Added basic exec calls for init and started libc

9 files changed, 93 insertions, 8 deletions

diff --git a/src/userspace/libc/math.h b/src/userspace/libc/math.h
new file mode 100644
index 0000000..2683535
--- /dev/null
+++ b/src/userspace/libc/math.h
@@ -0,0 +1,20 @@
+#ifndef MELVIX_MATH_H
+#define MELVIX_MATH_H
+
+// Trigonometric
+
+// Hyperbolic
+
+// Exponential and logarithmic
+
+// Power
+
+// Error and gamma
+
+// Rounding and remainder
+
+// Floating point manipulation
+
+// Minimum, maximum, difference
+
+#endif
diff --git a/src/userspace/libc/stdarg.h b/src/userspace/libc/stdarg.h
new file mode 100644
index 0000000..41583f9
--- /dev/null
+++ b/src/userspace/libc/stdarg.h
@@ -0,0 +1,6 @@
+#ifndef MELVIX_STDARG_H
+#define MELVIX_STDARG_H
+
+// va_{list,start,arg,end,copy}
+
+#endif
diff --git a/src/userspace/libc/stdbool.h b/src/userspace/libc/stdbool.h
new file mode 100644
index 0000000..b445c80
--- /dev/null
+++ b/src/userspace/libc/stdbool.h
@@ -0,0 +1,11 @@
+#ifndef MELVIX_STDBOOL_H
+#define MELVIX_STDBOOL_H
+
+#define true 1
+#define false 0
+
+// For the strange people in the world
+#define TRUE 1
+#define FALSE 0
+
+#endif
diff --git a/src/userspace/libc/stddef.h b/src/userspace/libc/stddef.h
new file mode 100644
index 0000000..531cee3
--- /dev/null
+++ b/src/userspace/libc/stddef.h
@@ -0,0 +1,8 @@
+#ifndef MELVIX_STDDEF_H
+#define MELVIX_STDDEF_H
+
+// size_t
+
+#define NULL ((void *)0)
+
+#endif
diff --git a/src/userspace/libc/stdint.h b/src/userspace/libc/stdint.h
new file mode 100644
index 0000000..be28300
--- /dev/null
+++ b/src/userspace/libc/stdint.h
@@ -0,0 +1,18 @@
+#ifndef MELVIX_STDINT_H
+#define MELVIX_STDINT_H
+
+// TODO: Use shorter fixed length integers as stdint in kernel
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long s64;
+typedef unsigned long u64;
+
+#endif
diff --git a/src/userspace/libc/stdio.h b/src/userspace/libc/stdio.h
new file mode 100644
index 0000000..03dfd1a
--- /dev/null
+++ b/src/userspace/libc/stdio.h
@@ -0,0 +1,8 @@
+#ifndef MELVIX_STDIO_H
+#define MELVIX_STDIO_H
+
+// File operations
+
+// Character input/output
+
+#endif
diff --git a/src/userspace/libc/stdlib.h b/src/userspace/libc/stdlib.h
new file mode 100644
index 0000000..ab6bff4
--- /dev/null
+++ b/src/userspace/libc/stdlib.h
@@ -0,0 +1,10 @@
+#ifndef MELVIX_STDLIB_H
+#define MELVIX_STDLIB_H
+
+// String conversion
+
+// Exit functions
+
+// Memory management
+
+#endif
diff --git a/src/userspace/libc/syscall.c b/src/userspace/libc/syscall.c
index fd27ef5..42786d4 100644
--- a/src/userspace/libc/syscall.c
+++ b/src/userspace/libc/syscall.c
@@ -5,10 +5,12 @@
  */
 DEFN_SYSCALL0(halt, 0);
 
-DEFN_SYSCALL1(putch, 1, const char *);
+DEFN_SYSCALL1(exec, 1, char *);
 
-DEFN_SYSCALL0(getch, 2);
+DEFN_SYSCALL1(putch, 2, char *);
 
-DEFN_SYSCALL1(malloc, 3, uint32_t);
+DEFN_SYSCALL0(getch, 3);
 
-DEFN_SYSCALL1(free, 4, uint32_t);
\ No newline at end of file
+DEFN_SYSCALL1(malloc, 4, u32);
+
+DEFN_SYSCALL1(free, 5, u32);
diff --git a/src/userspace/libc/syscall.h b/src/userspace/libc/syscall.h
index 61ffecc..394118c 100644
--- a/src/userspace/libc/syscall.h
+++ b/src/userspace/libc/syscall.h
@@ -70,12 +70,14 @@
  */
 DECL_SYSCALL0(halt);
 
-DECL_SYSCALL1(putch, const char *);
+DECL_SYSCALL1(exec, char *);
+
+DECL_SYSCALL1(putch, char *);
 
 DECL_SYSCALL0(getch);
 
-DECL_SYSCALL1(malloc, uint32_t);
+DECL_SYSCALL1(malloc, u32);
 
-DECL_SYSCALL1(free, uint32_t);
+DECL_SYSCALL1(free, u32);
 
-#endif
\ No newline at end of file
+#endif