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i386: hvf: Move mmio_buf into CPUX86State

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There's no similar field in CPUX86State, but it's needed for MMIO traps.

Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200528193758.51454-13-r.bolshakov@yadro.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Roman Bolshakov 2020-05-28 22:37:57 +03:00 committed by Paolo Bonzini
parent 577f02b890
commit fe76b09c5b
4 changed files with 12 additions and 7 deletions
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1
target/i386/cpu.h
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@ -1603,6 +1603,7 @@ typedef struct CPUX86State {
#endif
#if defined(CONFIG_HVF)
HVFX86LazyFlags hvf_lflags;
void *hvf_mmio_buf;
HVFX86EmulatorState *hvf_emul;
#endif

5
target/i386/hvf/hvf.c
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@ -533,7 +533,11 @@ void hvf_reset_vcpu(CPUState *cpu) {
void hvf_vcpu_destroy(CPUState *cpu)
{
X86CPU *x86_cpu = X86_CPU(cpu);
CPUX86State *env = &x86_cpu->env;
hv_return_t ret = hv_vcpu_destroy((hv_vcpuid_t)cpu->hvf_fd);
g_free(env->hvf_mmio_buf);
assert_hvf_ok(ret);
}
@ -563,6 +567,7 @@ int hvf_init_vcpu(CPUState *cpu)
init_decoder();
hvf_state->hvf_caps = g_new0(struct hvf_vcpu_caps, 1);
env->hvf_mmio_buf = g_new(char, 4096);
env->hvf_emul = g_new0(HVFX86EmulatorState, 1);
r = hv_vcpu_create((hv_vcpuid_t *)&cpu->hvf_fd, HV_VCPU_DEFAULT);

1
target/i386/hvf/x86.h
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@ -230,7 +230,6 @@ typedef struct x68_segment_selector {
/* Definition of hvf_x86_state is here */
struct HVFX86EmulatorState {
uint8_t mmio_buf[4096];
};
/* useful register access macros */

12
target/i386/hvf/x86_emu.c
View File

@ -187,8 +187,8 @@ void write_val_ext(struct CPUX86State *env, target_ulong ptr, target_ulong val,
uint8_t *read_mmio(struct CPUX86State *env, target_ulong ptr, int bytes)
{
vmx_read_mem(env_cpu(env), env->hvf_emul->mmio_buf, ptr, bytes);
return env->hvf_emul->mmio_buf;
vmx_read_mem(env_cpu(env), env->hvf_mmio_buf, ptr, bytes);
return env->hvf_mmio_buf;
}
@ -489,9 +489,9 @@ static void exec_ins_single(struct CPUX86State *env, struct x86_decode *decode)
target_ulong addr = linear_addr_size(env_cpu(env), RDI(env),
decode->addressing_size, R_ES);
hvf_handle_io(env_cpu(env), DX(env), env->hvf_emul->mmio_buf, 0,
hvf_handle_io(env_cpu(env), DX(env), env->hvf_mmio_buf, 0,
decode->operand_size, 1);
vmx_write_mem(env_cpu(env), addr, env->hvf_emul->mmio_buf,
vmx_write_mem(env_cpu(env), addr, env->hvf_mmio_buf,
decode->operand_size);
string_increment_reg(env, R_EDI, decode);
@ -512,9 +512,9 @@ static void exec_outs_single(struct CPUX86State *env, struct x86_decode *decode)
{
target_ulong addr = decode_linear_addr(env, decode, RSI(env), R_DS);
vmx_read_mem(env_cpu(env), env->hvf_emul->mmio_buf, addr,
vmx_read_mem(env_cpu(env), env->hvf_mmio_buf, addr,
decode->operand_size);
hvf_handle_io(env_cpu(env), DX(env), env->hvf_emul->mmio_buf, 1,
hvf_handle_io(env_cpu(env), DX(env), env->hvf_mmio_buf, 1,
decode->operand_size, 1);
string_increment_reg(env, R_ESI, decode);