More memory stuff
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@ -1,11 +1,11 @@
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//----------------------------------------------------------------------------#
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// GNU GPL OS/K #
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// #
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// Authors: spectral` #
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// NeoX #
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// #
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// Desc: Project Makefile #
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//----------------------------------------------------------------------------#
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//----------------------------------------------------------------------------//
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// GNU GPL OS/K //
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// //
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// Authors: spectral` //
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// NeoX //
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// //
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// Desc: Project Makefile //
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//----------------------------------------------------------------------------//
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// The madman's Makefile
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#include "preproc.h"
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@ -4,7 +4,7 @@
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// Authors: spectral` //
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// NeoX //
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// //
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// Desc: Conversion utilities //
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// Desc: Conversion utilities - itoa family //
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//----------------------------------------------------------------------------//
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#include <kaleid.h>
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@ -17,7 +17,7 @@
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//
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// Set "bytes"-many bytes starting from ptr to val
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//
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void *memsetb(void *ptr, int val, size_t bytes)
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void *memset(void *ptr, int val, size_t bytes)
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{
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uchar *uptr = (uchar *)ptr;
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@ -45,9 +45,7 @@ void *memsetb(void *ptr, int val, size_t bytes)
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}
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// deal with what's left
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while (bytes--) {
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*uptr++ = (uchar)val;
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}
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while (bytes--) *uptr++ = (uchar)val;
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return ptr;
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}
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@ -61,12 +59,7 @@ void *memsetw(void *ptr, int val, size_t words)
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// can't we do this an aligned way?
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if unlikely (((ulong)uptr % WORD_ALIGN) > 0) {
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// no, we can't align ourselves
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while (words--) {
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// do it the hard way
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*uptr++ = (ushort)val;
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}
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// too bad '-'
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while (words--) *uptr++ = (ushort)val;
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return uptr;
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}
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@ -92,9 +85,7 @@ void *memsetw(void *ptr, int val, size_t words)
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}
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// deal with what's left
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while (words--) {
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*uptr++ = (ushort)val;
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}
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while (words--) *uptr++ = (ushort)val;
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return ptr;
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}
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@ -135,7 +126,6 @@ void *memzero(void *ptr, size_t bytes)
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return memsetb(ptr, 0, bytes);
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}
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//
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// Copy "bytes"-many bytes of src to dst
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// Does not deal with overlapping blocks (memmove's job)
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@ -185,10 +175,45 @@ void *memcpy(void *dst, const void *src, size_t bytes)
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ushort *ubdst = (ushort *)udst;
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// deal with what's left
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while (bytes--) {
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*ubdst ++ = *ubsrc++;
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}
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while (bytes--) *ubdst ++ = *ubsrc++;
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return dst;
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}
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//
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// Move memory from src to dest
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// To be made more efficient
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//
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void *memmove(void *dst, const void *src, size_t bytes)
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{
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const uchar *usrc = src;
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uchar *udst = dst;
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if (udst < usrc) {
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while (bytes--) *udst++ = *usrc++;
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return dst;
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}
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uchar *usrc_end = (uchar *)usrc + bytes - 1;
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uchar *udst_end = udst + bytes - 1;
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while (bytes--) *udst_end-- = *usrc_end--;
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return dst;
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}
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//
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// Compare memory areas
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//
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int memcmp(const void *ptr1, const void *ptr2, size_t bytes)
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{
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const uchar *uptr1 = ptr1;
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const uchar *uptr2 = ptr2;
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while (bytes--) {
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if (*uptr1++ != *uptr2++) {
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return uptr1[-1] < uptr2[-1] ? -1 : 1;
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}
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}
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return 0;
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}
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@ -71,20 +71,20 @@ typedef struct { long quot, rem; } ldiv_t;
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// Memory management utilities //
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//------------------------------------------//
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#ifndef memset
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#define memset memsetb
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#ifndef memsetb
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#define memsetb memset
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#endif
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#ifndef memchr
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#define memchr memchrb
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#ifndef memchrb
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#define memchrb memchr
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#endif
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void *memsetb(void *, int, size_t);
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void *memset(void *, int, size_t);
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void *memsetw(void *, int, size_t);
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void *memsetd(void *, int, size_t);
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void *memsetq(void *, long, size_t);
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void *memchrb(const void *, int, size_t);
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void *memchr(const void *, int, size_t);
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void *memchrw(const void *, int, size_t);
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void *memchrd(const void *, int, size_t);
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void *memchrq(const void *, long, size_t);
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@ -20,7 +20,7 @@
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#define memsetd _osk_memsetd
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#define memsetq _osk_memsetq
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#define memchrb _osk_memchrb
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#define memchr _osk_memchrb
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#define memchrw _osk_memchrw
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#define memchrd _osk_memchrd
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#define memchrq _osk_memchrq
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@ -16,7 +16,7 @@
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# define LINK_KERNEL(out) $(KCC) $(CLDSCR) $(COMMOBJS) $(KERNOBJS) -o $(BINDIR)/out
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#endif
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#define COMPILE_CONVRT(file) $(CCC) _CSPREF $(COMMDIR)/convert.c -o $(COBJDIR)/file._OUTFIX
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#define COMPILE_CONVRT(file) $(CCC) _CSPREF $(COMMDIR)/itoa.c -o $(COBJDIR)/file._OUTFIX
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#define COMPILE_COMMON(file) $(CCC) _CSPREF $(COMMDIR)/file.c -o $(COBJDIR)/file._OUTFIX
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#define COMPILE_KERNEL(file) $(KCC) _CSPREF $(KERNDIR)/file.c -o $(KOBJDIR)/file._OUTFIX
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