Date: Wed, 18 Apr 2007 13:45:54 GMT From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 118360 for review Message-ID: <200704181345.l3IDjs8n057650@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=118360 Change 118360 by gonzo@gonzo_jeeves on 2007/04/18 13:45:08 o Implement fubyte, fusword, fuswintr, susword, suswintr. Affected files ... .. //depot/projects/mips2/src/sys/mips/mips/support.S#12 edit Differences ... ==== //depot/projects/mips2/src/sys/mips/mips/support.S#12 (text+ko) ==== @@ -145,10 +145,15 @@ * <v0>int susword(<a0>void *addr, <a1>int shortword) */ ENTRY(susword) - break - li v0, -1 - jr ra - nop + lw t2, pcpup + lw v1, PC_CURPCB(t2) + la v0, _C_LABEL(fswberr) + blt a0, zero, _C_LABEL(fswberr) + sw v0, PCB_ONFAULT(v1) + sh a1, 0(a0) # store short word + sw zero, PCB_ONFAULT(v1) + j ra + move v0, zero END(susword) /* @@ -156,10 +161,15 @@ * <v0>int suswintr(<a0>void *addr, <a1>int shortword) */ ENTRY(suswintr) - break - li v0, -1 - jr ra - nop + lw t2, pcpup + lw v1, PC_CURPCB(t2) + la v0, _C_LABEL(fswintrberr) + blt a0, zero, _C_LABEL(fswintrberr) + sw v0, PCB_ONFAULT(v1) + sh a1, 0(a0) # store short word + sw zero, PCB_ONFAULT(v1) + j ra + move v0, zero END(suswintr) /* @@ -193,7 +203,6 @@ sw zero, PCB_ONFAULT(v1) j ra move v0, zero - END(suword32) /* @@ -217,9 +226,14 @@ * <v0>int fubyte(<a0>const void *addr) */ ENTRY(fubyte) - break - li v0, -1 - jr ra + lw t2, pcpup + lw v1, PC_CURPCB(t2) + la a1, _C_LABEL(fswberr) + blt a0, zero, _C_LABEL(fswberr) + sw a1, PCB_ONFAULT(v1) + lb v0, 0(a0) # fetch byte + sw zero, PCB_ONFAULT(v1) + j ra nop END(fubyte) @@ -228,10 +242,14 @@ * <v0>int fusword(<a0>const void *addr) */ ENTRY(fusword) - break - li v0, -1 - jr ra - nop + lw t2, pcpup + lw v1, PC_CURPCB(t2) + la v0, _C_LABEL(fswberr) + blt a0, zero, _C_LABEL(fswberr) + sw v0, PCB_ONFAULT(v1) + lhu v0, 0(a0) # fetch short word + j ra + sw zero, PCB_ONFAULT(v1) END(fusword) /* @@ -239,10 +257,14 @@ * <v0>int fuswintr(<a0>const void *addr) */ ENTRY(fuswintr) - break - li v0, -1 - jr ra - nop + lw t2, pcpup + lw v1, PC_CURPCB(t2) + la v0, _C_LABEL(fswintrberr) + blt a0, zero, _C_LABEL(fswintrberr) + sw v0, PCB_ONFAULT(v1) + lhu v0, 0(a0) # fetch short word + j ra + sw zero, PCB_ONFAULT(v1) END(fuswintr) /* @@ -255,7 +277,7 @@ la v0, _C_LABEL(fswberr) blt a0, zero, _C_LABEL(fswberr) sw v0, PCB_ONFAULT(v1) - lw v0, 0(a0) # store byte + lw v0, 0(a0) # fetch word j ra sw zero, PCB_ONFAULT(v1) END(fuword) @@ -263,12 +285,17 @@ /* * fuword32(9) * <v0>int fuword32(<a0>const void *addr) + * XXXMIPS: MIPS32 implementation only. */ ENTRY(fuword32) - break - li v0, -1 - jr ra - nop + lw t2, pcpup + lw v1, PC_CURPCB(t2) + la v0, _C_LABEL(fswberr) + blt a0, zero, _C_LABEL(fswberr) + sw v0, PCB_ONFAULT(v1) + lw v0, 0(a0) # fetch word + j ra + sw zero, PCB_ONFAULT(v1) END(fuword32) /*
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