[PATCH v3 4/5] include: sbi: Few cosmetic changes in riscv_encoding.h
Anup Patel
anup.patel at wdc.com
Thu Aug 27 23:40:11 EDT 2020
This patch does following cosmentic changes to riscv_encoding.h:
1. Re-organize CSR defines to match CSR listing in latest RISC-V
privilege spec
2. Rename CSR_HCOUNTERNEN to CSR_HCOUNTEREN
Signed-off-by: Anup Patel <anup.patel at wdc.com>
---
include/sbi/riscv_encoding.h | 226 +++++++++++++++++++++--------------
1 file changed, 139 insertions(+), 87 deletions(-)
diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
index 073261f..ccd2c69 100644
--- a/include/sbi/riscv_encoding.h
+++ b/include/sbi/riscv_encoding.h
@@ -171,18 +171,27 @@
#define HGATP_MODE_SHIFT HGATP32_MODE_SHIFT
#endif
-#define CSR_USTATUS 0x0
-#define CSR_FFLAGS 0x1
-#define CSR_FRM 0x2
-#define CSR_FCSR 0x3
+/* ===== User-level CSRs ===== */
+
+/* User Trap Setup (N-extension) */
+#define CSR_USTATUS 0x000
+#define CSR_UIE 0x004
+#define CSR_UTVEC 0x005
+
+/* User Trap Handling (N-extension) */
+#define CSR_USCRATCH 0x040
+#define CSR_UEPC 0x041
+#define CSR_UCAUSE 0x042
+#define CSR_UTVAL 0x043
+#define CSR_UIP 0x044
+
+/* User Floating-point CSRs */
+#define CSR_FFLAGS 0x001
+#define CSR_FRM 0x002
+#define CSR_FCSR 0x003
+
+/* User Counters/Timers */
#define CSR_CYCLE 0xc00
-#define CSR_UIE 0x4
-#define CSR_UTVEC 0x5
-#define CSR_USCRATCH 0x40
-#define CSR_UEPC 0x41
-#define CSR_UCAUSE 0x42
-#define CSR_UTVAL 0x43
-#define CSR_UIP 0x44
#define CSR_TIME 0xc01
#define CSR_INSTRET 0xc02
#define CSR_HPMCOUNTER3 0xc03
@@ -214,31 +223,84 @@
#define CSR_HPMCOUNTER29 0xc1d
#define CSR_HPMCOUNTER30 0xc1e
#define CSR_HPMCOUNTER31 0xc1f
+#define CSR_CYCLEH 0xc80
+#define CSR_TIMEH 0xc81
+#define CSR_INSTRETH 0xc82
+#define CSR_HPMCOUNTER3H 0xc83
+#define CSR_HPMCOUNTER4H 0xc84
+#define CSR_HPMCOUNTER5H 0xc85
+#define CSR_HPMCOUNTER6H 0xc86
+#define CSR_HPMCOUNTER7H 0xc87
+#define CSR_HPMCOUNTER8H 0xc88
+#define CSR_HPMCOUNTER9H 0xc89
+#define CSR_HPMCOUNTER10H 0xc8a
+#define CSR_HPMCOUNTER11H 0xc8b
+#define CSR_HPMCOUNTER12H 0xc8c
+#define CSR_HPMCOUNTER13H 0xc8d
+#define CSR_HPMCOUNTER14H 0xc8e
+#define CSR_HPMCOUNTER15H 0xc8f
+#define CSR_HPMCOUNTER16H 0xc90
+#define CSR_HPMCOUNTER17H 0xc91
+#define CSR_HPMCOUNTER18H 0xc92
+#define CSR_HPMCOUNTER19H 0xc93
+#define CSR_HPMCOUNTER20H 0xc94
+#define CSR_HPMCOUNTER21H 0xc95
+#define CSR_HPMCOUNTER22H 0xc96
+#define CSR_HPMCOUNTER23H 0xc97
+#define CSR_HPMCOUNTER24H 0xc98
+#define CSR_HPMCOUNTER25H 0xc99
+#define CSR_HPMCOUNTER26H 0xc9a
+#define CSR_HPMCOUNTER27H 0xc9b
+#define CSR_HPMCOUNTER28H 0xc9c
+#define CSR_HPMCOUNTER29H 0xc9d
+#define CSR_HPMCOUNTER30H 0xc9e
+#define CSR_HPMCOUNTER31H 0xc9f
+
+/* ===== Supervisor-level CSRs ===== */
+
+/* Supervisor Trap Setup */
#define CSR_SSTATUS 0x100
+#define CSR_SEDELEG 0x102
+#define CSR_SIDELEG 0x103
#define CSR_SIE 0x104
#define CSR_STVEC 0x105
#define CSR_SCOUNTEREN 0x106
+
+/* Supervisor Trap Handling */
#define CSR_SSCRATCH 0x140
#define CSR_SEPC 0x141
#define CSR_SCAUSE 0x142
#define CSR_STVAL 0x143
