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ArmPkg/CompilerIntrinsicsLib: Added missing __aeabi_uread8 and __aeabi_uwrite8

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13528 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin 2012-07-12 18:00:36 +00:00
parent 96f0d1cab0
commit 836a78250b
2 changed files with 55 additions and 1 deletions
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28
ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm
View File

@ -15,6 +15,7 @@
EXPORT __aeabi_uread4
EXPORT __aeabi_uread8
AREA Uread4, CODE, READONLY
@ -35,4 +36,31 @@ __aeabi_uread4
orr r0, r1, r0, lsl #24
bx lr
;
;UINT64
;EFIAPI
;__aeabi_uread8 (
; IN VOID *Pointer
; );
;
__aeabi_uread8
mov r3, r0
ldrb r1, [r3]
ldrb r2, [r3, #1]
orr r1, r1, r2, lsl #8
ldrb r2, [r3, #2]
orr r1, r1, r2, lsl #16
ldrb r0, [r3, #3]
orr r0, r1, r0, lsl #24
ldrb r1, [r3, #4]
ldrb r2, [r3, #5]
orr r1, r1, r2, lsl #8
ldrb r2, [r3, #6]
orr r1, r1, r2, lsl #16
ldrb r2, [r3, #7]
orr r1, r1, r2, lsl #24
bx lr
END

28
ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm
View File

@ -14,6 +14,7 @@
EXPORT __aeabi_uwrite4
EXPORT __aeabi_uwrite8
AREA Uwrite4, CODE, READONLY
@ -35,6 +36,31 @@ __aeabi_uwrite4
mov r2, r0, lsr #24
strb r2, [r1, #3]
bx lr
;
;UINT64
;EFIAPI
;__aeabi_uwrite8 (
; IN UINT64 Data, //r0-r1
; IN VOID *Pointer //r2
; );
;
;
__aeabi_uwrite8
mov r3, r0, lsr #8
strb r0, [r2]
strb r3, [r2, #1]
mov r3, r0, lsr #16
strb r3, [r2, #2]
mov r3, r0, lsr #24
strb r3, [r2, #3]
mov r3, r1, lsr #8
strb r1, [r2, #4]
strb r3, [r2, #5]
mov r3, r1, lsr #16
strb r3, [r2, #6]
mov r3, r1, lsr #24
strb r3, [r2, #7]
END