From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 47/52] target/arm: Add isar_feature_aa32_simd_r16
Date: Fri, 21 Feb 2020 13:07:35 +0000 [thread overview]
Message-ID: <20200221130740.7583-48-peter.maydell@linaro.org> (raw)
In-Reply-To: <20200221130740.7583-1-peter.maydell@linaro.org>
From: Richard Henderson <richard.henderson@linaro.org>
Use this in the places that were checking ARM_FEATURE_VFP, and
are obviously testing for the existance of the register set
as opposed to testing for some particular instruction extension.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200214181547.21408-6-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
target/arm/cpu.h | 6 ++++++
hw/intc/armv7m_nvic.c | 20 ++++++++++----------
linux-user/arm/signal.c | 4 ++--
target/arm/arch_dump.c | 11 ++++++-----
target/arm/cpu.c | 8 ++++----
target/arm/helper.c | 4 ++--
target/arm/m_helper.c | 11 ++++++-----
target/arm/machine.c | 3 +--
8 files changed, 37 insertions(+), 30 deletions(-)
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 65171cb30ee..5a62586dd29 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -3450,6 +3450,12 @@ static inline bool isar_feature_aa32_fp16_arith(const ARMISARegisters *id)
return FIELD_EX64(id->id_aa64pfr0, ID_AA64PFR0, FP) == 1;
}
+static inline bool isar_feature_aa32_simd_r16(const ARMISARegisters *id)
+{
+ /* Return true if D0-D15 are implemented */
+ return FIELD_EX32(id->mvfr0, MVFR0, SIMDREG) > 0;
+}
+
static inline bool isar_feature_aa32_simd_r32(const ARMISARegisters *id)
{
/* Return true if D16-D31 are implemented */
diff --git a/hw/intc/armv7m_nvic.c b/hw/intc/armv7m_nvic.c
index 22a43e49847..78cde4ed237 100644
--- a/hw/intc/armv7m_nvic.c
+++ b/hw/intc/armv7m_nvic.c
@@ -1262,12 +1262,12 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
case 0xd84: /* CSSELR */
return cpu->env.v7m.csselr[attrs.secure];
case 0xd88: /* CPACR */
- if (!arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (!cpu_isar_feature(aa32_simd_r16, cpu)) {
return 0;
}
return cpu->env.v7m.cpacr[attrs.secure];
case 0xd8c: /* NSACR */
- if (!attrs.secure || !arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (!attrs.secure || !cpu_isar_feature(aa32_simd_r16, cpu)) {
return 0;
}
return cpu->env.v7m.nsacr;
@@ -1417,7 +1417,7 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
}
return cpu->env.v7m.sfar;
case 0xf34: /* FPCCR */
- if (!arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (!cpu_isar_feature(aa32_simd_r16, cpu)) {
return 0;
}
if (attrs.secure) {
@@ -1444,12 +1444,12 @@ static uint32_t nvic_readl(NVICState *s, uint32_t offset, MemTxAttrs attrs)
return value;
}
case 0xf38: /* FPCAR */
- if (!arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (!cpu_isar_feature(aa32_simd_r16, cpu)) {
return 0;
}
return cpu->env.v7m.fpcar[attrs.secure];
case 0xf3c: /* FPDSCR */
- if (!arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (!cpu_isar_feature(aa32_simd_r16, cpu)) {
return 0;
}
return cpu->env.v7m.fpdscr[attrs.secure];
@@ -1711,13 +1711,13 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
}
break;
case 0xd88: /* CPACR */
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
/* We implement only the Floating Point extension's CP10/CP11 */
cpu->env.v7m.cpacr[attrs.secure] = value & (0xf << 20);
}
break;
case 0xd8c: /* NSACR */
- if (attrs.secure && arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (attrs.secure && cpu_isar_feature(aa32_simd_r16, cpu)) {
/* We implement only the Floating Point extension's CP10/CP11 */
cpu->env.v7m.nsacr = value & (3 << 10);
}
@@ -1951,7 +1951,7 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
