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HV: Parse SeedList HOB

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Retrieve dseed from SeedList HOB(Hand-Off-Block).
SBL passes SeedList HOB to ACRN by MBI modules.

Signed-off-by: Qi Yadong <yadong.qi@intel.com>
Reviewed-by: Zhu Bing <bing.zhu@intel.com>
Reviewed-by: Wang Kai <kai.z.wang@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Qi Yadong
2018-06-05 10:57:34 +08:00
committed by lijinxia
parent d1e281f6eb
commit 03f5cbdd7a
6 changed files with 139 additions and 1 deletions
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17
hypervisor/arch/x86/trusty.c
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@@ -419,3 +419,20 @@ bool initialize_trusty(struct vcpu *vcpu, uint64_t param)
return false;
}
void trusty_set_dseed(void *dseed, uint8_t dseed_num)
{
/* Use fake seed if input param is invalid */
if ((dseed == NULL) || (dseed_num == 0) ||
(dseed_num > BOOTLOADER_SEED_MAX_ENTRIES)) {
g_key_info.num_seeds = 1;
memset(g_key_info.dseed_list[0].seed, 0xA5,
sizeof(g_key_info.dseed_list[0].seed));
return;
}
g_key_info.num_seeds = dseed_num;
memcpy_s(&g_key_info.dseed_list, sizeof(struct seed_info) * dseed_num,
dseed, sizeof(struct seed_info) * dseed_num);
}