#define CSR_SIP 0x144
+
+/* Supervisor Protection and Translation */
#define CSR_SATP 0x180
+/* ===== Hypervisor-level CSRs ===== */
+
+/* Hypervisor Trap Setup (H-extension) */
#define CSR_HSTATUS 0x600
#define CSR_HEDELEG 0x602
#define CSR_HIDELEG 0x603
#define CSR_HIE 0x604
-#define CSR_HTIMEDELTA 0x605
-#define CSR_HTIMEDELTAH 0x615
-#define CSR_HCOUNTERNEN 0x606
+#define CSR_HCOUNTEREN 0x606
#define CSR_HGEIE 0x607
+
+/* Hypervisor Trap Handling (H-extension) */
#define CSR_HTVAL 0x643
#define CSR_HIP 0x644
+#define CSR_HVIP 0x645
#define CSR_HTINST 0x64a
+#define CSR_HGEIP 0xe12
+
+/* Hypervisor Protection and Translation (H-extension) */
#define CSR_HGATP 0x680
-#define CSR_HGEIP 0xe07
+/* Hypervisor Counter/Timer Virtualization Registers (H-extension) */
+#define CSR_HTIMEDELTA 0x605
+#define CSR_HTIMEDELTAH 0x615
+
+/* Virtual Supervisor Registers (H-extension) */
#define CSR_VSSTATUS 0x200
#define CSR_VSIE 0x204
#define CSR_VSTVEC 0x205
@@ -249,6 +311,15 @@
#define CSR_VSIP 0x244
#define CSR_VSATP 0x280
+/* ===== Machine-level CSRs ===== */
+
+/* Machine Information Registers */
+#define CSR_MVENDORID 0xf11
+#define CSR_MARCHID 0xf12
+#define CSR_MIMPID 0xf13
+#define CSR_MHARTID 0xf14
+
+/* Machine Trap Setup */
#define CSR_MSTATUS 0x300
#define CSR_MISA 0x301
#define CSR_MEDELEG 0x302
@@ -257,6 +328,8 @@
#define CSR_MTVEC 0x305
#define CSR_MCOUNTEREN 0x306
#define CSR_MSTATUSH 0x310
+
+/* Machine Trap Handling */
#define CSR_MSCRATCH 0x340
#define CSR_MEPC 0x341
#define CSR_MCAUSE 0x342
@@ -264,6 +337,8 @@
#define CSR_MIP 0x344
#define CSR_MTINST 0x34a
#define CSR_MTVAL2 0x34b
+
+/* Machine Memory Protection */
#define CSR_PMPCFG0 0x3a0
#define CSR_PMPCFG1 0x3a1
#define CSR_PMPCFG2 0x3a2
@@ -344,14 +419,8 @@
#define CSR_PMPADDR61 0x3ed
#define CSR_PMPADDR62 0x3ee
#define CSR_PMPADDR63 0x3ef
-#define CSR_TSELECT 0x7a0
-#define CSR_TDATA1 0x7a1
-#define CSR_TDATA2 0x7a2
-#define CSR_TDATA3 0x7a3
-#define CSR_DCSR 0x7b0
-#define CSR_DPC 0x7b1
-#define CSR_DSCRATCH 0x7b2
+/* Machine Counters/Timers */
#define CSR_MCYCLE 0xb00
#define CSR_MINSTRET 0xb02
#define CSR_MHPMCOUNTER3 0xb03
@@ -383,71 +452,6 @@
#define CSR_MHPMCOUNTER29 0xb1d
#define CSR_MHPMCOUNTER30 0xb1e
#define CSR_MHPMCOUNTER31 0xb1f
-#define CSR_MHPMEVENT3 0x323
-#define CSR_MHPMEVENT4 0x324
-#define CSR_MHPMEVENT5 0x325
-#define CSR_MHPMEVENT6 0x326
-#define CSR_MHPMEVENT7 0x327
-#define CSR_MHPMEVENT8 0x328
-#define CSR_MHPMEVENT9 0x329
-#define CSR_MHPMEVENT10 0x32a
-#define CSR_MHPMEVENT11 0x32b
-#define CSR_MHPMEVENT12 0x32c
-#define CSR_MHPMEVENT13 0x32d
-#define CSR_MHPMEVENT14 0x32e
-#define CSR_MHPMEVENT15 0x32f
-#define CSR_MHPMEVENT16 0x330
-#define CSR_MHPMEVENT17 0x331
-#define CSR_MHPMEVENT18 0x332
-#define CSR_MHPMEVENT19 0x333
-#define CSR_MHPMEVENT20 0x334
-#define CSR_MHPMEVENT21 0x335
-#define CSR_MHPMEVENT22 0x336
-#define CSR_MHPMEVENT23 0x337
-#define CSR_MHPMEVENT24 0x338
-#define CSR_MHPMEVENT25 0x339
-#define CSR_MHPMEVENT26 0x33a
-#define CSR_MHPMEVENT27 0x33b
-#define CSR_MHPMEVENT28 0x33c
