@@ -11,6 +11,9 @@
#define SBI_ERR_ALREADY_AVAILABLE -6
#define SBI_ERR_ALREADY_STARTED -7
#define SBI_ERR_ALREADY_STOPPED -8
+#define SBI_ERR_NO_SHMEM -9
+#define SBI_ERR_INVALID_STATE -10
+#define SBI_ERR_BAD_RANGE -11
#ifndef __ASSEMBLY__
@@ -18,6 +21,7 @@ enum sbi_ext_id {
SBI_EXT_BASE = 0x10,
SBI_EXT_HSM = 0x48534d,
SBI_EXT_SRST = 0x53525354,
+ SBI_EXT_SSE = 0x535345,
};
enum sbi_ext_base_fid {
@@ -37,6 +41,78 @@ enum sbi_ext_hsm_fid {
SBI_EXT_HSM_HART_SUSPEND,
};
+/* SBI Function IDs for SSE extension */
+#define SBI_EXT_SSE_READ_ATTR 0x00000000
+#define SBI_EXT_SSE_WRITE_ATTR 0x00000001
+#define SBI_EXT_SSE_REGISTER 0x00000002
+#define SBI_EXT_SSE_UNREGISTER 0x00000003
+#define SBI_EXT_SSE_ENABLE 0x00000004
+#define SBI_EXT_SSE_DISABLE 0x00000005
+#define SBI_EXT_SSE_COMPLETE 0x00000006
+#define SBI_EXT_SSE_INJECT 0x00000007
+
+/* SBI SSE Event Attributes. */
+enum sbi_sse_attr_id {
+ SBI_SSE_ATTR_STATUS = 0x00000000,
+ SBI_SSE_ATTR_PRIO = 0x00000001,
+ SBI_SSE_ATTR_CONFIG = 0x00000002,
+ SBI_SSE_ATTR_PREFERRED_HART = 0x00000003,
+ SBI_SSE_ATTR_ENTRY_PC = 0x00000004,
+ SBI_SSE_ATTR_ENTRY_ARG = 0x00000005,
+ SBI_SSE_ATTR_INTERRUPTED_SEPC = 0x00000006,
+ SBI_SSE_ATTR_INTERRUPTED_FLAGS = 0x00000007,
+ SBI_SSE_ATTR_INTERRUPTED_A6 = 0x00000008,
+ SBI_SSE_ATTR_INTERRUPTED_A7 = 0x00000009,
+};
+
+#define SBI_SSE_ATTR_STATUS_STATE_OFFSET 0
+#define SBI_SSE_ATTR_STATUS_STATE_MASK 0x3
+#define SBI_SSE_ATTR_STATUS_PENDING_OFFSET 2
+#define SBI_SSE_ATTR_STATUS_INJECT_OFFSET 3
+
+#define SBI_SSE_ATTR_CONFIG_ONESHOT (1 << 0)
+
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_STATUS_SPP BIT(0)
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_STATUS_SPIE BIT(1)
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_HSTATUS_SPV BIT(2)
+#define SBI_SSE_ATTR_INTERRUPTED_FLAGS_HSTATUS_SPVP BIT(3)
+
+enum sbi_sse_state {
+ SBI_SSE_STATE_UNUSED = 0,
+ SBI_SSE_STATE_REGISTERED = 1,
+ SBI_SSE_STATE_ENABLED = 2,
+ SBI_SSE_STATE_RUNNING = 3,
+};
+
+/* SBI SSE Event IDs. */
+#define SBI_SSE_EVENT_LOCAL_RAS 0x00000000
+#define SBI_SSE_EVENT_LOCAL_PLAT_0_START 0x00004000
+#define SBI_SSE_EVENT_LOCAL_PLAT_0_END 0x00007fff
+#define SBI_SSE_EVENT_GLOBAL_RAS 0x00008000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_0_START 0x00004000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_0_END 0x00007fff
+
+#define SBI_SSE_EVENT_LOCAL_PMU 0x00010000
+#define SBI_SSE_EVENT_LOCAL_PLAT_1_START 0x00014000
+#define SBI_SSE_EVENT_LOCAL_PLAT_1_END 0x00017fff
+#define SBI_SSE_EVENT_GLOBAL_PLAT_1_START 0x0001c000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_1_END 0x0001ffff
+
+#define SBI_SSE_EVENT_LOCAL_PLAT_2_START 0x00024000
+#define SBI_SSE_EVENT_LOCAL_PLAT_2_END 0x00027fff
+#define SBI_SSE_EVENT_GLOBAL_PLAT_2_START 0x0002c000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_2_END 0x0002ffff
+
+#define SBI_SSE_EVENT_LOCAL_SOFTWARE 0xffff0000
+#define SBI_SSE_EVENT_LOCAL_PLAT_3_START 0xffff4000
+#define SBI_SSE_EVENT_LOCAL_PLAT_3_END 0xffff7fff
+#define SBI_SSE_EVENT_GLOBAL_SOFTWARE 0xffff8000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_3_START 0xffffc000
+#define SBI_SSE_EVENT_GLOBAL_PLAT_3_END 0xffffffff
+
+#define SBI_SSE_EVENT_GLOBAL_BIT (1 << 15)
+#define SBI_SSE_EVENT_PLATFORM_BIT (1 << 14)
+
struct sbiret {
long error;
long value;
Add SBI SSE extension definitions in sbi.h Signed-off-by: Clément Léger <cleger@rivosinc.com> --- lib/riscv/asm/sbi.h | 76 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+)