diff options
Diffstat (limited to 'MdePkg/Library')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ipf/AccessGcr.s | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/MdePkg/Library/BaseLib/Ipf/AccessGcr.s b/MdePkg/Library/BaseLib/Ipf/AccessGcr.s index 54b3a30a6d..dc038ff338 100644 --- a/MdePkg/Library/BaseLib/Ipf/AccessGcr.s +++ b/MdePkg/Library/BaseLib/Ipf/AccessGcr.s @@ -204,13 +204,23 @@ AsmReadIva:: .text
.type AsmWriteIva, @function
.proc AsmWriteIva
-.regstk 1, 0, 0, 0
+.regstk 1, 3, 0, 0
+ + alloc loc1=ar.pfs,1,4,0,0 ;;
+ + mov loc2 = psr + rsm 0x6000 // Make sure interrupts are masked AsmWriteIva::
- mov cr.iva = in0
- mov r8 = in0;;
- br.ret.dpnt b0;;
-.endp AsmWriteIva
+ mov cr.iva = in0
+ srlz.i;; + mov psr.l = loc2;; + srlz.i;; + srlz.d;; + mov ar.pfs=loc1 ;;
+ mov r8 = in0;;
+ br.ret.dpnt b0;;
+.endp AsmWriteIva
//---------------------------------------------------------------------------------
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