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hv: remove the vm loader for UOS in hv.

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Now, we make UOS to set BSP init state by using hypercall. We
could drop the old UOS loader in HV and make vm loader in HV
only for SOS.

Tracked-On: #1231
Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yin Fengwei 2018-10-03 20:07:39 +08:00 committed by wenlingz
parent fc575460a3
commit b454a067be
5 changed files with 11 additions and 55 deletions
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2
hypervisor/arch/x86/guest/vcpu.c
View File

@ -661,6 +661,7 @@ int prepare_vcpu(struct vm *vm, uint16_t pcpu_id)
} else {
return -EINVAL;
}
vm_sw_loader(vm);
} else {
#ifdef CONFIG_EFI_STUB
/* currently non-vm0 will boot kernel directly */
@ -670,7 +671,6 @@ int prepare_vcpu(struct vm *vm, uint16_t pcpu_id)
#endif
}
#endif //CONFIG_PARTITION_MODE
vm_sw_loader(vm, vcpu);
} else {
vcpu->arch_vcpu.cpu_mode = CPU_MODE_REAL;
}

8
hypervisor/arch/x86/guest/vm.c
View File

@ -304,11 +304,11 @@ int reset_vm(struct vm *vm)
foreach_vcpu(i, vm, vcpu) {
reset_vcpu(vcpu);
vcpu->arch_vcpu.cpu_mode = CPU_MODE_REAL;
if (is_vcpu_bsp(vcpu)) {
vm_sw_loader(vm, vcpu);
}
}
if (is_vm0(vm)) {
vm_sw_loader(vm);
}
vioapic_reset(vm_ioapic(vm));

6
hypervisor/bsp/uefi/uefi.c
View File

@ -36,18 +36,16 @@ void efi_spurious_handler(int vector)
return;
}
int uefi_sw_loader(struct vm *vm, struct vcpu *vcpu)
int uefi_sw_loader(struct vm *vm)
{
int ret = 0;
struct vcpu *vcpu = get_primary_vcpu(vm);
struct acrn_vcpu_regs *vcpu_regs = &vm0_boot_context;
ASSERT(vm != NULL, "Incorrect argument");
pr_dbg("Loading guest to run-time location");
if (!is_vm0(vm))
return load_guest(vm, vcpu);
vlapic_restore(vcpu_vlapic(vcpu), &uefi_lapic_regs);
/* For UEFI platform, the bsp init regs come from two places:

45
hypervisor/common/vm_load.c
View File

@ -85,41 +85,7 @@ static uint64_t create_zero_page(struct vm *vm)
return gpa;
}
int load_guest(struct vm *vm, struct vcpu *vcpu)
{
int32_t ret = 0;
void *hva;
uint64_t lowmem_gpa_top;
hva = gpa2hva(vm, GUEST_CFG_OFFSET);
lowmem_gpa_top = *(uint64_t *)hva;
hva = gpa2hva(vm, lowmem_gpa_top -
MEM_4K - MEM_2K);
vcpu->entry_addr = (void *)(*((uint64_t *)hva));
if (get_vcpu_mode(vcpu) == CPU_MODE_REAL) {
set_bsp_real_mode_entry(vcpu);
} else {
set_bsp_protect_mode_regs(vcpu);
}
vcpu_set_gpreg(vcpu, CPU_REG_RSI, lowmem_gpa_top - MEM_4K);
pr_info("%s, Set config according to predefined offset:",
__func__);
pr_info("VCPU%hu Entry: 0x%llx, RSI: 0x%016llx, cr3: 0x%016llx",
vcpu->vcpu_id, vcpu->entry_addr,
vcpu_get_gpreg(vcpu, CPU_REG_RSI),
vm->arch_vm.guest_init_pml4);
return ret;
}
/*
* @pre vm != NULL
*/
int general_sw_loader(struct vm *vm, struct vcpu *vcpu)
int general_sw_loader(struct vm *vm)
{
int32_t ret = 0;
void *hva;
@ -128,17 +94,10 @@ int general_sw_loader(struct vm *vm, struct vcpu *vcpu)
struct zero_page *zeropage;
struct sw_linux *sw_linux = &(vm->sw.linux_info);
struct sw_kernel_info *sw_kernel = &(vm->sw.kernel_info);
struct vcpu *vcpu = get_primary_vcpu(vm);
pr_dbg("Loading guest to run-time location");
/* ACRN in partiton mode boots all VMs without devicemodel */
#ifndef CONFIG_PARTITION_MODE
/* FIXME: set config according to predefined offset */
if (!is_vm0(vm)) {
return load_guest(vm, vcpu);
}
#endif
set_vcpu_regs(vcpu, &vm0_boot_context);
/* calculate the kernel entry point */

5
hypervisor/include/arch/x86/guest/guest.h
View File

@ -135,10 +135,9 @@ void init_msr_emulation(struct vcpu *vcpu);
struct run_context;
int vmx_vmrun(struct run_context *context, int ops, int ibrs);
int load_guest(struct vm *vm, struct vcpu *vcpu);
int general_sw_loader(struct vm *vm, struct vcpu *vcpu);
int general_sw_loader(struct vm *vm);
typedef int (*vm_sw_loader_t)(struct vm *vm, struct vcpu *vcpu);
typedef int (*vm_sw_loader_t)(struct vm *vm);
extern vm_sw_loader_t vm_sw_loader;
/* @pre Caller(Guest) should make sure gpa is continuous.