pcsx2/unfree/fps2bios/kernel/iopload/sysclib/sysclib.c

584 lines
12 KiB
C

#include <tamtypes.h>
#include <stddef.h>
#include <limits.h>
#include <errno.h>
#include "kloadcore.h"
#include "stdarg.h"
#include "ksysclib.h"
typedef struct _jmp_buf{
int ra,
sp,
fp,
s0,
s1,
s2,
s3,
s4,
s5,
s6,
s7,
gp;
} *jmp_buf;
int _start(int argc, char* argv[]);
unsigned char ctype_table[128]={
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x08, 0x08, 0x08, 0x08, 0x08, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
0x18, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
0x04, 0x04, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,
0x01, 0x01, 0x01, 0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x42, 0x42, 0x42, 0x42, 0x42, 0x42, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02,
0x02, 0x02, 0x02, 0x10, 0x10, 0x10, 0x10, 0x20
};
int setjmp (jmp_buf jb){
asm __volatile__(
"sw $31, 0($4)\n" //$ra, JUMP_BUFFER.ra($a0)
"sw $28, 4($4)\n" //$gp, JUMP_BUFFER.gp($a0)
"sw $29, 8($4)\n" //$sp, JUMP_BUFFER.sp($a0)
"sw $30, 12($4)\n" //$fp, JUMP_BUFFER.fp($a0)
"sw $16, 16($4)\n" //$s0, JUMP_BUFFER.s0($a0)
"sw $17, 20($4)\n" //$s1, JUMP_BUFFER.s1($a0)
"sw $18, 24($4)\n" //$s2, JUMP_BUFFER.s2($a0)
"sw $19, 28($4)\n" //$s3, JUMP_BUFFER.s3($a0)
"sw $20, 32($4)\n" //$s4, JUMP_BUFFER.s4($a0)
"sw $21, 36($4)\n" //$s5, JUMP_BUFFER.s5($a0)
"sw $22, 40($4)\n" //$s6, JUMP_BUFFER.s6($a0)
"sw $23, 44($4)\n" //$s7, JUMP_BUFFER.s7($a0)
);
return 0;
}
int longjmp(void *jb, int u){
asm __volatile__(
"lw $31, 0($4)\n" //$ra, JUMP_BUFFER.ra($a0)
"lw $28, 4($4)\n" //$gp, JUMP_BUFFER.gp($a0)
"lw $29, 8($4)\n" //$sp, JUMP_BUFFER.sp($a0)
"lw $30, 12($4)\n" //$fp, JUMP_BUFFER.fp($a0)
"lw $16, 16($4)\n" //$s0, JUMP_BUFFER.s0($a0)
"lw $17, 20($4)\n" //$s1, JUMP_BUFFER.s1($a0)
"lw $18, 24($4)\n" //$s2, JUMP_BUFFER.s2($a0)
"lw $19, 28($4)\n" //$s3, JUMP_BUFFER.s3($a0)
"lw $20, 32($4)\n" //$s4, JUMP_BUFFER.s4($a0)
"lw $21, 36($4)\n" //$s5, JUMP_BUFFER.s5($a0)
"lw $22, 40($4)\n" //$s6, JUMP_BUFFER.s6($a0)
"lw $23, 44($4)\n" //$s7, JUMP_BUFFER.s7($a0)
);
return u;
}
#define CHAR(a) (((a)<<24)>>24)
unsigned char look_ctype_table(int);
int toupper (int ch){
if (look_ctype_table(CHAR(ch)) & 0x0002)
return CHAR(ch-32);
return CHAR(ch);
}
int tolower (int ch){
if (look_ctype_table(CHAR(ch)) & 0x0001)
return CHAR(ch+32);
return CHAR(ch);
}
unsigned char look_ctype_table(int pos){
return ctype_table[pos];
}
void* get_ctype_table(){
return ctype_table;
}
void* memchr(void *s, int ch, int len){
if (s && len>0) {
ch &= 0xFF;
do {
if (*(unsigned char*)s == ch)
return s;
} while(s++, --len>0);
}
return NULL;
}
int memcmp(const void *a, const void *b, size_t len){
if (len == 0) return 0;
do {
if (*(unsigned char*)a != *(unsigned char*)b) {
if (*(unsigned char*)a < *(unsigned char*)b) return 1;
else return -1;
}
} while (a++, b++, --len>0);
return 0;
}
void* memcpy(void *dest, const void *src, size_t len){
void *temp;
if (dest == NULL) return NULL;
// if (((int)dest | (int)src | len) & 3 == 0)
// return wmemcopy(dest, src, len);
for(temp=dest; len>0; len--)
*(unsigned char*)temp++ = *(unsigned char*)src++;
return dest;
}
void *memmove (void *dest, const void *src, size_t len){
void *temp;
if (dest==NULL) return NULL;
temp=dest;
if (dest>=src)
for (len--; len>=0; len--)
*(unsigned char*)(temp+len)=*(unsigned char*)(src+len);
else
for ( ; len>0; len--)
*(unsigned char*)temp++ =*(unsigned char*)src++;
return dest;
}
void *memset (void *dest, int ch, size_t len){
void *temp;
if (dest == NULL) return NULL;
/* if ((ch==0) && (((int)dest | len) & 3 == 0))
return wmemset(dest, 0, len);
else
*/ for (temp=dest; len>0; len--)
*(unsigned char*)temp++ = ch;
