5f439..12dfda6bb924 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h@@ -30,6 +30,7 @@ enum sbi_ext_id { SBI_EXT_HSM = 0x48534D, SBI_EXT_SRST = 0x53525354, SBI_EXT_PMU = 0x504D55, + SBI_EXT_DBCN = 0x4442434E, /* Experimentals extensions must lie within this range */ SBI_EXT_EXPERIMENTAL_START = 0x08000000,
@@ -236,6 +237,12 @@ enum sbi_pmu_ctr_type { /* Flags defined for counter stop function */ #define SBI_PMU_STOP_FLAG_RESET (1 << 0) +enum sbi_ext_dbcn_fid { + SBI_EXT_DBCN_CONSOLE_WRITE = 0, + SBI_EXT_DBCN_CONSOLE_READ = 1, + SBI_EXT_DBCN_CONSOLE_WRITE_BYTE = 2, +}; + #define SBI_SPEC_VERSION_DEFAULT 0x1 #define SBI_SPEC_VERSION_MAJOR_SHIFT 24 #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f
--
2.34.1