break;
}
case 0xf34: /* FPCCR */
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
/* Not all bits here are banked. */
uint32_t fpccr_s;
@@ -2005,13 +2005,13 @@ static void nvic_writel(NVICState *s, uint32_t offset, uint32_t value,
}
break;
case 0xf38: /* FPCAR */
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
value &= ~7;
cpu->env.v7m.fpcar[attrs.secure] = value;
}
break;
case 0xf3c: /* FPDSCR */
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
value &= 0x07c00000;
cpu->env.v7m.fpdscr[attrs.secure] = value;
}
diff --git a/linux-user/arm/signal.c b/linux-user/arm/signal.c
index b0e753801b6..2871a7cc21d 100644
--- a/linux-user/arm/signal.c
+++ b/linux-user/arm/signal.c
@@ -346,7 +346,7 @@ static void setup_sigframe_v2(struct target_ucontext_v2 *uc,
setup_sigcontext(&uc->tuc_mcontext, env, set->sig[0]);
/* Save coprocessor signal frame. */
regspace = uc->tuc_regspace;
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, env_archcpu(env))) {
regspace = setup_sigframe_v2_vfp(regspace, env);
}
if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
@@ -671,7 +671,7 @@ static int do_sigframe_return_v2(CPUARMState *env,
/* Restore coprocessor signal frame */
regspace = uc->tuc_regspace;
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, env_archcpu(env))) {
regspace = restore_sigframe_v2_vfp(env, regspace);
if (!regspace) {
return 1;
diff --git a/target/arm/arch_dump.c b/target/arm/arch_dump.c
index 2345dec3c2c..a5a4f4e1f8f 100644
--- a/target/arm/arch_dump.c
+++ b/target/arm/arch_dump.c
@@ -363,9 +363,11 @@ int arm_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cs,
int cpuid, void *opaque)
{
struct arm_note note;
- CPUARMState *env = &ARM_CPU(cs)->env;
+ ARMCPU *cpu = ARM_CPU(cs);
+ CPUARMState *env = &cpu->env;
DumpState *s = opaque;
- int ret, i, fpvalid = !!arm_feature(env, ARM_FEATURE_VFP);
+ int ret, i;
+ bool fpvalid = cpu_isar_feature(aa32_simd_r16, cpu);
arm_note_init(¬e, s, "CORE", 5, NT_PRSTATUS, sizeof(note.prstatus));
@@ -444,7 +446,6 @@ int cpu_get_dump_info(ArchDumpInfo *info,
ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)
{
ARMCPU *cpu = ARM_CPU(first_cpu);
- CPUARMState *env = &cpu->env;
size_t note_size;
if (class == ELFCLASS64) {
@@ -452,12 +453,12 @@ ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)
note_size += AARCH64_PRFPREG_NOTE_SIZE;
#ifdef TARGET_AARCH64
if (cpu_isar_feature(aa64_sve, cpu)) {
- note_size += AARCH64_SVE_NOTE_SIZE(env);
+ note_size += AARCH64_SVE_NOTE_SIZE(&cpu->env);
}
#endif
} else {
note_size = ARM_PRSTATUS_NOTE_SIZE;
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
note_size += ARM_VFP_NOTE_SIZE;
}
}
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index 2eadf4dcb8b..d5a75c265ac 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -293,7 +293,7 @@ static void arm_cpu_reset(CPUState *s)
env->v7m.ccr[M_REG_S] |= R_V7M_CCR_UNALIGN_TRP_MASK;
}
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
env->v7m.fpccr[M_REG_NS] = R_V7M_FPCCR_ASPEN_MASK;
env->v7m.fpccr[M_REG_S] = R_V7M_FPCCR_ASPEN_MASK |
R_V7M_FPCCR_LSPEN_MASK | R_V7M_FPCCR_S_MASK;
@@ -1011,7 +1011,7 @@ static void arm_cpu_dump_state(CPUState *cs, FILE *f, int flags)
int numvfpregs = 0;
if (cpu_isar_feature(aa32_simd_r32, cpu)) {
numvfpregs = 32;
- } else if (arm_feature(env, ARM_FEATURE_VFP)) {
+ } else if (cpu_isar_feature(aa32_simd_r16, cpu)) {
numvfpregs = 16;
}
for (i = 0; i < numvfpregs; i++) {
@@ -1260,7 +1260,7 @@ void arm_cpu_post_init(Object *obj)
* KVM does not currently allow us to lie to the guest about its
* ID/feature registers, so the guest always sees what the host has.