return dest;
}
int bcmp (const void *a, const void *b, size_t len){
return memcmp(a, b, len);
}
void bcopy (const void *src, void *dest, size_t len){
memmove(dest, src, len);
}
void bzero (void *dest, size_t len){
memset(dest, 0, len);
}
char *strcat(char *dest, const char *src) {
char *s = dest;
while (*dest) dest++;
while (*dest++ = *src++);
return s;
}
char *strncat(char *dest, const char *src, size_t n) {
char *s = dest;
while (*dest) dest++;
while (n-- > 0 && (*dest++ = *src++));
*dest = '\0';
return s;
}
char *strchr(const char *s, int c) {
unsigned char _c = (unsigned int)c;
while (*s && *s != c) s++;
if (*s != c) s = NULL;
return (char *)s;
}
char *strrchr(const char *s, int c) {
const char *last = NULL;
if (c) {
while (s = strchr(s, c)) {
last = s++;
}
} else {
last = strchr(s, c);
}
return (char *)last;
}
int strcmp(const char *s1, const char *s2) {
while (*s1 != '\0' && *s1 == *s2) {
s1++; s2++;
}
return (*(unsigned char *)s1) - (*(unsigned char *)s2);
}
int strncmp(const char *s1, const char *s2, size_t n) {
if (n == 0) return 0;
while (n-- != 0 && *s1 == *s2) {
if (n == 0 || *s1 == '\0') break;
s1++; s2++;
}
return (*(unsigned char *)s1) - (*(unsigned char *)s2);
}
char *strcpy(char *dest, const char *src) {
char *s = dest;
while (*dest++ = *src++);
return s;
}
char *strncpy(char *dest, const char *src, size_t n) {
char *s = dest;
while (*dest++ = *src++);
return s;
}
size_t strspn(const char *s, const char *accept) {
const char *_s = s;
const char *c;
while (*s) {
for (c = accept; *c; c++) {
if (*s == *c) break;
}
if (*c == '\0') break;
s++;
}
return s - _s;
}
size_t strcspn(const char *s, const char *reject) {
const char *_s = s;
const char *c;
while (*s) {
for (c = reject; *c; c++) {
if (*s == *c) break;
}
if (*c) break;
s++;
}
return s - _s;
}
char *index(const char *s, int c) {
return strchr(s, c);
}
char *rindex(const char *s, int c) {
return strrchr(s, c);
}
int strlen (const char *s) {
const char *start = s;
while (*s) s++;
return s - start;
}
char *strpbrk(const char *s, const char *accept) {
const char *c = accept;
if (!*s) return NULL;
while (*s) {
for (c = accept; *c; c++) {
if (*s == *c) break;
}
if (*c) break;
s++;
}
if (*c == '\0') s = NULL;
return (char *)s;
}
char *strstr(const char *haystack, const char *needle) {
if (*haystack == 0) {
if (*needle) return (char *) NULL;
return (char *) haystack;
}
while (*haystack) {
size_t i;
i = 0;
for (;;) {
if (needle[i] == 0) {
return (char *) haystack;
}
if (needle[i] != haystack[i]) break;
i++;
}
haystack++;
}
return (char *) NULL;
}
#define _CTYPE_DATA_0_127 \
_C, _C, _C, _C, _C, _C, _C, _C, \
_C, _C|_S, _C|_S, _C|_S, _C|_S, _C|_S, _C, _C, \
_C, _C, _C, _C, _C, _C, _C, _C, \
_C, _C, _C, _C, _C, _C, _C, _C, \
_S|_B, _P, _P, _P, _P, _P, _P, _P, \
_P, _P, _P, _P, _P, _P, _P, _P, \
_N, _N, _N, _N, _N, _N, _N, _N, \
_N, _N, _P, _P, _P, _P, _P, _P, \
_P, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U|_X, _U, \
_U, _U, _U, _U, _U, _U, _U, _U, \
_U, _U, _U, _U, _U, _U, _U, _U, \
_U, _U, _U, _P, _P, _P, _P, _P, \
_P, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L|_X, _L, \
_L, _L, _L, _L, _L, _L, _L, _L, \
_L, _L, _L, _L, _L, _L, _L, _L, \
_L, _L, _L, _P, _P, _P, _P, _C
#define _CTYPE_DATA_128_256 \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0, 0
const char _ctype_[1 + 256] = {
0,
_CTYPE_DATA_0_127,
_CTYPE_DATA_128_256
};
char *strtok(char *s, const char *delim) {
}
long _strtol_r(const char *nptr, char **endptr, int base) {
register const char *s = nptr;
register unsigned long acc;
register int c;
register unsigned long cutoff;
register int neg = 0, any, cutlim;
/*
* Skip white space and pick up leading +/- sign if any.
