git: c7937cf1d347 - stable/13 - Add macros for arm64 special reg op and CR values
Andrew Turner
andrew at FreeBSD.org
Mon Aug 30 12:43:14 UTC 2021
The branch stable/13 has been updated by andrew:
URL: https://cgit.FreeBSD.org/src/commit/?id=c7937cf1d347a3e963258e74a200949e320aed75
commit c7937cf1d347a3e963258e74a200949e320aed75
Author: Andrew Turner <andrew at FreeBSD.org>
AuthorDate: 2021-07-28 13:01:14 +0000
Commit: Andrew Turner <andrew at FreeBSD.org>
CommitDate: 2021-08-30 11:22:21 +0000
Add macros for arm64 special reg op and CR values
Use these to simplify the definition of the user_regs array.
Reviewed by: imp, markj
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D31333
(cherry picked from commit 10f6680faae0177cb5ab18754fb27dbb8a0cf226)
---
sys/arm64/arm64/identcpu.c | 82 +++++++++------------------------------------
sys/arm64/include/armreg.h | 83 +++++++++++++++++++++++++++++++++++++++-------
2 files changed, 87 insertions(+), 78 deletions(-)
diff --git a/sys/arm64/arm64/identcpu.c b/sys/arm64/arm64/identcpu.c
index 794b097195ef..64b3b6a4ef27 100644
--- a/sys/arm64/arm64/identcpu.c
+++ b/sys/arm64/arm64/identcpu.c
@@ -1171,74 +1171,24 @@ struct mrs_user_reg {
struct mrs_field *fields;
};
+#define USER_REG(name, field_name) \
+ { \
+ .reg = name, \
+ .CRm = name##_CRm, \
+ .Op2 = name##_op2, \
+ .offset = __offsetof(struct cpu_desc, field_name), \
+ .fields = field_name##_fields, \
+ }
static struct mrs_user_reg user_regs[] = {
- { /* id_aa64isar0_el1 */
- .reg = ID_AA64ISAR0_EL1,
- .CRm = 6,
- .Op2 = 0,
- .offset = __offsetof(struct cpu_desc, id_aa64isar0),
- .fields = id_aa64isar0_fields,
- },
- { /* id_aa64isar1_el1 */
- .reg = ID_AA64ISAR1_EL1,
- .CRm = 6,
- .Op2 = 1,
- .offset = __offsetof(struct cpu_desc, id_aa64isar1),
- .fields = id_aa64isar1_fields,
- },
- { /* id_aa64pfr0_el1 */
- .reg = ID_AA64PFR0_EL1,
- .CRm = 4,
- .Op2 = 0,
- .offset = __offsetof(struct cpu_desc, id_aa64pfr0),
- .fields = id_aa64pfr0_fields,
- },
- { /* id_aa64pfr0_el1 */
- .reg = ID_AA64PFR1_EL1,
- .CRm = 4,
- .Op2 = 1,
- .offset = __offsetof(struct cpu_desc, id_aa64pfr1),
- .fields = id_aa64pfr1_fields,
- },
- { /* id_aa64dfr0_el1 */
- .reg = ID_AA64DFR0_EL1,
- .CRm = 5,
- .Op2 = 0,
- .offset = __offsetof(struct cpu_desc, id_aa64dfr0),
- .fields = id_aa64dfr0_fields,
- },
- { /* id_aa64mmfr0_el1 */
- .reg = ID_AA64MMFR0_EL1,
- .CRm = 7,
- .Op2 = 0,
- .offset = __offsetof(struct cpu_desc, id_aa64mmfr0),
