Date: Tue, 26 Feb 2008 14:18:05 GMT From: "Randall R. Stewart" <rrs@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 136245 for review Message-ID: <200802261418.m1QEI5nD046363@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=136245 Change 136245 by rrs@rrs-mips2-jnpr on 2008/02/26 14:17:52 New do_ast Affected files ... .. //depot/projects/mips2-jnpr/src/sys/mips/include/asm.h#13 edit Differences ... ==== //depot/projects/mips2-jnpr/src/sys/mips/include/asm.h#13 (text+ko) ==== @@ -306,21 +306,30 @@ /* * Call ast if required */ -#define DO_AST \ - GET_CPU_PCPU(a0) \ - lw a0, PC_CURTHREAD(a0); \ - lw t0, TD_FLAGS(a0); \ - and t0, t0, (TDF_ASTPENDING|TDF_NEEDRESCHED); \ - beq t0, zero, 27f; \ - nop; \ - lw a0, TD_FRAME(a0); \ - lw t0, TF_REG_SR(a0); \ - and t0, t0, SR_KSU_USER; \ - beq t0, zero, 27f; \ - nop; \ - jal ast; \ - nop; \ -27: +#define DO_AST \ +44: \ + GET_CPU_PCPU(a1) ;\ + lw a1, PC_CURPCB(a1) ;\ + la s0, _C_LABEL(disableintr) ;\ + jalr s0 ;\ + nop ;\ + GET_CPU_PCPU(s1) ;\ + lw s3, PC_CURPCB(s1) ;\ + lw s1, PC_CURTHREAD(s1) ;\ + lw s2, TD_FLAGS(s1) ;\ + li s0, TDF_ASTPENDING | TDF_NEEDRESCHED;\ + and s2, s0 ;\ + la s0, _C_LABEL(enableintr) ;\ + jalr s0 ;\ + nop ;\ + beq s2, zero, 4f ;\ + nop ;\ + la s0, _C_LABEL(ast) ;\ + jalr s0 ;\ + addu a0, s3, U_PCB_REGS ;\ + j 44b ;\ +4: + /* * XXX retain dialects XXX
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