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HV: fix wrong gpa start of hpa2 in ve820.c

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The current logic puts hpa2 above GPA 4G always, which is incorrect. Need
to set gpa start of hpa2 right after hpa1 when hpa1 size is less then 2G;

Tracked-On: #4458

Signed-off-by: Victor Sun <victor.sun@intel.com>
This commit is contained in:
Victor Sun 2020-04-16 16:02:41 +08:00 committed by wenlingz
parent 60178a9a30
commit b08dbd4141
1 changed files with 2 additions and 0 deletions
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2
hypervisor/arch/x86/guest/ve820.c
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@ -190,6 +190,8 @@ void create_prelaunched_vm_e820(struct acrn_vm *vm)
} else {
/* need to revise length of hpa1 entry to its actual size */
vm->e820_entries[ENTRY_HPA1].length = vm_config->memory.size - MEM_1M;
/* need to set gpa_start for hpa2 */
gpa_start = vm->e820_entries[ENTRY_HPA1].baseaddr + vm->e820_entries[ENTRY_HPA1].length;
if ((vm_config->memory.size < MEM_2G)
&& (remaining_hpa2_size > (MEM_2G - vm_config->memory.size))) {
/* need to split hpa2 and add an entry for hpa2_lo */