diff options
Diffstat (limited to 'ArmPkg/Library')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm | 28 | ||||
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm | 28 |
2 files changed, 55 insertions, 1 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm index da3ea3e31e..9aefa808de 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm @@ -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
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm index deb0189327..cbf1793af4 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm @@ -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 |