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HV: init efi info with multiboot2

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Initialize efi info of acrn mbi when boot from multiboot2 protocol, with
this patch hypervisor could get host efi info and pass it to Linux zeropage,
then make guest Linux possible to boot with efi environment;

Tracked-On: #4419

Signed-off-by: Victor Sun <victor.sun@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Victor Sun
2020-02-19 16:12:55 +08:00
committed by wenlingz
parent 69da0243f5
commit da3d181f62
6 changed files with 97 additions and 3 deletions
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11
hypervisor/common/vm_load.c
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@@ -58,11 +58,10 @@ static uint32_t create_zeropage_e820(struct zero_page *zp, const struct acrn_vm
*/
static uint64_t create_zero_page(struct acrn_vm *vm)
{
struct zero_page *zeropage;
struct zero_page *zeropage, *hva;
struct sw_kernel_info *sw_kernel = &(vm->sw.kernel_info);
struct sw_module_info *bootargs_info = &(vm->sw.bootargs_info);
struct sw_module_info *ramdisk_info = &(vm->sw.ramdisk_info);
struct zero_page *hva;
uint64_t gpa, addr;
/* Set zeropage in Linux Guest RAM region just past boot args */
@@ -74,6 +73,14 @@ static uint64_t create_zero_page(struct acrn_vm *vm)
/* clear the zeropage */
(void)memset(zeropage, 0U, MEM_2K);
#ifdef CONFIG_MULTIBOOT2
if (is_sos_vm(vm)) {
struct acrn_multiboot_info *mbi = get_multiboot_info();
(void)memcpy_s(&(zeropage->boot_efi_info), sizeof(zeropage->boot_efi_info),
&(mbi->mi_efi_info), sizeof(mbi->mi_efi_info));
}
#endif
/* copy part of the header into the zero page */
hva = (struct zero_page *)gpa2hva(vm, (uint64_t)sw_kernel->kernel_load_addr);
(void)memcpy_s(&(zeropage->hdr), sizeof(zeropage->hdr),