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[PATCH v4 18/19] target/riscv/kvm.c: add kvmconfig_get_cfg_addr() helper
From: |
Daniel Henrique Barboza |
Subject: |
[PATCH v4 18/19] target/riscv/kvm.c: add kvmconfig_get_cfg_addr() helper |
Date: |
Mon, 26 Jun 2023 19:02:08 -0300 |
There are 2 places in which we need to get a pointer to a certain
property of the cpu->cfg struct based on property offset. Next patch
will add a couple more.
Create a helper to avoid repeating this code over and over.
Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
---
target/riscv/kvm.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/target/riscv/kvm.c b/target/riscv/kvm.c
index 6eebeb123a..e8f6683030 100644
--- a/target/riscv/kvm.c
+++ b/target/riscv/kvm.c
@@ -215,11 +215,15 @@ static KVMCPUConfig kvm_multi_ext_cfgs[] = {
KVM_EXT_CFG("svpbmt", ext_svpbmt, KVM_RISCV_ISA_EXT_SVPBMT),
};
+static void *kvmconfig_get_cfg_addr(RISCVCPU *cpu, KVMCPUConfig *kvmcfg)
+{
+ return (void *)&cpu->cfg + kvmcfg->offset;
+}
+
static void kvm_cpu_cfg_set(RISCVCPU *cpu, KVMCPUConfig *multi_ext,
uint32_t val)
{
- int cpu_cfg_offset = multi_ext->offset;
- bool *ext_enabled = (void *)&cpu->cfg + cpu_cfg_offset;
+ bool *ext_enabled = kvmconfig_get_cfg_addr(cpu, multi_ext);
*ext_enabled = val;
}
@@ -227,8 +231,7 @@ static void kvm_cpu_cfg_set(RISCVCPU *cpu, KVMCPUConfig
*multi_ext,
static uint32_t kvm_cpu_cfg_get(RISCVCPU *cpu,
KVMCPUConfig *multi_ext)
{
- int cpu_cfg_offset = multi_ext->offset;
- bool *ext_enabled = (void *)&cpu->cfg + cpu_cfg_offset;
+ bool *ext_enabled = kvmconfig_get_cfg_addr(cpu, multi_ext);
return *ext_enabled;
}
--
2.41.0
- [PATCH v4 05/19] target/riscv/cpu.c: restrict 'marchid' value, (continued)
- [PATCH v4 05/19] target/riscv/cpu.c: restrict 'marchid' value, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 07/19] target/riscv: read marchid/mimpid in kvm_riscv_init_machine_ids(), Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 08/19] target/riscv: handle mvendorid/marchid/mimpid for KVM CPUs, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 10/19] target/riscv/kvm.c: init 'misa_ext_mask' with scratch CPU, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 12/19] target/riscv: add KVM specific MISA properties, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 11/19] target/riscv/cpu: add misa_ext_info_arr[], Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 09/19] linux-headers: Update to v6.4-rc1, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 13/19] target/riscv/kvm.c: update KVM MISA bits, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 15/19] target/riscv/cpu.c: remove priv_ver check from riscv_isa_string_ext(), Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 17/19] target/riscv: update multi-letter extension KVM properties, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 18/19] target/riscv/kvm.c: add kvmconfig_get_cfg_addr() helper,
Daniel Henrique Barboza <=
- [PATCH v4 14/19] target/riscv/kvm.c: add multi-letter extension KVM properties, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 16/19] target/riscv/cpu.c: create KVM mock properties, Daniel Henrique Barboza, 2023/06/26
- [PATCH v4 19/19] target/riscv/kvm.c: read/write (cbom|cboz)_blocksize in KVM, Daniel Henrique Barboza, 2023/06/26