*/
- if (arm_feature(&cpu->env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, cpu)) {
cpu->has_vfp = true;
if (!kvm_enabled()) {
qdev_property_add_static(DEVICE(obj), &arm_cpu_has_vfp_property);
@@ -1636,7 +1636,7 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* We rely on no XScale CPU having VFP so we can use the same bits in the
* TB flags field for VECSTRIDE and XSCALE_CPAR.
*/
- assert(!(arm_feature(env, ARM_FEATURE_VFP) &&
+ assert(!(cpu_isar_feature(aa32_simd_r16, cpu) &&
arm_feature(env, ARM_FEATURE_XSCALE)));
if (arm_feature(env, ARM_FEATURE_V7) &&
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 79db169e046..402f9ffab9b 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -894,7 +894,7 @@ static void cpacr_write(CPUARMState *env, const ARMCPRegInfo *ri,
* ASEDIS [31] and D32DIS [30] are both UNK/SBZP without VFP.
* TRCDIS [28] is RAZ/WI since we do not implement a trace macrocell.
*/
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, env_archcpu(env))) {
/* VFP coprocessor: cp10 & cp11 [23:20] */
mask |= (1 << 31) | (1 << 30) | (0xf << 20);
@@ -7814,7 +7814,7 @@ void arm_cpu_register_gdb_regs_for_features(ARMCPU *cpu)
} else if (cpu_isar_feature(aa32_simd_r32, cpu)) {
gdb_register_coprocessor(cs, vfp_gdb_get_reg, vfp_gdb_set_reg,
35, "arm-vfp3.xml", 0);
- } else if (arm_feature(env, ARM_FEATURE_VFP)) {
+ } else if (cpu_isar_feature(aa32_simd_r16, cpu)) {
gdb_register_coprocessor(cs, vfp_gdb_get_reg, vfp_gdb_set_reg,
19, "arm-vfp.xml", 0);
}
diff --git a/target/arm/m_helper.c b/target/arm/m_helper.c
index 33d414a684b..c0249702212 100644
--- a/target/arm/m_helper.c
+++ b/target/arm/m_helper.c
@@ -738,7 +738,8 @@ static uint32_t v7m_integrity_sig(CPUARMState *env, uint32_t lr)
*/
uint32_t sig = 0xfefa125a;
- if (!arm_feature(env, ARM_FEATURE_VFP) || (lr & R_V7M_EXCRET_FTYPE_MASK)) {
+ if (!cpu_isar_feature(aa32_simd_r16, env_archcpu(env))
+ || (lr & R_V7M_EXCRET_FTYPE_MASK)) {
sig |= 1;
}
return sig;
@@ -841,7 +842,7 @@ static void v7m_exception_taken(ARMCPU *cpu, uint32_t lr, bool dotailchain,
if (dotailchain) {
/* Sanitize LR FType and PREFIX bits */
- if (!arm_feature(env, ARM_FEATURE_VFP)) {
+ if (!cpu_isar_feature(aa32_simd_r16, cpu)) {
lr |= R_V7M_EXCRET_FTYPE_MASK;
}
lr = deposit32(lr, 24, 8, 0xff);
@@ -1373,7 +1374,7 @@ static void do_v7m_exception_exit(ARMCPU *cpu)
ftype = excret & R_V7M_EXCRET_FTYPE_MASK;
- if (!arm_feature(env, ARM_FEATURE_VFP) && !ftype) {
+ if (!ftype && !cpu_isar_feature(aa32_simd_r16, cpu)) {
qemu_log_mask(LOG_GUEST_ERROR, "M profile: zero FTYPE in exception "
"exit PC value 0x%" PRIx32 " is UNPREDICTABLE "
"if FPU not present\n",
@@ -2450,7 +2451,7 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t maskreg, uint32_t val)
* SFPA is RAZ/WI from NS. FPCA is RO if NSACR.CP10 == 0,
* RES0 if the FPU is not present, and is stored in the S bank
*/
- if (arm_feature(env, ARM_FEATURE_VFP) &&
+ if (cpu_isar_feature(aa32_simd_r16, env_archcpu(env)) &&
extract32(env->v7m.nsacr, 10, 1)) {
env->v7m.control[M_REG_S] &= ~R_V7M_CONTROL_FPCA_MASK;
env->v7m.control[M_REG_S] |= val & R_V7M_CONTROL_FPCA_MASK;
@@ -2565,7 +2566,7 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t maskreg, uint32_t val)
env->v7m.control[env->v7m.secure] &= ~R_V7M_CONTROL_NPRIV_MASK;
env->v7m.control[env->v7m.secure] |= val & R_V7M_CONTROL_NPRIV_MASK;
}
- if (arm_feature(env, ARM_FEATURE_VFP)) {
+ if (cpu_isar_feature(aa32_simd_r16, env_archcpu(env))) {
/*
* SFPA is RAZ/WI from NS or if no FPU.