-#define CSR_MHPMEVENT29 0x33d
-#define CSR_MHPMEVENT30 0x33e
-#define CSR_MHPMEVENT31 0x33f
-#define CSR_MVENDORID 0xf11
-#define CSR_MARCHID 0xf12
-#define CSR_MIMPID 0xf13
-#define CSR_MHARTID 0xf14
-#define CSR_CYCLEH 0xc80
-#define CSR_TIMEH 0xc81
-#define CSR_INSTRETH 0xc82
-#define CSR_HPMCOUNTER3H 0xc83
-#define CSR_HPMCOUNTER4H 0xc84
-#define CSR_HPMCOUNTER5H 0xc85
-#define CSR_HPMCOUNTER6H 0xc86
-#define CSR_HPMCOUNTER7H 0xc87
-#define CSR_HPMCOUNTER8H 0xc88
-#define CSR_HPMCOUNTER9H 0xc89
-#define CSR_HPMCOUNTER10H 0xc8a
-#define CSR_HPMCOUNTER11H 0xc8b
-#define CSR_HPMCOUNTER12H 0xc8c
-#define CSR_HPMCOUNTER13H 0xc8d
-#define CSR_HPMCOUNTER14H 0xc8e
-#define CSR_HPMCOUNTER15H 0xc8f
-#define CSR_HPMCOUNTER16H 0xc90
-#define CSR_HPMCOUNTER17H 0xc91
-#define CSR_HPMCOUNTER18H 0xc92
-#define CSR_HPMCOUNTER19H 0xc93
-#define CSR_HPMCOUNTER20H 0xc94
-#define CSR_HPMCOUNTER21H 0xc95
-#define CSR_HPMCOUNTER22H 0xc96
-#define CSR_HPMCOUNTER23H 0xc97
-#define CSR_HPMCOUNTER24H 0xc98
-#define CSR_HPMCOUNTER25H 0xc99
-#define CSR_HPMCOUNTER26H 0xc9a
-#define CSR_HPMCOUNTER27H 0xc9b
-#define CSR_HPMCOUNTER28H 0xc9c
-#define CSR_HPMCOUNTER29H 0xc9d
-#define CSR_HPMCOUNTER30H 0xc9e
-#define CSR_HPMCOUNTER31H 0xc9f
#define CSR_MCYCLEH 0xb80
#define CSR_MINSTRETH 0xb82
#define CSR_MHPMCOUNTER3H 0xb83
@@ -480,6 +484,52 @@
#define CSR_MHPMCOUNTER30H 0xb9e
#define CSR_MHPMCOUNTER31H 0xb9f
+/* Machine Counter Setup */
+#define CSR_MCOUNTINHIBIT 0x320
+#define CSR_MHPMEVENT3 0x323
+#define CSR_MHPMEVENT4 0x324
+#define CSR_MHPMEVENT5 0x325
+#define CSR_MHPMEVENT6 0x326
+#define CSR_MHPMEVENT7 0x327
+#define CSR_MHPMEVENT8 0x328
+#define CSR_MHPMEVENT9 0x329
+#define CSR_MHPMEVENT10 0x32a
+#define CSR_MHPMEVENT11 0x32b
+#define CSR_MHPMEVENT12 0x32c
+#define CSR_MHPMEVENT13 0x32d
+#define CSR_MHPMEVENT14 0x32e
+#define CSR_MHPMEVENT15 0x32f
+#define CSR_MHPMEVENT16 0x330
+#define CSR_MHPMEVENT17 0x331
+#define CSR_MHPMEVENT18 0x332
+#define CSR_MHPMEVENT19 0x333
+#define CSR_MHPMEVENT20 0x334
+#define CSR_MHPMEVENT21 0x335
+#define CSR_MHPMEVENT22 0x336
+#define CSR_MHPMEVENT23 0x337
+#define CSR_MHPMEVENT24 0x338
+#define CSR_MHPMEVENT25 0x339
+#define CSR_MHPMEVENT26 0x33a
+#define CSR_MHPMEVENT27 0x33b
+#define CSR_MHPMEVENT28 0x33c
+#define CSR_MHPMEVENT29 0x33d
+#define CSR_MHPMEVENT30 0x33e
+#define CSR_MHPMEVENT31 0x33f
+
+/* Debug/Trace Registers */
+#define CSR_TSELECT 0x7a0
+#define CSR_TDATA1 0x7a1
+#define CSR_TDATA2 0x7a2
+#define CSR_TDATA3 0x7a3
+
+/* Debug Mode Registers */
+#define CSR_DCSR 0x7b0
+#define CSR_DPC 0x7b1
+#define CSR_DSCRATCH0 0x7b2
+#define CSR_DSCRATCH1 0x7b3
+
+/* ===== Trap/Exception Causes ===== */
+
#define CAUSE_MISALIGNED_FETCH 0x0
#define CAUSE_FETCH_ACCESS 0x1
#define CAUSE_ILLEGAL_INSTRUCTION 0x2
@@ -500,6 +550,8 @@
#define CAUSE_VIRTUAL_INST_FAULT 0x16
#define CAUSE_STORE_GUEST_PAGE_FAULT 0x17
+/* ===== Instruction Encodings ===== */
+
#define INSN_MATCH_LB 0x3
#define INSN_MASK_LB 0x707f
#define INSN_MATCH_LH 0x1003
--
2.25.1
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