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-rw-r--r--MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s38
1 files changed, 33 insertions, 5 deletions
diff --git a/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s b/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s
index 0afd87e88b..608830496c 100644
--- a/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s
+++ b/MdePkg/Library/BaseLib/Ipf/CpuFlushTlb.s
@@ -17,13 +17,41 @@
.auto
.text
+.global PalCallStatic
+.type PalCallStatic, @function
+
.proc CpuFlushTlb
.type CpuFlushTlb, @function
CpuFlushTlb::
- mov r8 = ip
- mov r9 = -1
- dep.z r10 = -1, 61, 3
- and r8 = r8, r10
- ptc.l r8, r9
+ alloc loc0 = ar.pfs, 0, 2, 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 ar.pfs = loc0
+ extr.u r14 = r10, 32, 32 // r14 <- count1
+ extr.u r15 = r11, 32, 32 // r15 <- stride1
+ extr.u r10 = r10, 0, 32 // r10 <- count2
+ mov loc0 = psr
+ extr.u r11 = r11, 0, 32 // r11 <- stride2
+ br.cond.sptk LoopPredicate
+LoopOuter:
+ mov ar.lc = r10 // LC <- count2
+ mov ar.ec = r0 // EC <- 0
+Loop:
+ ptc.e r9
+ add r9 = r11, r9 // r9 += stride2
+ br.ctop.sptk Loop
+ add r9 = r15, r9 // r9 += stride1
+LoopPredicate:
+ cmp.ne p6, p7 = r0, r14 // count1 == 0?
+ add r14 = -1, r14
+(p6) br.cond.sptk LoopOuter
+ mov psr.l = loc0
+ mov b0 = loc1
br.ret.sptk.many b0
.endp