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HV: enable load zephyr kernel

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Zephyr kernel is stripped ram image, its entry and load address
are explicitly defined in vm configurations, hypervisor will load
Zephyr directly based on these configurations.

Currently we only support boot Zephyr from protected mode.

Tracked-On: #3214

Signed-off-by: Victor Sun <victor.sun@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
This commit is contained in:
Victor Sun
2019-06-03 00:14:45 +08:00
committed by wenlingz
parent 6940cabd22
commit 1906def29e
3 changed files with 19 additions and 0 deletions
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11
hypervisor/common/vm_load.c
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@@ -150,6 +150,14 @@ static void prepare_loading_bzimage(struct acrn_vm *vm, struct acrn_vcpu *vcpu)
__func__, vm->vm_id, vcpu_get_gpreg(vcpu, CPU_REG_RSI));
}
static void prepare_loading_rawimage(struct acrn_vm *vm)
{
struct sw_kernel_info *sw_kernel = &(vm->sw.kernel_info);
const struct acrn_vm_config *vm_config = get_vm_config(vm->vm_id);
sw_kernel->kernel_entry_addr = (void *)vm_config->os_config.kernel_entry_addr;
}
int32_t direct_boot_sw_loader(struct acrn_vm *vm)
{
int32_t ret = 0;
@@ -185,6 +193,9 @@ int32_t direct_boot_sw_loader(struct acrn_vm *vm)
case KERNEL_BZIMAGE:
prepare_loading_bzimage(vm, vcpu);
break;
case KERNEL_ZEPHYR:
prepare_loading_rawimage(vm);
break;
default:
pr_err("%s, Loading VM SW failed", __func__);
ret = -EINVAL;