From 1312fe298b0df5f5a8860c6acdb6020f8f74d024 Mon Sep 17 00:00:00 2001 From: David Given Date: Tue, 21 May 2013 20:05:26 +0100 Subject: [PATCH] Now compiles (incorrectly) the entire libc, libpc, libm2 and libbasic! --HG-- branch : dtrg-videocore --- mach/vc4/ncg/table | 220 ++++++++++++++++++++++++++------------ plat/rpi/include/unistd.h | 20 ++++ 2 files changed, 173 insertions(+), 67 deletions(-) diff --git a/mach/vc4/ncg/table b/mach/vc4/ncg/table index 368c6177e..fd9a106e8 100644 --- a/mach/vc4/ncg/table +++ b/mach/vc4/ncg/table @@ -293,7 +293,8 @@ PATTERNS leaving dup 4 ste $1 - + + /* Type conversions */ @@ -450,22 +451,30 @@ PATTERNS loc 0 ste $1 -#if 0 pat ine /* Increment external */ - uses REG={LABEL, $1}, REG - gen - lwz %b, {GPROFFSET, %a, 0} - addi %b, %b, {CONST, 1} - stw %b, {GPROFFSET, %a, 0} - + leaving + lae $1 + dup QUAD + loi QUAD + inc + sti QUAD + pat dee /* Decrement external */ - uses REG={LABEL, $1}, REG - gen - lwz %b, {GPROFFSET, %a, 0} - addi %b, %b, {CONST, 0-1} - stw %b, {GPROFFSET, %a, 0} -#endif - + leaving + lae $1 + dup QUAD + loi QUAD + dec + sti QUAD + + pat lde /* Load external */ + uses REG, REG + gen + lea %a, {LABEL, $1} + ld %b, {GPROFFSET, %a, 4} + ld %a, {GPROFFSET, %a, 0} + yields %b %a + /* Structures */ @@ -474,13 +483,30 @@ PATTERNS leaving adp $1 loi QUAD - - + + pat ldf /* Load double offsetted */ + with GPRI + uses reusing %1, REG=%1, REG + gen + add %a, GP + ld %b, {GPROFFSET, %a, $1+4} + ld %a, {GPROFFSET, %a, $1+0} + yields %a %b + pat stf /* Store word offsetted */ leaving adp $1 sti QUAD - + + pat sdf /* Store double offsetted */ + with GPRI GPRI GPRI + uses reusing %3, REG=%3 + gen + add %a, GP + st %1, {GPROFFSET, %a, $1+0} + st %2, {GPROFFSET, %a, $1+4} + + /* Loads and stores */ @@ -659,6 +685,54 @@ PATTERNS sub %a, %1 yields %a + pat mli $1==QUAD /* Multiply word (second * top) */ + with GPRI+CONST GPRI + uses reusing %2, REG=%2 + gen + mul %a, %1 + yields %a + with GPRI GPRI+CONST + uses reusing %1, REG=%1 + gen + mul %a, %2 + yields %a + + pat mlu + leaving + mli $1 + + pat dvi $1==QUAD /* Divide word (second / top) */ + with GPRI GPRI + uses reusing %2, REG + gen + divs %a, %2, %1 + yields %a + + pat dvu $1==QUAD /* Divide unsigned word (second / top) */ + with GPRI GPRI + uses reusing %2, REG + gen + divu %a, %2, %1 + yields %a + + pat rmu $1==QUAD /* Remainder unsigned word (second % top) */ + with GPRI GPRI + uses REG + gen + divu %a, %2, %1 + mul %a, %1 + sub %a, %2 + yields %a + + pat rmi $1==QUAD /* Remainder signed word (second % top) */ + with GPRI GPRI + uses REG + gen + divs %a, %2, %1 + mul %a, %1 + sub %a, %2 + yields %a + pat ngi $1==QUAD /* Negate word */ with GPRI uses reusing %1, REG=%1 @@ -725,6 +799,15 @@ PATTERNS sub %a, %2 yields %a + pat rmi $1==QUAD /* Remainder signed word (second % top) */ + with GPRI GPRI + uses REG + gen + divs %a, %2, %1 + mul %a, %1 + sub %a, %2 + yields %a + #if 0 pat mli $1==4 /* Multiply word (second * top) */ with REG REG @@ -733,15 +816,7 @@ PATTERNS mullw %a, %2, %1 yields %a - pat rmi $1==4 /* Remainder word (second % top) */ - with REG REG - uses