- .fields = id_aa64mmfr0_fields,
- },
+ USER_REG(ID_AA64ISAR0_EL1, id_aa64isar0),
+ USER_REG(ID_AA64ISAR1_EL1, id_aa64isar1),
+ USER_REG(ID_AA64PFR0_EL1, id_aa64pfr0),
+ USER_REG(ID_AA64DFR0_EL1, id_aa64dfr0),
+ USER_REG(ID_AA64MMFR0_EL1, id_aa64mmfr0),
#ifdef COMPAT_FREEBSD32
- {
- /* id_isar5_el1 */
- .reg = ID_ISAR5_EL1,
- .CRm = 2,
- .Op2 = 5,
- .offset = __offsetof(struct cpu_desc, id_isar5),
- .fields = id_isar5_fields,
- },
- {
- /* mvfr0 */
- .reg = MVFR0_EL1,
- .CRm = 3,
- .Op2 = 0,
- .offset = __offsetof(struct cpu_desc, mvfr0),
- .fields = mvfr0_fields,
- },
- {
- /* mvfr1 */
- .reg = MVFR1_EL1,
- .CRm = 3,
- .Op2 = 1,
- .offset = __offsetof(struct cpu_desc, mvfr1),
- .fields = mvfr1_fields,
- },
+ USER_REG(ID_ISAR5_EL1, id_isar5),
+ USER_REG(MVFR0_EL1, mvfr0),
+ USER_REG(MVFR1_EL1, mvfr1),
#endif /* COMPAT_FREEBSD32 */
};
diff --git a/sys/arm64/include/armreg.h b/sys/arm64/include/armreg.h
index 60389f4171ef..8507e02592b8 100644
--- a/sys/arm64/include/armreg.h
+++ b/sys/arm64/include/armreg.h
@@ -50,10 +50,14 @@
#define MRS_Op2_MASK 0x000000e0
#define MRS_Rt_SHIFT 0
#define MRS_Rt_MASK 0x0000001f
-#define MRS_REG(op0, op1, crn, crm, op2) \
+#define __MRS_REG(op0, op1, crn, crm, op2) \
(((op0) << MRS_Op0_SHIFT) | ((op1) << MRS_Op1_SHIFT) | \
((crn) << MRS_CRn_SHIFT) | ((crm) << MRS_CRm_SHIFT) | \
((op2) << MRS_Op2_SHIFT))
+#define MRS_REG(reg) \
+ __MRS_REG(reg##_op0, reg##_op1, reg##_CRn, reg##_CRm, reg##_op2)
+
+
#define READ_SPECIALREG(reg) \
({ uint64_t _val; \
@@ -258,7 +262,12 @@
#define ICC_SRE_EL1_SRE (1U << 0)
/* ID_AA64DFR0_EL1 */
-#define ID_AA64DFR0_EL1 MRS_REG(3, 0, 0, 5, 0)
+#define ID_AA64DFR0_EL1 MRS_REG(ID_AA64DFR0_EL1)
+#define ID_AA64DFR0_EL1_op0 0x3
+#define ID_AA64DFR0_EL1_op1 0x0
+#define ID_AA64DFR0_EL1_CRn 0x0
+#define ID_AA64DFR0_EL1_CRm 0x5
+#define ID_AA64DFR0_EL1_op2 0x0
#define ID_AA64DFR0_DebugVer_SHIFT 0
#define ID_AA64DFR0_DebugVer_MASK (UL(0xf) << ID_AA64DFR0_DebugVer_SHIFT)
#define ID_AA64DFR0_DebugVer_VAL(x) ((x) & ID_AA64DFR0_DebugVer_MASK)
@@ -310,7 +319,12 @@
#define ID_AA64DFR0_TraceFilt_8_4 (UL(0x1) << ID_AA64DFR0_TraceFilt_SHIFT)
/* ID_AA64ISAR0_EL1 */
-#define ID_AA64ISAR0_EL1 MRS_REG(3, 0, 0, 6, 0)
+#define ID_AA64ISAR0_EL1 MRS_REG(ID_AA64ISAR0_EL1)
+#define ID_AA64ISAR0_EL1_op0 0x3
+#define ID_AA64ISAR0_EL1_op1 0x0
+#define ID_AA64ISAR0_EL1_CRn 0x0
+#define ID_AA64ISAR0_EL1_CRm 0x6
+#define ID_AA64ISAR0_EL1_op2 0x0
