From: Richard Henderson <richard.henderson@linaro.org>
All invocations were required to pass the same value,
CP_REG_ARM64_SYSREG_CP. Bake that in to the result directly.
Remove CP_REG_ARM64_SYSREG_CP as unused.
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpregs.h | 5 ++---
target/arm/kvm-consts.h | 3 ---
target/arm/helper.c | 11 +++++------
target/arm/hvf/hvf.c | 3 +--
target/arm/tcg/translate-a64.c | 6 ++----
5 files changed, 10 insertions(+), 18 deletions(-)
diff --git a/target/arm/cpregs.h b/target/arm/cpregs.h
index 417d79f7ba6..a10abadb932 100644
--- a/target/arm/cpregs.h
+++ b/target/arm/cpregs.h
@@ -187,9 +187,8 @@ enum {
((is64) << CP_REG_AA32_64BIT_SHIFT) | \
((cp) << 16) | ((crn) << 11) | ((crm) << 7) | ((opc1) << 3) | (opc2))
-#define ENCODE_AA64_CP_REG(cp, crn, crm, op0, op1, op2) \
- (CP_REG_AA64_MASK | \
- ((cp) << CP_REG_ARM_COPROC_SHIFT) | \
+#define ENCODE_AA64_CP_REG(crn, crm, op0, op1, op2) \
+ (CP_REG_AA64_MASK | CP_REG_ARM64_SYSREG | \
((op0) << CP_REG_ARM64_SYSREG_OP0_SHIFT) | \
((op1) << CP_REG_ARM64_SYSREG_OP1_SHIFT) | \
((crn) << CP_REG_ARM64_SYSREG_CRN_SHIFT) | \
diff --git a/target/arm/kvm-consts.h b/target/arm/kvm-consts.h
index fdb305eea1a..54ae5da7ce3 100644
--- a/target/arm/kvm-consts.h
+++ b/target/arm/kvm-consts.h
@@ -160,9 +160,6 @@ MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A53, KVM_ARM_TARGET_CORTEX_A53);
#define CP_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007
#define CP_REG_ARM64_SYSREG_OP2_SHIFT 0
-/* No kernel define but it's useful to QEMU */
-#define CP_REG_ARM64_SYSREG_CP (CP_REG_ARM64_SYSREG >> CP_REG_ARM_COPROC_SHIFT)
-
MISMATCH_CHECK(CP_REG_ARM64, KVM_REG_ARM64);
MISMATCH_CHECK(CP_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_MASK);
MISMATCH_CHECK(CP_REG_ARM_COPROC_SHIFT, KVM_REG_ARM_COPROC_SHIFT);
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 27d5ab82920..2732112ff21 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -4503,7 +4503,7 @@ static void define_arm_vh_e2h_redirects_aliases(ARMCPU *cpu)
};
#define K(op0, op1, crn, crm, op2) \
- ENCODE_AA64_CP_REG(CP_REG_ARM64_SYSREG_CP, crn, crm, op0, op1, op2)
+ ENCODE_AA64_CP_REG(crn, crm, op0, op1, op2)
static const struct E2HAlias aliases[] = {
{ K(3, 0, 1, 0, 0), K(3, 4, 1, 0, 0), K(3, 5, 1, 0, 0),
@@ -7396,10 +7396,9 @@ static void add_cpreg_to_hashtable(ARMCPU *cpu, const ARMCPRegInfo *r,
* in their AArch64 view (the .cp value may be non-zero for the
* benefit of the AArch32 view).
*/
- if (cp == 0 || r->state == ARM_CP_STATE_BOTH) {
- cp = CP_REG_ARM64_SYSREG_CP;
- }
- key = ENCODE_AA64_CP_REG(cp, r->crn, crm, r->opc0, opc1, opc2);
+ assert(cp == 0 || r->state == ARM_CP_STATE_BOTH);
+ cp = 0;
+ key = ENCODE_AA64_CP_REG(r->crn, crm, r->opc0, opc1, opc2);
break;
default:
g_assert_not_reached();
@@ -7624,7 +7623,7 @@ void define_one_arm_cp_reg(ARMCPU *cpu, const ARMCPRegInfo *r)
}
break;
case ARM_CP_STATE_AA64:
- assert(r->cp == 0 || r->cp == CP_REG_ARM64_SYSREG_CP);
+ assert(r->cp == 0);
break;
default:
g_assert_not_reached();
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 694584cc130..6e67d89163f 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -1124,8 +1124,7 @@ static bool is_id_sysreg(uint32_t reg)
static uint32_t hvf_reg2cp_reg(uint32_t reg)
{
- return ENCODE_AA64_CP_REG(CP_REG_ARM64_SYSREG_CP,
- (reg >> SYSREG_CRN_SHIFT) & SYSREG_CRN_MASK,
+ return ENCODE_AA64_CP_REG((reg >> SYSREG_CRN_SHIFT) & SYSREG_CRN_MASK,
(reg >> SYSREG_CRM_SHIFT) & SYSREG_CRM_MASK,
(reg >> SYSREG_OP0_SHIFT) & SYSREG_OP0_MASK,
(reg >> SYSREG_OP1_SHIFT) & SYSREG_OP1_MASK,
diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c
index 37bedc3780b..a560ef0f42c 100644
--- a/target/arm/tcg/translate-a64.c
+++ b/target/arm/tcg/translate-a64.c
@@ -2466,8 +2466,7 @@ static void handle_sys(DisasContext *s, bool isread,
unsigned int op0, unsigned int op1, unsigned int op2,
unsigned int crn, unsigned int crm, unsigned int rt)
{
- uint32_t key = ENCODE_AA64_CP_REG(CP_REG_ARM64_SYSREG_CP,
- crn, crm, op0, op1, op2);
+ uint32_t key = ENCODE_AA64_CP_REG(crn, crm, op0, op1, op2);
const ARMCPRegInfo *ri = get_arm_cp_reginfo(s->cp_regs, key);
bool need_exit_tb = false;
bool nv_trap_to_el2 = false;
@@ -2603,8 +2602,7 @@ static void handle_sys(DisasContext *s, bool isread,
* We don't use the EL1 register's access function, and
* fine-grained-traps on EL1 also do not apply here.
*/
- key = ENCODE_AA64_CP_REG(CP_REG_ARM64_SYSREG_CP,
- crn, crm, op0, 0, op2);
+ key = ENCODE_AA64_CP_REG(crn, crm, op0, 0, op2);
ri = get_arm_cp_reginfo(s->cp_regs, key);
assert(ri);
assert(cp_access_ok(s->current_el, ri, isread));
--
2.43.0