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| author | Clément Léger <cleger@rivosinc.com> | 2025-03-25 11:26:14 +0100 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2025-03-27 18:16:44 +0530 |
| commit | 3ac49712e3bcfd8d64cd17511e27b7836821e41c (patch) | |
| tree | 24692dfb03dde6cf11067c9058fa99402ab1373f /include | |
| parent | b4464b22e4d3780ad73318af6091cea1d72404d1 (diff) | |
| download | opensbi-3ac49712e3bcfd8d64cd17511e27b7836821e41c.tar.gz opensbi-3ac49712e3bcfd8d64cd17511e27b7836821e41c.tar.bz2 opensbi-3ac49712e3bcfd8d64cd17511e27b7836821e41c.zip | |
lib: sbi: sse: Add support for SSTATUS.SDT
Similarly to what is done for SPELP, handle SSTATUS.SDT upon event
injection. In order to mimick an interrupt, set SDT to 1 for injection and
save its previous value in interrupted_flags[5:5]. Restore it upon
completion.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/riscv_encoding.h | 3 | ||||
| -rw-r--r-- | include/sbi/sbi_ecall_interface.h | 1 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h index 03c68a57..84d3c17b 100644 --- a/include/sbi/riscv_encoding.h +++ b/include/sbi/riscv_encoding.h @@ -32,7 +32,8 @@ #define MSTATUS_TVM _UL(0x00100000) #define MSTATUS_TW _UL(0x00200000) #define MSTATUS_TSR _UL(0x00400000) -#define MSTATUS_SPELP _UL(0x00800000) +#define MSTATUS_SPELP _UL(0x00800000) +#define MSTATUS_SDT _UL(0x01000000) #define MSTATUS32_SD _UL(0x80000000) #if __riscv_xlen == 64 #define MSTATUS_UXL _ULL(0x0000000300000000) diff --git a/include/sbi/sbi_ecall_interface.h b/include/sbi/sbi_ecall_interface.h index 6114171e..af7a05af 100644 --- a/include/sbi/sbi_ecall_interface.h +++ b/include/sbi/sbi_ecall_interface.h @@ -385,6 +385,7 @@ enum sbi_sse_attr_id { #define SBI_SSE_ATTR_INTERRUPTED_FLAGS_HSTATUS_SPV BIT(2) #define SBI_SSE_ATTR_INTERRUPTED_FLAGS_HSTATUS_SPVP BIT(3) #define SBI_SSE_ATTR_INTERRUPTED_FLAGS_SSTATUS_SPELP BIT(4) +#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_SSTATUS_SDT BIT(5) enum sbi_sse_state { SBI_SSE_STATE_UNUSED = 0, |