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Use ta0 instead of t4 and ta1 instead of t5. These map to the same

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registers on O32 builds, but t4 and t5 don't exist on N32 or N64.
This commit is contained in:
Warner Losh 2009-07-06 07:45:02 +00:00
parent 10c8cc2b9f
commit e3c2111d5c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/mips/; revision=195395
1 changed files with 6 additions and 6 deletions
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12
sys/mips/mips/tlb.S
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@ -432,17 +432,17 @@ LEAF(Mips_TLBRead)
MIPS_CPU_NOP_DELAY
mfc0 t2, COP_0_TLB_PG_MASK # fetch the hi entry
_MFC0 t3, COP_0_TLB_HI # fetch the hi entry
_MFC0 t4, COP_0_TLB_LO0 # See what we got
_MFC0 t5, COP_0_TLB_LO1 # See what we got
_MFC0 ta0, COP_0_TLB_LO0 # See what we got
_MFC0 ta1, COP_0_TLB_LO1 # See what we got
_MTC0 t0, COP_0_TLB_HI # restore PID
MIPS_CPU_NOP_DELAY
mtc0 v1, COP_0_STATUS_REG # Restore the status register
ITLBNOPFIX
sw t2, 0(a1)
sw t3, 4(a1)
sw t4, 8(a1)
sw ta0, 8(a1)
j ra
sw t5, 12(a1)
sw ta1, 12(a1)
END(Mips_TLBRead)
/*--------------------------------------------------------------------------
@ -478,7 +478,7 @@ LEAF(mips_TBIAP)
mfc0 v1, COP_0_STATUS_REG # save status register
mtc0 zero, COP_0_STATUS_REG # disable interrupts
_MFC0 t4, COP_0_TLB_HI # Get current PID
_MFC0 ta0, COP_0_TLB_HI # Get current PID
move t2, a0
mfc0 t1, COP_0_TLB_WIRED
li v0, MIPS_KSEG0_START # invalid address
@ -517,7 +517,7 @@ LEAF(mips_TBIAP)
bne t1, t2, 1b
nop
_MTC0 t4, COP_0_TLB_HI # restore PID
_MTC0 ta0, COP_0_TLB_HI # restore PID
mtc0 t3, COP_0_TLB_PG_MASK # restore pgMask
MIPS_CPU_NOP_DELAY
mtc0 v1, COP_0_STATUS_REG # restore status register