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Diffstat (limited to 'MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s')
-rw-r--r--MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s15
1 files changed, 8 insertions, 7 deletions
diff --git a/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s b/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s
index 608830496c..c50eeb89f3 100644
--- a/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s
+++ b/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s
@@ -23,20 +23,21 @@
.proc CpuFlushTlb
.type CpuFlushTlb, @function
CpuFlushTlb::
- alloc loc0 = ar.pfs, 0, 2, 5, 0
+ alloc loc0 = ar.pfs, 0, 3, 5, 0
mov out0 = 0
mov out1 = 6
mov out2 = 0
mov out3 = 0
- mov out4 = 0
mov loc1 = b0
- br.call.sptk b0 = PalCallStatic
- rsm 1 << 14 // Disable interrupts
+ mov out4 = 0
+ brl.call.sptk b0 = PalCallStatic
+ mov loc2 = psr // save PSR
mov ar.pfs = loc0
extr.u r14 = r10, 32, 32 // r14 <- count1
+ rsm 1 << 14 // Disable interrupts
extr.u r15 = r11, 32, 32 // r15 <- stride1
extr.u r10 = r10, 0, 32 // r10 <- count2
- mov loc0 = psr
+ add r10 = -1, r10
extr.u r11 = r11, 0, 32 // r11 <- stride2
br.cond.sptk LoopPredicate
LoopOuter:
@@ -48,10 +49,10 @@ Loop:
br.ctop.sptk Loop
add r9 = r15, r9 // r9 += stride1
LoopPredicate:
- cmp.ne p6, p7 = r0, r14 // count1 == 0?
+ cmp.ne p6 = r0, r14 // count1 == 0?
add r14 = -1, r14
(p6) br.cond.sptk LoopOuter
- mov psr.l = loc0
+ mov psr.l = loc2
mov b0 = loc1
br.ret.sptk.many b0
.endp