OrgACRN
/
acrn-hypervisor
mirror of https://github.com/projectacrn/acrn-hypervisor.git
1
0
Fork 0
Code Issues Releases Wiki Activity

HV: instr_emul: Remove vie_read_register 

We have vm_set/get_register here. There is no need to wrap the function with
vie_read_register.

This patch remove it.

Signed-off-by: Kaige Fu <kaige.fu@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
This commit is contained in:
Kaige Fu 2018-07-31 14:10:55 +08:00 committed by lijinxia
parent 37026590c9
commit b6a0a36cd1
1 changed files with 24 additions and 36 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
hypervisor/arch/x86/guest/instr_emul.c
View File

@ -221,18 +221,6 @@ static uint64_t size2mask[9] = {
[8] = 0xffffffffffffffffUL,
};
static int
vie_read_register(struct vcpu *vcpu, enum cpu_reg_name reg, uint64_t *rval)
{
int error;
error = vm_get_register(vcpu, reg, rval);
ASSERT(error == 0, "%s: error (%d) happens when getting reg",
__func__, error);
return error;
}
static void
vie_calc_bytereg(struct instr_emul_vie *vie, enum cpu_reg_name *reg, int *lhbr)
{
@ -318,7 +306,7 @@ vie_update_register(struct vcpu *vcpu, enum cpu_reg_name reg,
switch (size) {
case 1U:
case 2U:
error = vie_read_register(vcpu, reg, &origval);
error = vm_get_register(vcpu, reg, &origval);
if (error != 0) {
return error;
}
@ -349,7 +337,7 @@ static int vie_update_rflags(struct vcpu *vcpu, uint64_t rflags2, uint64_t psl)
uint8_t size;
uint64_t rflags;
error = vie_read_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vm_get_register(vcpu, CPU_REG_RFLAGS, &rflags);
if (error != 0) {
return error;
}
@ -433,7 +421,7 @@ emulate_mov(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
*/
reg = vie->reg;
error = vie_read_register(vcpu, reg, &val);
error = vm_get_register(vcpu, reg, &val);
if (error == 0) {
val &= size2mask[size];
error = memwrite(vcpu, gpa, val, size,
@ -487,7 +475,7 @@ emulate_mov(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
* A3: mov moffs32, EAX
* REX.W + A3: mov moffs64, RAX
*/
error = vie_read_register(vcpu, CPU_REG_RAX,
error = vm_get_register(vcpu, CPU_REG_RAX,
&val);
if (error == 0) {
val &= size2mask[size];
@ -626,10 +614,10 @@ get_gla(struct vcpu *vcpu, __unused struct instr_emul_vie *vie,
uint64_t cr0, val, rflags;
int error;
error = vie_read_register(vcpu, CPU_REG_CR0, &cr0);
error |= vie_read_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vm_get_register(vcpu, CPU_REG_CR0, &cr0);
error |= vm_get_register(vcpu, CPU_REG_RFLAGS, &rflags);
error |= vm_get_seg_desc(vcpu, seg, &desc);
error |= vie_read_register(vcpu, gpr, &val);
error |= vm_get_register(vcpu, gpr, &val);
if (error) {
pr_err("%s: error(%d) happens when getting cr0/rflags/segment"
@ -700,7 +688,7 @@ emulate_movs(struct vcpu *vcpu, __unused uint64_t gpa, struct instr_emul_vie *vi
repeat = vie->repz_present | vie->repnz_present;
if (repeat != 0) {
error = vie_read_register(vcpu, CPU_REG_RCX, &rcx);
error = vm_get_register(vcpu, CPU_REG_RCX, &rcx);
/*
* The count register is %rcx, %ecx or %cx depending on the
@ -728,9 +716,9 @@ emulate_movs(struct vcpu *vcpu, __unused uint64_t gpa, struct instr_emul_vie *vi
(void)memcpy_s((void *)dstaddr, 16U, (void *)srcaddr, opsize);
error = vie_read_register(vcpu, CPU_REG_RSI, &rsi);
error = vie_read_register(vcpu, CPU_REG_RDI, &rdi);
error = vie_read_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vm_get_register(vcpu, CPU_REG_RSI, &rsi);
error = vm_get_register(vcpu, CPU_REG_RDI, &rdi);
error = vm_get_register(vcpu, CPU_REG_RFLAGS, &rflags);
if ((rflags & PSL_D) != 0U) {
rsi -= opsize;
@ -778,7 +766,7 @@ emulate_stos(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
repeat = vie->repz_present | vie->repnz_present;
if (repeat != 0) {
error = vie_read_register(vcpu, CPU_REG_RCX, &rcx);
error = vm_get_register(vcpu, CPU_REG_RCX, &rcx);
/*
* The count register is %rcx, %ecx or %cx depending on the
@ -789,15 +777,15 @@ emulate_stos(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
}
}
error = vie_read_register(vcpu, CPU_REG_RAX, &val);
error = vm_get_register(vcpu, CPU_REG_RAX, &val);
error = memwrite(vcpu, gpa, val, opsize, arg);
if (error != 0) {
return error;
}
error = vie_read_register(vcpu, CPU_REG_RDI, &rdi);
error = vie_read_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vm_get_register(vcpu, CPU_REG_RDI, &rdi);
error = vm_get_register(vcpu, CPU_REG_RFLAGS, &rflags);
if ((rflags & PSL_D) != 0U) {
rdi -= opsize;
@ -857,7 +845,7 @@ emulate_test(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
/* get the first operand */
reg = vie->reg;
error = vie_read_register(vcpu, reg, &val1);
error = vm_get_register(vcpu, reg, &val1);
if (error != 0) {
break;
}
@ -916,7 +904,7 @@ emulate_and(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
/* get the first operand */
reg = vie->reg;
error = vie_read_register(vcpu, reg, &val1);
error = vm_get_register(vcpu, reg, &val1);
if (error != 0) {
break;
}
@ -1041,7 +1029,7 @@ emulate_or(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
/* get the second operand */
reg = vie->reg;
error = vie_read_register(vcpu, reg, &val2);
error = vm_get_register(vcpu, reg, &val2);
if (error != 0) {
break;
}
@ -1102,7 +1090,7 @@ emulate_cmp(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
/* Get the register operand */
reg = vie->reg;
error = vie_read_register(vcpu, reg, &regop);
error = vm_get_register(vcpu, reg, &regop);
if (error != 0) {
return error;
}
@ -1194,7 +1182,7 @@ emulate_sub(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
/* get the first operand */
reg = vie->reg;
error = vie_read_register(vcpu, reg, &val1);
error = vm_get_register(vcpu, reg, &val1);
if (error != 0) {
break;
}
@ -1272,9 +1260,9 @@ emulate_stack_op(struct vcpu *vcpu, uint64_t mmio_gpa, struct instr_emul_vie *vi
}
}
error = vie_read_register(vcpu, CPU_REG_CR0, &cr0);
error = vie_read_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vie_read_register(vcpu, CPU_REG_RSP, &rsp);
error = vm_get_register(vcpu, CPU_REG_CR0, &cr0);
error = vm_get_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vm_get_register(vcpu, CPU_REG_RSP, &rsp);
if (pushop != 0) {
rsp -= size;
@ -1428,7 +1416,7 @@ emulate_bittest(struct vcpu *vcpu, uint64_t gpa, struct instr_emul_vie *vie,
return -EINVAL;
}
error = vie_read_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = vm_get_register(vcpu, CPU_REG_RFLAGS, &rflags);
error = memread(vcpu, gpa, &val, vie->opsize, memarg);
if (error != 0) {