* If base is 0, allow 0x for hex and 0 for octal, else
* assume decimal; if base is already 16, allow 0x.
*/
do {
c = *s++;
} while (isspace(c));
if (c == '-') {
neg = 1;
c = *s++;
} else if (c == '+')
c = *s++;
if ((base == 0 || base == 16) &&
c == '0' && (*s == 'x' || *s == 'X')) {
c = s[1];
s += 2;
base = 16;
}
if (base == 0)
base = c == '0' ? 8 : 10;
/*
* Compute the cutoff value between legal numbers and illegal
* numbers. That is the largest legal value, divided by the
* base. An input number that is greater than this value, if
* followed by a legal input character, is too big. One that
* is equal to this value may be valid or not; the limit
* between valid and invalid numbers is then based on the last
* digit. For instance, if the range for longs is
* [-2147483648..2147483647] and the input base is 10,
* cutoff will be set to 214748364 and cutlim to either
* 7 (neg==0) or 8 (neg==1), meaning that if we have accumulated
* a value > 214748364, or equal but the next digit is > 7 (or 8),
* the number is too big, and we will return a range error.
*
* Set any if any `digits' consumed; make it negative to indicate
* overflow.
*/
cutoff = neg ? -(unsigned long)LONG_MIN : LONG_MAX;
cutlim = cutoff % (unsigned long)base;
cutoff /= (unsigned long)base;
for (acc = 0, any = 0;; c = *s++) {
if (isdigit(c))
c -= '0';
else if (isalpha(c))
c -= isupper(c) ? 'A' - 10 : 'a' - 10;
else
break;
if (c >= base)
break;
if (any < 0 || acc > cutoff || (acc == cutoff && c > cutlim))
any = -1;
else {
any = 1;
acc *= base;
acc += c;
}
}
if (any < 0) {
acc = neg ? LONG_MIN : LONG_MAX;
// rptr->_errno = ERANGE;
} else if (neg)
acc = -acc;
if (endptr != 0)
*endptr = (char *) (any ? s - 1 : nptr);
return (acc);
}
long int strtol(const char *nptr, char **endptr, int base) {
return _strtol_r (nptr, endptr, base);
}
unsigned long int strtoul(const char *nptr, char **endptr, int base) {
}
void atob() {
}
wchar_t *wmemcpy(wchar_t *dest, const wchar_t *src, size_t n) {
}
wchar_t *wmemset(wchar_t *wcs, wchar_t wc, size_t n) {
}
void prnt() {
}
int sprintf(char *str, const char *format, ...) {
}
int vsprintf(char *str, const char *format, va_list ap) {
}
///////////////////////////////////////////////////////////////////////
void _retonly(){}
struct export sysclib_stub={
0x41C00000,
0,
VER(1, 1), // 1.1 => 0x101
0,
"sysclib",
(func)_start, // entrypoint
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)setjmp,
(func)longjmp,
(func)toupper,
(func)tolower,
(func)look_ctype_table,
(func)get_ctype_table,
(func)memchr,
(func)memcmp,
(func)memcpy,
(func)memmove,
(func)memset,
(func)bcmp,
(func)bcopy,
(func)bzero,
(func)prnt,
(func)sprintf,
(func)strcat,
(func)strchr,
(func)strcmp,
(func)strcpy,
(func)strcspn,
(func)index,
(func)rindex,
(func)strlen,
(func)strncat,
(func)strncmp,
(func)strncpy,
(func)strpbrk,
(func)strrchr,
(func)strspn,
(func)strstr,
(func)strtok,
(func)strtol,
(func)atob,
(func)strtoul,
(func)wmemcpy,
(func)wmemset,
(func)vsprintf,
0
};
struct export stdio_stub={
0x41C00000,
0,
VER(1, 2), // 1.2 => 0x102
0,
"stdio",
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
(func)_retonly,
};
//////////////////////////////entrypoint///////////////////////////////
int _start(int argc, char* argv[]){
int ret = RegisterLibraryEntries(&sysclib_stub);
return RegisterLibraryEntries(&stdio_stub) + ret;
}