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[PULL 38/68] target/nios2: Implement cpuid
From: |
Richard Henderson |
Subject: |
[PULL 38/68] target/nios2: Implement cpuid |
Date: |
Tue, 26 Apr 2022 11:18:37 -0700 |
Copy the existing cpu_index into the space reserved for CR_CPUID.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-39-richard.henderson@linaro.org>
---
target/nios2/cpu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/target/nios2/cpu.c b/target/nios2/cpu.c
index b3c5ae681c..a0c3e97d72 100644
--- a/target/nios2/cpu.c
+++ b/target/nios2/cpu.c
@@ -163,6 +163,7 @@ static void realize_cr_status(CPUState *cs)
static void nios2_cpu_realizefn(DeviceState *dev, Error **errp)
{
CPUState *cs = CPU(dev);
+ Nios2CPU *cpu = NIOS2_CPU(cs);
Nios2CPUClass *ncc = NIOS2_CPU_GET_CLASS(dev);
Error *local_err = NULL;
@@ -176,6 +177,9 @@ static void nios2_cpu_realizefn(DeviceState *dev, Error
**errp)
qemu_init_vcpu(cs);
cpu_reset(cs);
+ /* We have reserved storage for cpuid; might as well use it. */
+ cpu->env.ctrl[CR_CPUID] = cs->cpu_index;
+
ncc->parent_realize(dev, errp);
}
--
2.34.1
- [PULL 10/68] target/nios2: Remove nios2_cpu_record_sigsegv, (continued)
- [PULL 10/68] target/nios2: Remove nios2_cpu_record_sigsegv, Richard Henderson, 2022/04/26
- [PULL 13/68] target/nios2: Check supervisor on eret, Richard Henderson, 2022/04/26
- [PULL 14/68] target/nios2: Stop generating code if gen_check_supervisor fails, Richard Henderson, 2022/04/26
- [PULL 18/68] target/nios2: Fix BRET instruction, Richard Henderson, 2022/04/26
- [PULL 20/68] linux-user/nios2: Only initialize SP and PC in target_cpu_copy_regs, Richard Henderson, 2022/04/26
- [PULL 21/68] target/nios2: Remove cpu_interrupts_enabled, Richard Henderson, 2022/04/26
- [PULL 23/68] target/nios2: Clean up nios2_cpu_dump_state, Richard Henderson, 2022/04/26
- [PULL 25/68] target/nios2: Use hw/registerfields.h for CR_EXCEPTION fields, Richard Henderson, 2022/04/26
- [PULL 28/68] target/nios2: Rename CR_TLBMISC_WR to CR_TLBMISC_WE, Richard Henderson, 2022/04/26
- [PULL 29/68] target/nios2: Use hw/registerfields.h for CR_TLBMISC fields, Richard Henderson, 2022/04/26
- [PULL 38/68] target/nios2: Implement cpuid,
Richard Henderson <=
- [PULL 32/68] target/nios2: Clean up nios2_cpu_do_interrupt, Richard Henderson, 2022/04/26
- [PULL 37/68] target/nios2: Prevent writes to read-only or reserved control fields, Richard Henderson, 2022/04/26
- [PULL 39/68] target/nios2: Implement CR_STATUS.RSIE, Richard Henderson, 2022/04/26
- [PULL 09/68] target/nios2: Remove user-only nios2_cpu_do_interrupt, Richard Henderson, 2022/04/26
- [PULL 15/68] target/nios2: Add NUM_GP_REGS and NUM_CP_REGS, Richard Henderson, 2022/04/26
- [PULL 19/68] target/nios2: Do not create TCGv for control registers, Richard Henderson, 2022/04/26
- [PULL 24/68] target/nios2: Use hw/registerfields.h for CR_STATUS fields, Richard Henderson, 2022/04/26
- [PULL 27/68] target/nios2: Use hw/registerfields.h for CR_TLBACC fields, Richard Henderson, 2022/04/26
- [PULL 30/68] target/nios2: Move R_FOO and CR_BAR into enumerations, Richard Henderson, 2022/04/26
- [PULL 33/68] target/nios2: Hoist CPU_LOG_INT logging, Richard Henderson, 2022/04/26