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Fix asm for XKPHYS read for o32, constriants needed for input registers

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that are clobbered.  Fixes a crash when compiled without DEBUG
This commit is contained in:
Jayachandran C. 2010-10-05 05:49:38 +00:00
parent 699ef999ee
commit 2859cf2ad2
1 changed files with 14 additions and 13 deletions
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27
sys/mips/rmi/rmi_mips_exts.h
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@ -39,7 +39,7 @@
#define CPU_BLOCKID_MMU 4
#define CPU_BLOCKID_PRF 5
#define LSU_CERRLOG_REGID 9
#define LSU_CERRLOG_REGID 9
#if defined(__mips_n64) || defined(__mips_n32)
static __inline uint64_t
@ -481,14 +481,15 @@ xlr_paddr_lw(uint64_t paddr)
__asm__ __volatile__(
".set push \n\t"
".set mips64 \n\t"
"dsll32 %1, %1, 0 \n\t"
"dsll32 %2, %2, 0 \n\t" /* get rid of the */
"dsrl32 %2, %2, 0 \n\t" /* sign extend */
"or %0, %1, %2 \n\t"
"lw %0, 0(%0) \n\t"
"dsll32 $8, %1, 0 \n\t"
"dsll32 $9, %2, 0 \n\t" /* get rid of the */
"dsrl32 $9, $9, 0 \n\t" /* sign extend */
"or $9, $8, $8 \n\t"
"lw %0, 0($9) \n\t"
".set pop \n"
: "=&r"(val)
: "r"(addrh), "r"(addrl));
: "=r"(val)
: "r"(addrh), "r"(addrl)
: "$8", "$9");
return (val);
}
@ -505,14 +506,14 @@ xlr_paddr_ld(uint64_t paddr)
__asm__ __volatile__(
".set push \n\t"
".set mips64 \n\t"
"dsll32 %2, %2, 0 \n\t"
"dsll32 %3, %3, 0 \n\t" /* get rid of the */
"dsrl32 %3, %3, 0 \n\t" /* sign extend */
"or %0, %2, %3 \n\t"
"dsll32 %0, %2, 0 \n\t"
"dsll32 %1, %3, 0 \n\t" /* get rid of the */
"dsrl32 %1, %1, 0 \n\t" /* sign extend */
"or %0, %0, %1 \n\t"
"lw %1, 4(%0) \n\t"
"lw %0, 0(%0) \n\t"
".set pop \n"
: "=&r"(valh), "=r"(vall)
: "=&r"(valh), "=&r"(vall)
: "r"(addrh), "r"(addrl));
return (((uint64_t)valh << 32) | vall);