diff options
Diffstat (limited to 'UefiCpuPkg/ResetVector')
-rw-r--r-- | UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm | 6 | ||||
-rw-r--r-- | UefiCpuPkg/ResetVector/Vtf0/Main.asm | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm b/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm index 146df600a6..bc68c8dd74 100644 --- a/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm +++ b/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm @@ -21,6 +21,12 @@ BITS 16 ;
; Modified: EAX, EBX
;
+; @param[out] DS Selector allowing flat access to all addresses
+; @param[out] ES Selector allowing flat access to all addresses
+; @param[out] FS Selector allowing flat access to all addresses
+; @param[out] GS Selector allowing flat access to all addresses
+; @param[out] SS Selector allowing flat access to all addresses
+;
TransitionFromReal16To32BitFlat:
debugShowPostCode POSTCODE_16BIT_MODE
diff --git a/UefiCpuPkg/ResetVector/Vtf0/Main.asm b/UefiCpuPkg/ResetVector/Vtf0/Main.asm index ebfb9015d4..57f080688b 100644 --- a/UefiCpuPkg/ResetVector/Vtf0/Main.asm +++ b/UefiCpuPkg/ResetVector/Vtf0/Main.asm @@ -24,6 +24,11 @@ BITS 16 ; @param[in,out] DI 'BP': boot-strap processor, or
; 'AP': application processor
; @param[out] RBP/EBP Address of Boot Firmware Volume (BFV)
+; @param[out] DS Selector allowing flat access to all addresses
+; @param[out] ES Selector allowing flat access to all addresses
+; @param[out] FS Selector allowing flat access to all addresses
+; @param[out] GS Selector allowing flat access to all addresses
+; @param[out] SS Selector allowing flat access to all addresses
;
; @return None This routine jumps to SEC and does not return
;
|