#define ID_AA64ISAR0_AES_SHIFT 4
#define ID_AA64ISAR0_AES_MASK (UL(0xf) << ID_AA64ISAR0_AES_SHIFT)
#define ID_AA64ISAR0_AES_VAL(x) ((x) & ID_AA64ISAR0_AES_MASK)
@@ -387,7 +401,12 @@
#define ID_AA64ISAR0_RNDR_IMPL (UL(0x1) << ID_AA64ISAR0_RNDR_SHIFT)
/* ID_AA64ISAR1_EL1 */
-#define ID_AA64ISAR1_EL1 MRS_REG(3, 0, 0, 6, 1)
+#define ID_AA64ISAR1_EL1 MRS_REG(ID_AA64ISAR1_EL1)
+#define ID_AA64ISAR1_EL1_op0 0x3
+#define ID_AA64ISAR1_EL1_op1 0x0
+#define ID_AA64ISAR1_EL1_CRn 0x0
+#define ID_AA64ISAR1_EL1_CRm 0x6
+#define ID_AA64ISAR1_EL1_op2 0x1
#define ID_AA64ISAR1_DPB_SHIFT 0
#define ID_AA64ISAR1_DPB_MASK (UL(0xf) << ID_AA64ISAR1_DPB_SHIFT)
#define ID_AA64ISAR1_DPB_VAL(x) ((x) & ID_AA64ISAR1_DPB_MASK)
@@ -464,7 +483,12 @@
#define ID_AA64ISAR1_I8MM_IMPL (UL(0x1) << ID_AA64ISAR1_I8MM_SHIFT)
/* ID_AA64MMFR0_EL1 */
-#define ID_AA64MMFR0_EL1 MRS_REG(3, 0, 0, 7, 0)
+#define ID_AA64MMFR0_EL1 MRS_REG(ID_AA64MMFR0_EL1)
+#define ID_AA64MMFR0_EL1_op0 0x3
+#define ID_AA64MMFR0_EL1_op1 0x0
+#define ID_AA64MMFR0_EL1_CRn 0x0
+#define ID_AA64MMFR0_EL1_CRm 0x7
+#define ID_AA64MMFR0_EL1_op2 0x0
#define ID_AA64MMFR0_PARange_SHIFT 0
#define ID_AA64MMFR0_PARange_MASK (UL(0xf) << ID_AA64MMFR0_PARange_SHIFT)
#define ID_AA64MMFR0_PARange_VAL(x) ((x) & ID_AA64MMFR0_PARange_MASK)
@@ -535,7 +559,12 @@
#define ID_AA64MMFR0_ExS_IMPL (UL(0x1) << ID_AA64MMFR0_ExS_SHIFT)
/* ID_AA64MMFR1_EL1 */
-#define ID_AA64MMFR1_EL1 MRS_REG(3, 0, 0, 7, 1)
+#define ID_AA64MMFR1_EL1 MRS_REG(ID_AA64MMFR1_EL1)
+#define ID_AA64MMFR1_EL1_op0 0x3
+#define ID_AA64MMFR1_EL1_op1 0x0
+#define ID_AA64MMFR1_EL1_CRn 0x0
+#define ID_AA64MMFR1_EL1_CRm 0x7
+#define ID_AA64MMFR1_EL1_op2 0x1
#define ID_AA64MMFR1_HAFDBS_SHIFT 0
#define ID_AA64MMFR1_HAFDBS_MASK (UL(0xf) << ID_AA64MMFR1_HAFDBS_SHIFT)
#define ID_AA64MMFR1_HAFDBS_VAL(x) ((x) & ID_AA64MMFR1_HAFDBS_MASK)
@@ -581,7 +610,12 @@
#define ID_AA64MMFR1_XNX_IMPL (UL(0x1) << ID_AA64MMFR1_XNX_SHIFT)
/* ID_AA64MMFR2_EL1 */
-#define ID_AA64MMFR2_EL1 MRS_REG(3, 0, 0, 7, 2)
+#define ID_AA64MMFR2_EL1 MRS_REG(ID_AA64MMFR2_EL1)
+#define ID_AA64MMFR2_EL1_op0 0x3
+#define ID_AA64MMFR2_EL1_op1 0x0
+#define ID_AA64MMFR2_EL1_CRn 0x0
+#define ID_AA64MMFR2_EL1_CRm 0x7
+#define ID_AA64MMFR2_EL1_op2 0x2
#define ID_AA64MMFR2_CnP_SHIFT 0
#define ID_AA64MMFR2_CnP_MASK (UL(0xf) << ID_AA64MMFR2_CnP_SHIFT)
#define ID_AA64MMFR2_CnP_VAL(x) ((x) & ID_AA64MMFR2_CnP_MASK)
@@ -662,7 +696,12 @@
