Revert "Initial commit - work done up through 11 Feb 2020"

This reverts commit 2bc7401904.

arch/i386/make.config

@@ -1,8 +0,0 @@
-ARCH_CFLAGS=
-ARCH_CPPFLAGS=
-KERNEL_ARCH_CFLAGS=
-KERNEL_ARCH_CPPFLAGS=
-
-ARCH_FREEOBJS=\
-
-ARCH_HOSTEDOBJS=\

include/math.h

@@ -1,91 +0,0 @@
-#ifndef _MATH_H
-#define _MATH_H
-
-#include <sys/types.h>
-
-#if FLT_EVAL_METHOD == 1
-typedef float_t double;
-typedef double_t double;
-#elseif FLT_EVAL_METHOD == 2
-typedef float_t long double;
-typedef double_t long double;
-#else
-typedef float_t float;
-typedef double_t double;
-#endif
-
-#define M_E 2.718281828
-#define M_PI 3.14159265
-#define PI 3.14159265
-
-double acos(double);
-float acosf(float);
-long double acosl(long double);
-
-double asin(double);
-float asinf(float);
-long double asinl(long double);
-
-double atan(double);
-float atanf(float);
-long double atanl(long double);
-
-double atan2(double);
-float atan2f(float);
-long double atan2l(long double);
-
-double cos(double);
-float cosf(float);
-long double cosl(long double);
-
-double sin(double);
-float sinf(float);
-long double sinl(long double);
-
-double tan(double);
-float tanf(float);
-long double tanl(long double);
-
-double acosh(double);
-float acoshf(float);
-long double acoshl(long double);
-
-double asinh(double);
-float asinhf(float);
-long double asinhl(long double);
-
-double atanh(double);
-float atanhf(float);
-long double atanhl(long double);
-
-double cosh(double);
-float coshf(float);
-long double coshl(long double);
-
-double sinh(double);
-float sinhf(float);
-long double sinhl(long double);
-
-double tanh(double);
-float tanhf(float);
-long double tanhl(long double);
-
-double exp(double);
-float expf(float);
-long double expl(double);
-
-double exp2(double);
-float exp2f(float);
-long double exp2l(double);
-
-double expm1(double);
-float expm1f(float);
-long double expm1l(double);
-
-double frexp(double, int *);
-float frexpf(float, int *);
-long double frexpl(double, int *);
-
-
-
-#endif

include/stdio.h

@@ -1,14 +0,0 @@
-#ifndef _STDIO_H
-#define _STDIO_H
-
-#include <sys/cdefs.h>
-
-#define EOF (-1)
-
-int printf(const char * __restrict, ...);
-
-int putchar(int);
-
-int puts(const char *);
-
-#endif

include/stdlib.h

@@ -1,9 +0,0 @@
-#ifndef _STDLIB_H
-#define _STDLIB_H
-
-#include <sys/cdefs.h>
-
-__attribute__((__noreturn__))
-void abort(void);
-
-#endif

include/string.h

@@ -1,15 +0,0 @@
-#ifndef _STRING_H
-#define _STRING_H
-
-#include <sys/cdefs.h>
-
-#include <stddef.h>
-
-int memcmp(const void *, const void *, size_t);
-void * memcpy(void * __restrict, const void * __restrict, size_t);
-void * memmove(void *, const void *, size_t);
-void * memset(void *, int, size_t);
-
-size_t strlen(const char *);
-
-#endif

include/sys/cdefs.h

@@ -1,6 +0,0 @@
-#ifndef _SYS_CDEFS_H
-#define _SYS_CDEFS_H
-
-#define __fenix_libc 1
-
-#endif

include/sys/types.h

@@ -1,4 +0,0 @@
-#ifndef _SYS_TYPES_H
-#define _SYS_TYPES_H
-
-#endif /* not _HEADER */