* FPCA is RO if NSACR.CP10 == 0, RES0 if the FPU is not present.
diff --git a/target/arm/machine.c b/target/arm/machine.c
index 241890ac8cf..7050bde459a 100644
--- a/target/arm/machine.c
+++ b/target/arm/machine.c
@@ -9,9 +9,8 @@
static bool vfp_needed(void *opaque)
{
ARMCPU *cpu = opaque;
- CPUARMState *env = &cpu->env;
- return arm_feature(env, ARM_FEATURE_VFP);
+ return cpu_isar_feature(aa32_simd_r16, cpu);
}
static int get_fpscr(QEMUFile *f, void *opaque, size_t size,
--
2.20.1
next prev parent reply other threads:[~2020-02-21 13:36 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-21 13:06 [PULL 00/52] target-arm queue Peter Maydell
2020-02-21 13:06 ` [PULL 01/52] aspeed/scu: Create separate write callbacks Peter Maydell
2020-02-21 13:06 ` [PULL 02/52] aspeed/scu: Implement chip ID register Peter Maydell
2020-02-21 13:06 ` [PULL 03/52] hw/misc/iotkit-secctl: Fix writing to 'PPC Interrupt Clear' register Peter Maydell
2020-02-21 13:06 ` [PULL 04/52] mainstone: Make providing flash images non-mandatory Peter Maydell
2020-02-21 13:06 ` [PULL 05/52] z2: " Peter Maydell
2020-02-21 13:06 ` [PULL 06/52] target/arm: Flush high bits of sve register after AdvSIMD EXT Peter Maydell
2020-02-21 13:06 ` [PULL 07/52] target/arm: Flush high bits of sve register after AdvSIMD TBL/TBX Peter Maydell
2020-02-21 13:06 ` [PULL 08/52] target/arm: Flush high bits of sve register after AdvSIMD ZIP/UZP/TRN Peter Maydell
2020-02-21 13:06 ` [PULL 09/52] target/arm: Flush high bits of sve register after AdvSIMD INS Peter Maydell
2020-02-21 13:06 ` [PULL 10/52] target/arm: Use bit 55 explicitly for pauth Peter Maydell
2020-02-21 13:06 ` [PULL 11/52] target/arm: Fix select for aa64_va_parameters_both Peter Maydell
2020-02-21 13:07 ` [PULL 12/52] target/arm: Remove ttbr1_valid check from get_phys_addr_lpae Peter Maydell
2020-02-21 13:07 ` [PULL 13/52] target/arm: Split out aa64_va_parameter_tbi, aa64_va_parameter_tbid Peter Maydell
2020-02-21 13:07 ` [PULL 14/52] target/arm: Add _aa32_ to isar_feature functions testing 32-bit ID registers Peter Maydell
2020-02-21 13:07 ` [PULL 15/52] target/arm: Check aa32_pan in take_aarch32_exception(), not aa64_pan Peter Maydell
2020-02-21 13:07 ` [PULL 16/52] target/arm: Add isar_feature_any_fp16 and document naming/usage conventions Peter Maydell
2020-02-21 13:07 ` [PULL 17/52] target/arm: Define and use any_predinv isar_feature test Peter Maydell
2020-02-21 13:07 ` [PULL 18/52] target/arm: Factor out PMU register definitions Peter Maydell
2020-02-21 13:07 ` [PULL 19/52] target/arm: Add and use FIELD definitions for ID_AA64DFR0_EL1 Peter Maydell
2020-02-21 13:07 ` [PULL 20/52] target/arm: Use FIELD macros for clearing ID_DFR0 PERFMON field Peter Maydell
2020-02-21 13:07 ` [PULL 21/52] target/arm: Define an aa32_pmu_8_1 isar feature test function Peter Maydell
2020-02-21 13:07 ` [PULL 22/52] target/arm: Add _aa64_ and _any_ versions of pmu_8_1 isar checks Peter Maydell
