[PATCH v2 1/8] RISC-V: Add defines for SBI debug console extension

Anup Patel
2023-10-12T05:15:36Z

We add SBI debug console extension related defines/enum to the
asm/sbi.h header.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
---
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