makefile

@@ -1,92 +0,0 @@
-DEFAULT_HOST!=../default-host.sh
-HOST?=DEFAULT_HOST
-HOSTARCH!=../target-triplet-to-arch.sh $(HOST)
-
-CFLAGS?=-O2 -g
-CPPFLAGS?=
-LDFLAGS?=
-LIBS?=
-
-DESTDIR?=
-PREFIX?=/usr/local
-EXEC_PREFIX?=$(PREFIX)
-INCLUDEDIR?=$(PREFIX)/include
-LIBDIR?=$(EXEC_PREFIX)/lib
-
-CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra
-CPPFLAGS:=$(CPPFLAGS) -D__is_libc -Iinclude
-LIBK_CFLAGS:=$(CFLAGS)
-LIBK_CPPFLAGS:=$(CPPFLAGS) -D__is_libk
-
-ARCHDIR=arch/$(HOSTARCH)
-
-include $(ARCHDIR)/make.config
-
-CFLAGS:=$(CFLAGS) $(ARCH_CFLAGS)
-CPPFLAGS:=$(CPPFLAGS) $(ARCH_CPPFLAGS)
-LIBK_CFLAGS:=$(LIBK_CFLAGS) $(KERNEL_ARCH_CFLAGS)
-LIBK_CPPFLAGS:=$(LIBK_CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)
-
-FREEOBJS=\
-$(ARCH_FREEOBJS) \
-stdio/printf.o \
-stdio/putchar.o \
-stdio/puts.o \
-stdlib/abort.o \
-string/memcmp.o \
-string/memcpy.o \
-string/memmove.o \
-string/memset.o \
-string/strlen.o \
-
-HOSTEDOBJS=\
-$(ARCH_HOSTEDOBJS) \
-
-OBJS=\
-$(FREEOBJS) \
-$(HOSTEDOBJS) \
-
-LIBK_OBJS=$(FREEOBJS:.o=.libk.o)
-
-BINARIES=libk.a #Add libc.a later
-
-.PHONY: all clean install install-headers install-libs
-.SUFFIXES: .o .libk.o .c .S
-
-all: $(BINARIES)
-
-libc.a: $(OBJS)
-	$(AR) rcs $@ $(OBJS)
-
-libk.a: $(LIBK_OBJS)
-	$(AR) rcs $@ $(LIBK_OBJS)
-
-.c.o:
-	$(CC) -MD -c $< -o $@ -std=c99 $(CFLAGS) $(CPPFLAGS)
-
-.c.S:
-	$(CC) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
-
-.c.libk.o:
-	$(CC) -MD -c $< -o $@ -std=c99 $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
-
-.S.libk.o:
-	$(CC) -MD -c $< -o $@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
-
-clean:
-	rm -f $(BINARIES) *.a
-	rm -f $(OBJS) $(LIBK_OBJS) *.o */*.o */*/*.o
-	rm -f $(OBJS:.o=.d) $(LIBK_OBJS:.o=.d) *.d */*.d */*/*.d
-
-install: install-headers install-libs
-
-install-headers:
-	mkdir -p $(DESTDIR)$(INCLUDEDIR)
-	cp -R include/. $(DESTDIR)$(INCLUDEDIR)/.
-
-install-libs: $(BINARIES)
-	mkdir -p $(DESTDIR)$(INCLUDEDIR)
-	cp $(BINARIES) $(DESTDIR)$(LIBDIR)
-
--include $(OBJS:.o=.d)
--include $(LIBK_OBJS:.o=.d)

stdio/printf.c

@@ -1,107 +0,0 @@
-#include <limits.h>
-#include <stdbool.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <string.h>
-
-static bool print(const char * str, size_t len) {
-  const unsigned char * bytes = (const unsigned char *) str;
-
-  for(size_t i = 0; i < len; i++) {
-    if(putchar(bytes[i]) == EOF) {
-      return false;
-    }
-  }
-
-  return true;
-}
-
-int printf(const char * restrict format, ...) {
-  va_list parameters;
-  va_start(parameters, format);
-
-  int written = 0;
-
-  while(*format != '\0') {
-    size_t maxrem = INT_MAX - written;
-
-    if(format[0] != '%' || format[1] == '%') {
-      if(format[0] == '%') {
-	format++;
-      }
-
-      size_t amount = 1;
-
-      while(format[amount] && format[amount] != '%') {
-	amount++;
-      }
-
-      if(maxrem < amount) {
-	/* TODO: Set errno to EOVERFLOW after implementing errno.h */
-	return -1;
-      }
-
-      if(!print(format, amount)) {
-	return -1;
-      }
-
-      format += amount;
-      written += amount;
-      continue;
-    }
-
-    const char * format_begun_at = format++;
-
-    /* TODO: Implement all format specifiers (%g, %o, &c.) */
-    if(*format == 'c') {
-      format++;
-      char c = (char) va_arg(parameters, int);
-
-      if(!maxrem) {
-	/* TODO: Set errno to EOVERFLOW after implementing errno.h */
-	return -1;
-      }
-
-      if(!print(&c, sizeof(c))) {
-	return -1;
-      }
-
-      written++;
-    }
-    else if(*format == 's') {
-      format++;
-      const char * str = va_arg(parameters, const char *);
-      size_t len = strlen(str);
-
-      if(maxrem < len) {
-	/* TODO: Set errno to EOVERFLOW after implementing errno.h */
-	return -1;
-      }
-
-      if(!print(str, len)) {
-	return -1;
-      }
-
-      written += len;
-    }
-    else {
-      format = format_begun_at;
-      size_t len = strlen(format);
-
-      if(maxrem < len) {
-	/* TODO: Set errno to EOVERFLOW after implementing errno.h */
-	return -1;
-      }
-
-      if(!print(format, len)) {
-	return -1;
-      }
-
-      format += len;
-    } 
-  }
-
-  va_end(parameters);
-
-  return(written);
-}