#define ID_AA64MMFR2_E0PD_IMPL (UL(0x1) << ID_AA64MMFR2_E0PD_SHIFT)
/* ID_AA64PFR0_EL1 */
-#define ID_AA64PFR0_EL1 MRS_REG(3, 0, 0, 4, 0)
+#define ID_AA64PFR0_EL1 MRS_REG(ID_AA64PFR0_EL1)
+#define ID_AA64PFR0_EL1_op0 0x3
+#define ID_AA64PFR0_EL1_op1 0x0
+#define ID_AA64PFR0_EL1_CRn 0x0
+#define ID_AA64PFR0_EL1_CRm 0x4
+#define ID_AA64PFR0_EL1_op2 0x0
#define ID_AA64PFR0_EL0_SHIFT 0
#define ID_AA64PFR0_EL0_MASK (UL(0xf) << ID_AA64PFR0_EL0_SHIFT)
#define ID_AA64PFR0_EL0_VAL(x) ((x) & ID_AA64PFR0_EL0_MASK)
@@ -747,7 +786,12 @@
#define ID_AA64PFR0_CSV3_ISOLATED (UL(0x1) << ID_AA64PFR0_CSV3_SHIFT)
/* ID_AA64PFR1_EL1 */
-#define ID_AA64PFR1_EL1 MRS_REG(3, 0, 0, 4, 1)
+#define ID_AA64PFR1_EL1 MRS_REG(ID_AA64PFR1_EL1)
+#define ID_AA64PFR1_EL1_op0 0x3
+#define ID_AA64PFR1_EL1_op1 0x0
+#define ID_AA64PFR1_EL1_CRn 0x0
+#define ID_AA64PFR1_EL1_CRm 0x4
+#define ID_AA64PFR1_EL1_op2 0x1
#define ID_AA64PFR1_BT_SHIFT 0
#define ID_AA64PFR1_BT_MASK (UL(0xf) << ID_AA64PFR1_BT_SHIFT)
#define ID_AA64PFR1_BT_VAL(x) ((x) & ID_AA64PFR1_BT_MASK)
@@ -772,7 +816,12 @@
#define ID_AA64PFR1_RAS_frac_V2 (UL(0x1) << ID_AA64PFR1_RAS_frac_SHIFT)
/* ID_ISAR5_EL1 */
-#define ID_ISAR5_EL1 MRS_REG(3, 0, 0, 2, 5)
+#define ID_ISAR5_EL1 MRS_REG(ID_ISAR5_EL1)
+#define ID_ISAR5_EL1_op0 0x3
+#define ID_ISAR5_EL1_op1 0x0
+#define ID_ISAR5_EL1_CRn 0x0
+#define ID_ISAR5_EL1_CRm 0x2
+#define ID_ISAR5_EL1_op2 0x5
#define ID_ISAR5_SEVL_SHIFT 0
#define ID_ISAR5_SEVL_MASK (UL(0xf) << ID_ISAR5_SEVL_SHIFT)
#define ID_ISAR5_SEVL_VAL(x) ((x) & ID_ISAR5_SEVL_MASK)
@@ -819,7 +868,12 @@
#define MAIR_NORMAL_WB 0xff
/* MVFR0_EL1 */
-#define MVFR0_EL1 MRS_REG(3, 0, 0, 3, 0)
+#define MVFR0_EL1 MRS_REG(MVFR0_EL1)
+#define MVFR0_EL1_op0 0x3
+#define MVFR0_EL1_op1 0x0
+#define MVFR0_EL1_CRn 0x0
+#define MVFR0_EL1_CRm 0x3
+#define MVFR0_EL1_op2 0x0
#define MVFR0_SIMDReg_SHIFT 0
#define MVFR0_SIMDReg_MASK (UL(0xf) << MVFR0_SIMDReg_SHIFT)
#define MVFR0_SIMDReg_VAL(x) ((x) & MVFR0_SIMDReg_MASK)
@@ -865,7 +919,12 @@
#define MVFR0_FPRound_IMPL (UL(0x1) << MVFR0_FPRound_SHIFT)
/* MVFR1_EL1 */
-#define MVFR1_EL1 MRS_REG(3, 0, 0, 3, 1)
+#define MVFR1_EL1 MRS_REG(MVFR1_EL1)
+#define MVFR1_EL1_op0 0x3
+#define MVFR1_EL1_op1 0x0
+#define MVFR1_EL1_CRn 0x0
+#define MVFR1_EL1_CRm 0x3
+#define MVFR1_EL1_op2 0x1
#define MVFR1_FPFtZ_SHIFT 0
#define MVFR1_FPFtZ_MASK (UL(0xf) << MVFR1_FPFtZ_SHIFT)
#define MVFR1_FPFtZ_VAL(x) ((x) & MVFR1_FPFtZ_MASK)
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