REG - gen - divw %a, %2, %1 - mullw %a, %a, %1 - subf %a, %a, %2 - yields %a - + pat and !defined($1) /* AND set */ with STACK gen @@ -810,30 +885,41 @@ PATTERNS gen lsr %2, %1 yields %a -#if 0 - + /* Arrays */ pat aar $1==QUAD /* Index array */ - with GPR3 GPR4 GPR5 + with STACK + uses GPR0 + gen + bl {LABEL, ".aar4stack"} + yields R0 + with GPR0 GPR1 GPR2 + uses GPR0 gen bl {LABEL, ".aar4"} - yields R3 - + yields R0 + pat lae lar $2==QUAD && nicesize(rom($1, 3)) /* Load array */ leaving lae $1 aar QUAD loi rom($1, 3) - + pat lar $1==QUAD /* Load array */ - with GPR3 GPR4 GPR5 STACK - kills ALL + with STACK + uses GPR0 + gen + bl {LABEL, ".lar4stack"} + yields R0 + with GPR0 GPR1 GPR2 + uses GPR0 gen bl {LABEL, ".lar4"} - + yields R0 + pat lae sar $2==QUAD && nicesize(rom($1, 3)) /* Store array */ leaving lae $1 @@ -841,11 +927,15 @@ PATTERNS sti rom($1, 3) pat sar $1==QUAD /* Store array */ - with GPR3 GPR4 GPR5 STACK - kills ALL + with STACK + uses GPR0 + gen + bl {LABEL, ".sar4stack"} + yields R0 + with GPR0 GPR1 GPR2 + uses GPR0 gen bl {LABEL, ".sar4"} - @@ -854,25 +944,30 @@ PATTERNS pat set defined($1) /* Create word with set bit */ leaving loc 1 - exg QUAD - sli QUAD - + exg $1 + sli $1 + pat set !defined($1) /* Create structure with set bit (variable) */ - with GPR3 GPR4 STACK + with STACK gen bl {LABEL, ".set"} - + pat inn defined($1) /* Test for set bit */ leaving set QUAD and QUAD - + pat inn !defined($1) /* Test for set bit (variable) */ - with GPR3 STACK + with GPR0 STACK gen bl {LABEL, ".inn"} -#endif - + yields R0 + + pat ior !defined($1) /* Or two sets */ + with STACK + gen + bl {LABEL, ".ior"} + /* Boolean resolutions */ @@ -1095,28 +1190,16 @@ PATTERNS pop FP, PC pat blm /* Block move constant length */ - with GPRI GPRI STACK - uses REG - gen - sub SP, {CONST, 12} - mov %a, {CONST, $1} - st %1, {GPROFFSET, SP, 0} - st %2, {GPROFFSET, SP, 4} - st %a, {GPROFFSET, SP, 8} - bl {LABEL, "_memmove"} - add SP, {CONST, 12} - -#if 0 + leaving + loc $1 + bls + pat bls /* Block move variable length */ - with GPR GPR GPR STACK + with STACK + kills ALL gen - stwu %1, {GPROFFSET, SP, 0-4} - stwu %3, {GPROFFSET, SP, 0-4} - stwu %2, {GPROFFSET, SP, 0-4} bl {LABEL, "_memmove"} - addi SP, SP, {CONST, 12} -#endif - + pat csa /* Array-lookup switch */ with STACK gen @@ -1328,3 +1411,6 @@ PATTERNS bl {LABEL, ".fef"} yields R0 R1 + pat zrf /* Load a floating zero */ + leaving + loc 0 diff --git a/plat/rpi/include/unistd.h b/plat/rpi/include/unistd.h index ddd8739d3..4cbf43c58 100644 --- a/plat/rpi/include/unistd.h +++ b/plat/rpi/include/unistd.h @@ -9,12 +9,32 @@ #define _UNISTD_H #include +#include /* Types */ typedef int pid_t; typedef int mode_t; +typedef long suseconds_t; + +/* Time handling. */ + +struct timeval +{ + time_t tv_sec; + suseconds_t tv_usec; +}; + +struct timezone +{ + int tz_minuteswest; + int tz_dsttime; +}; /* obsolete, unused */ + +extern int gettimeofday(struct timeval* tv, struct timezone* tz); +extern int settimeofday(const struct timeval* tv, const struct timezone* tz); + /* Constants for file access (open and friends) */ enum -- 2.34.1