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Fix some confusion regarding traps that use mmu globals but don't really

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have any reason to; force alternat globals instead, which is what we want.
This commit is contained in:
Jake Burkholder 2002-08-15 05:46:42 +00:00
parent b5d2ed3047
commit 0db0a7019c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=101899
1 changed files with 4 additions and 2 deletions
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6
sys/sparc64/sparc64/exception.S
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@ -466,6 +466,7 @@ END(rsf_fatal)
.endm
.macro tl0_insn_excptn
wrpr %g0, PSTATE_ALT, %pstate
wr %g0, ASI_IMMU, %asi
rdpr %tpc, %g3
ldxa [%g0 + AA_IMMU_SFSR] %asi, %g4
@ -477,6 +478,7 @@ END(rsf_fatal)
.endm
.macro tl0_data_excptn
wrpr %g0, PSTATE_ALT, %pstate
wr %g0, ASI_DMMU, %asi
ldxa [%g0 + AA_DMMU_SFAR] %asi, %g3
ldxa [%g0 + AA_DMMU_SFSR] %asi, %g4
@ -1073,6 +1075,7 @@ END(tl0_sftrap)
.endm
.macro tl1_insn_excptn
wrpr %g0, PSTATE_ALT, %pstate
wr %g0, ASI_IMMU, %asi
rdpr %tpc, %g3
ldxa [%g0 + AA_IMMU_SFSR] %asi, %g4
@ -1092,13 +1095,13 @@ ENTRY(tl1_insn_exceptn_trap)
END(tl1_insn_exceptn_trap)
.macro tl1_data_excptn
wrpr %g0, PSTATE_ALT, %pstate
b,a %xcc, tl1_data_excptn_trap
nop
.align 32
.endm
ENTRY(tl1_data_excptn_trap)
wrpr %g0, PSTATE_ALT, %pstate
RESUME_SPILLFILL_MMU_CLR_SFSR
b %xcc, tl1_sfsr_trap
mov T_DATA_EXCEPTION | T_KERNEL, %g2
@ -1111,7 +1114,6 @@ END(tl1_data_excptn_trap)
.endm
ENTRY(tl1_align_trap)
wrpr %g0, PSTATE_ALT, %pstate
RESUME_SPILLFILL_ALIGN
b %xcc, tl1_sfsr_trap
mov T_MEM_ADDRESS_NOT_ALIGNED | T_KERNEL, %g2