From 49c211ffca00fdf7c0c29072c224e88527a14838 Mon Sep 17 00:00:00 2001 From: Daniel Henrique Barboza Date: Fri, 8 Dec 2023 15:38:31 -0300 Subject: target/riscv/kvm: change KVM_REG_RISCV_FP_F to u32 KVM_REG_RISCV_FP_F regs have u32 size according to the API, but by using kvm_riscv_reg_id() in RISCV_FP_F_REG() we're returning u64 sizes when running with TARGET_RISCV64. The most likely reason why no one noticed this is because we're not implementing kvm_cpu_synchronize_state() in RISC-V yet. Create a new helper that returns a KVM ID with u32 size and use it in RISCV_FP_F_REG(). Reported-by: Andrew Jones Signed-off-by: Daniel Henrique Barboza Reviewed-by: Andrew Jones Message-ID: <20231208183835.2411523-2-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- target/riscv/kvm/kvm-cpu.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index 117e33cf90..375c8e7f33 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -72,6 +72,11 @@ static uint64_t kvm_riscv_reg_id(CPURISCVState *env, uint64_t type, return id; } +static uint64_t kvm_riscv_reg_id_u32(uint64_t type, uint64_t idx) +{ + return KVM_REG_RISCV | KVM_REG_SIZE_U32 | type | idx; +} + #define RISCV_CORE_REG(env, name) kvm_riscv_reg_id(env, KVM_REG_RISCV_CORE, \ KVM_REG_RISCV_CORE_REG(name)) @@ -81,7 +86,7 @@ static uint64_t kvm_riscv_reg_id(CPURISCVState *env, uint64_t type, #define RISCV_TIMER_REG(env, name) kvm_riscv_reg_id(env, KVM_REG_RISCV_TIMER, \ KVM_REG_RISCV_TIMER_REG(name)) -#define RISCV_FP_F_REG(env, idx) kvm_riscv_reg_id(env, KVM_REG_RISCV_FP_F, idx) +#define RISCV_FP_F_REG(idx) kvm_riscv_reg_id_u32(KVM_REG_RISCV_FP_F, idx) #define RISCV_FP_D_REG(env, idx) kvm_riscv_reg_id(env, KVM_REG_RISCV_FP_D, idx) @@ -586,7 +591,7 @@ static int kvm_riscv_get_regs_fp(CPUState *cs) if (riscv_has_ext(env, RVF)) { uint32_t reg; for (i = 0; i < 32; i++) { - ret = kvm_get_one_reg(cs, RISCV_FP_F_REG(env, i), ®); + ret = kvm_get_one_reg(cs, RISCV_FP_F_REG(i), ®); if (ret) { return ret; } @@ -620,7 +625,7 @@ static int kvm_riscv_put_regs_fp(CPUState *cs) uint32_t reg; for (i = 0; i < 32; i++) { reg = env->fpr[i]; - ret = kvm_set_one_reg(cs, RISCV_FP_F_REG(env, i), ®); + ret = kvm_set_one_reg(cs, RISCV_FP_F_REG(i), ®); if (ret) { return ret; } -- cgit v1.2.3