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hv: a few fixes for multiboot2 boot

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- need to specify the load_addr in the multiboot2 address tag. GRUB needs
  it to correctly calculate the ACRN binary's load size if load_end_addr is
  a non-zero value.

- multiboot2 can be enabled if hypervisor relocation is disabled.

- print the name of the boot loader. This might be helpful if the boot
  loader, e.g. GRUB, inludes its version in the name string.

Tracked-On: #4441
Signed-off-by: Victor Sun <victor.sun@intel.com>
Signed-off-by: Zide Chen <zide.chen@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
This commit is contained in:
Victor Sun
2020-03-11 13:51:48 +08:00
committed by wenlingz
parent e928ca4b3a
commit 52f26cba8a
5 changed files with 14 additions and 4 deletions
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1
hypervisor/boot/guest/vboot_wrapper.c
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@@ -42,6 +42,7 @@ void init_vboot(void)
{"PXELINUX", DIRECT_BOOT_MODE},
};
printf("Detect bootloader: %s\n", mbi->mi_loader_name);
for (i = 0U; i < BOOTLOADER_NUM; i++) {
if (strncmp(mbi->mi_loader_name, vboot_bootloader_maps[i].bootloader_name,
strnlen_s(vboot_bootloader_maps[i].bootloader_name, BOOTLOADER_NAME_SIZE)) == 0) {