stdio/printf.libk.d

@@ -1,6 +0,0 @@
-stdio/printf.libk.o: stdio/printf.c \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include-fixed/limits.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stdbool.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stdarg.h \
- include/stdio.h include/sys/cdefs.h include/string.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h

stdio/putchar.c

@@ -1,16 +0,0 @@
-#include <stdio.h>
-
-#ifdef __is_libk
-#include <kernel/tty.h>
-#endif
-
-int putchar(int ic) {
-#ifdef __is_libk
-  char c = (char) ic;
-  term_write(&c, sizeof(c));
-#else
-  /* TODO: Implement write system call to do this part */
-#endif
-
-  return ic;
-}

stdio/putchar.libk.d

@@ -1,3 +0,0 @@
-stdio/putchar.libk.o: stdio/putchar.c include/stdio.h include/sys/cdefs.h \
- /home/helmsulfrinn/Documents/projects/coding/active/fenix/sysroot/usr/include/kernel/tty.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h

stdio/puts.c

@@ -1,5 +0,0 @@
-#include <stdio.h>
-
-int puts(const char * string) {
-  return printf("%s\n", string);
-}

stdio/puts.libk.d

@@ -1 +0,0 @@
-stdio/puts.libk.o: stdio/puts.c include/stdio.h include/sys/cdefs.h

stdlib/abort.c

@@ -1,15 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-__attribute__((__noreturn__))
-void abort(void) {
-#if defined(__is_libk)
-  /* TODO: Add proper kernel panic */
-  printf("kernel: panic: abort()\n");
-#else
-  /* TODO: Abnormally terminate process like by SIGABRT */
-  printf("abort()\n");
-#endif
-  while(1) {}
-  __builtin_unreachable();
-}

stdlib/abort.libk.d

@@ -1,2 +0,0 @@
-stdlib/abort.libk.o: stdlib/abort.c include/stdio.h include/sys/cdefs.h \
- include/stdlib.h

string/memcmp.c

@@ -1,17 +0,0 @@
-#include <string.h>
-
-int memcmp(const void * a_ptr, const void * b_ptr, size_t size) {
-  const unsigned char * a = (const unsigned char *) a_ptr;
-  const unsigned char * b = (const unsigned char *) b_ptr;
-
-  for(size_t i = 0; i < size; i++) {
-    if(a[i] < b[i]) {
-      return -1;
-    }
-    else if(a[i] > b[i]) {
-      return 1;
-    }
-  }
-
-  return 0;
-}

string/memcmp.libk.d

@@ -1,3 +0,0 @@
-string/memcmp.libk.o: string/memcmp.c include/string.h \
- include/sys/cdefs.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h

string/memcpy.c

@@ -1,12 +0,0 @@
-#include <string.h>
-
-void * memcpy(void * restrict dest, const void * restrict src, size_t size) {
-  unsigned char * to = (unsigned char *) dest;
-  const unsigned char * from = (const unsigned char *) src;
-
-  for(size_t i = 0; i < size; i++) {
-    to[i] = from[i];
-  }
-
-  return dest;
-}

string/memcpy.libk.d

@@ -1,3 +0,0 @@
-string/memcpy.libk.o: string/memcpy.c include/string.h \
- include/sys/cdefs.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h

string/memmove.c

@@ -1,20 +0,0 @@
-#include <string.h>
-
-void * memmove(void * dest, const void * src, size_t size) {
-  unsigned char * to = (unsigned char *) dest;
-  const unsigned char * from = (const unsigned char *) src;
-
-  /* We check this to make sure we don't overwrite memory */
-  if(to < from) {
-    for(size_t i = 0; i < size; i++) {
-      to[i] = from[i];
-    }
-  }
-  else {
-    for(size_t i = size; i != 0; i--) {
-      to[i - 1] = from[i - 1];
-    }
-  }
-  
-  return dest;
-}

string/memmove.libk.d

@@ -1,3 +0,0 @@
-string/memmove.libk.o: string/memmove.c include/string.h \
- include/sys/cdefs.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h

string/memset.c

@@ -1,11 +0,0 @@
-#include <string.h>
-
-void * memset(void * buffer, int value, size_t size) {
-  unsigned char * buf = (unsigned char *) buffer;
-
-  for(size_t i = 0; i < size; i++) {
-    buf[i] = (unsigned char) value;
-  }
-
-  return buffer;
-}

string/memset.libk.d

@@ -1,3 +0,0 @@
-string/memset.libk.o: string/memset.c include/string.h \
- include/sys/cdefs.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h

string/strlen.c

@@ -1,9 +0,0 @@
-#include <string.h>
-
-size_t strlen(const char * str) {
-  size_t len = 0;
-  while(str[len] != '\0') {
-    len++;
-  }
-  return len;
-}

string/strlen.libk.d

@@ -1,3 +0,0 @@
-string/strlen.libk.o: string/strlen.c include/string.h \
- include/sys/cdefs.h \
- /usr/home/helmsulfrinn/opt/cross/lib/gcc/i686-elf/9.2.0/include/stddef.h