summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAnup Patel <apatel@ventanamicro.com>2021-04-05 14:43:20 +0300
committerAnup Patel <anup@brainfault.org>2022-02-15 18:02:07 +0300
commit01250d00447d3838e31c1fc67ce3acb1dd6b2682 (patch)
tree40fb05660eb1b7c4a4693fdbf3027c8307584d99
parentce4c0188d96b2c20c2e08d24646a5e517fe15a4b (diff)
downloadopensbi-01250d00447d3838e31c1fc67ce3acb1dd6b2682.tar.xz
include: sbi: Add AIA related CSR defines
The RISC-V AIA specification improves handling of per-HART local interrupts in a backward compatible manner. This patch adds defines for the new RISC-V AIA CSRs. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Atish Patra <atishp@rivosinc.com>
-rw-r--r--include/sbi/riscv_encoding.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
index ac8590d..574d1c3 100644
--- a/include/sbi/riscv_encoding.h
+++ b/include/sbi/riscv_encoding.h
@@ -173,6 +173,10 @@
#define HGATP_MODE_SHIFT HGATP32_MODE_SHIFT
#endif
+#define TOPI_IID_SHIFT 16
+#define TOPI_IID_MASK 0xfff
+#define TOPI_IPRIO_MASK 0xff
+
#if __riscv_xlen == 64
#define MHPMEVENT_OF (_UL(1) << 63)
#define MHPMEVENT_MINH (_UL(1) << 62)
@@ -304,6 +308,24 @@
/* Supervisor Protection and Translation */
#define CSR_SATP 0x180
+/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */
+#define CSR_SISELECT 0x150
+#define CSR_SIREG 0x151
+
+/* Supervisor-Level Interrupts (AIA) */
+#define CSR_STOPI 0xdb0
+
+/* Supervisor-Level IMSIC Interface (AIA) */
+#define CSR_SSETEIPNUM 0x158
+#define CSR_SCLREIPNUM 0x159
+#define CSR_SSETEIENUM 0x15a
+#define CSR_SCLREIENUM 0x15b
+#define CSR_STOPEI 0x15c
+
+/* Supervisor-Level High-Half CSRs (AIA) */
+#define CSR_SIEH 0x114
+#define CSR_SIPH 0x154
+
/* ===== Hypervisor-level CSRs ===== */
/* Hypervisor Trap Setup (H-extension) */
@@ -339,6 +361,35 @@
#define CSR_VSIP 0x244
#define CSR_VSATP 0x280
+/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */
+#define CSR_HVIEN 0x608
+#define CSR_HVICTL 0x609
+#define CSR_HVIPRIO1 0x646
+#define CSR_HVIPRIO2 0x647
+
+/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */
+#define CSR_VSISELECT 0x250
+#define CSR_VSIREG 0x251
+
+/* VS-Level Interrupts (H-extension with AIA) */
+#define CSR_VSTOPI 0xeb0
+
+/* VS-Level IMSIC Interface (H-extension with AIA) */
+#define CSR_VSSETEIPNUM 0x258
+#define CSR_VSCLREIPNUM 0x259
+#define CSR_VSSETEIENUM 0x25a
+#define CSR_VSCLREIENUM 0x25b
+#define CSR_VSTOPEI 0x25c
+
+/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */
+#define CSR_HIDELEGH 0x613
+#define CSR_HVIENH 0x618
+#define CSR_HVIPH 0x655
+#define CSR_HVIPRIO1H 0x656
+#define CSR_HVIPRIO2H 0x657
+#define CSR_VSIEH 0x214
+#define CSR_VSIPH 0x254
+
/* ===== Machine-level CSRs ===== */
/* Machine Information Registers */
@@ -590,6 +641,31 @@
#define CSR_DSCRATCH0 0x7b2
#define CSR_DSCRATCH1 0x7b3
+/* Machine-Level Window to Indirectly Accessed Registers (AIA) */
+#define CSR_MISELECT 0x350
+#define CSR_MIREG 0x351
+
+/* Machine-Level Interrupts (AIA) */
+#define CSR_MTOPI 0xfb0
+
+/* Machine-Level IMSIC Interface (AIA) */
+#define CSR_MSETEIPNUM 0x358
+#define CSR_MCLREIPNUM 0x359
+#define CSR_MSETEIENUM 0x35a
+#define CSR_MCLREIENUM 0x35b
+#define CSR_MTOPEI 0x35c
+
+/* Virtual Interrupts for Supervisor Level (AIA) */
+#define CSR_MVIEN 0x308
+#define CSR_MVIP 0x309
+
+/* Machine-Level High-Half CSRs (AIA) */
+#define CSR_MIDELEGH 0x313
+#define CSR_MIEH 0x314
+#define CSR_MVIENH 0x318
+#define CSR_MVIPH 0x319
+#define CSR_MIPH 0x354
+
/* ===== Trap/Exception Causes ===== */
#define CAUSE_MISALIGNED_FETCH 0x0