2020-02-21 13:07 ` [PULL 23/52] target/arm: Stop assuming DBGDIDR always exists Peter Maydell
2020-02-21 13:07 ` [PULL 24/52] target/arm: Move DBGDIDR into ARMISARegisters Peter Maydell
2020-02-21 13:07 ` [PULL 25/52] target/arm: Read debug-related ID registers from KVM Peter Maydell
2020-02-21 13:07 ` [PULL 26/52] target/arm: Implement ARMv8.1-PMU extension Peter Maydell
2020-02-21 13:07 ` [PULL 27/52] target/arm: Implement ARMv8.4-PMU extension Peter Maydell
2020-02-21 13:07 ` [PULL 28/52] target/arm: Provide ARMv8.4-PMU in '-cpu max' Peter Maydell
2020-02-21 13:07 ` [PULL 29/52] target/arm: Correct definition of PMCRDP Peter Maydell
2020-02-21 13:07 ` [PULL 30/52] target/arm: Correct handling of PMCR_EL0.LC bit Peter Maydell
2020-02-21 13:07 ` [PULL 31/52] target/arm: Test correct register in aa32_pan and aa32_ats1e1 checks Peter Maydell
2020-02-21 13:07 ` [PULL 32/52] target/arm: Use isar_feature function for testing AA32HPD feature Peter Maydell
2020-02-21 13:07 ` [PULL 33/52] target/arm: Use FIELD_EX32 for testing 32-bit fields Peter Maydell
2020-02-21 13:07 ` [PULL 34/52] target/arm: Correctly implement ACTLR2, HACTLR2 Peter Maydell
2020-02-21 13:07 ` [PULL 35/52] hw: usb: hcd-ohci: Move OHCISysBusState and TYPE_SYSBUS_OHCI to include file Peter Maydell
2020-02-21 13:07 ` [PULL 36/52] hcd-ehci: Introduce "companion-enable" sysbus property Peter Maydell
2020-02-21 13:07 ` [PULL 37/52] arm: allwinner: Wire up USB ports Peter Maydell
2020-02-21 13:07 ` [PULL 38/52] target/arm: Vectorize USHL and SSHL Peter Maydell
2020-02-21 13:07 ` [PULL 39/52] target/arm: Convert PMUL.8 to gvec Peter Maydell
2020-02-21 13:07 ` [PULL 40/52] target/arm: Convert PMULL.64 " Peter Maydell
2020-02-21 13:07 ` [PULL 41/52] target/arm: Convert PMULL.8 " Peter Maydell
2020-02-21 13:07 ` [PULL 42/52] xilinx_spips: Correct the number of dummy cycles for the FAST_READ_4 cmd Peter Maydell
2020-02-21 13:07 ` [PULL 43/52] sh4: Fix PCI ISA IO memory subregion Peter Maydell
2020-02-21 13:07 ` [PULL 44/52] target/arm: Rename isar_feature_aa32_simd_r32 Peter Maydell
2020-02-21 13:07 ` [PULL 45/52] target/arm: Use isar_feature_aa32_simd_r32 more places Peter Maydell
2020-02-21 13:07 ` [PULL 46/52] target/arm: Set MVFR0.FPSP for ARMv5 cpus Peter Maydell
2020-02-21 13:07 ` Peter Maydell [this message]
2020-02-21 13:07 ` [PULL 48/52] target/arm: Rename isar_feature_aa32_fpdp_v2 Peter Maydell
2020-02-21 13:07 ` [PULL 49/52] target/arm: Add isar_feature_aa32_{fpsp_v2, fpsp_v3, fpdp_v3} Peter Maydell
2020-02-21 13:07 ` [PULL 50/52] target/arm: Perform fpdp_v2 check first Peter Maydell
2020-02-21 13:07 ` [PULL 51/52] target/arm: Replace ARM_FEATURE_VFP3 checks with fp{sp, dp}_v3 Peter Maydell
2020-02-21 13:07 ` [PULL 52/52] target/arm: Add missing checks for fpsp_v2 Peter Maydell
2020-02-21 14:17 ` [PULL 00/52] target-arm queue no-reply
2020-02-21 16:06 ` no-reply
2020-02-21 16:10 ` no-reply
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