Merge branch 'main' of git.chauvet.pro:starnakin/42_KFS

headers/debug.h

@@ -1,10 +1,18 @@
 #pragma once
 
+#include "kprintf.h"
 #include <stdint.h>
 
+#define PRINT_VAR(var) kprintf("%s: %d\n", #var, var)
+
+struct function_entry {
+	uint32_t addr;
+	char name[64];
+};
+
 struct stackframe {
 	struct stackframe *ebp;
 	uint32_t eip;
 };
 
-void print_stack(void);
+void print_stack(void);

headers/memory.h

@@ -8,6 +8,7 @@
 #define ACCESSED   (1 << 4)
 #define INIT_FLAGS (PRESENT | RW | SUPERVISOR)
 #define PAGE_SIZE  4096
+#define KERN_START 0xC0000000
 
 void init_memory(void);
 void *alloc_frames(size_t size);

headers/signal.h

@@ -0,0 +1,54 @@
+#pragma once
+
+#define SIG_DFL -1
+#define SIG_IGN 0
+
+enum {
+	SIGABRT,   // Abort signal from abort(3)
+	SIGALRM,   // Timer signal from alarm(2)
+	SIGBUS,    // Bus error (bad memory access)
+	SIGCHLD,   // Child stopped or terminated
+	SIGCLD,    // A synonym for SIGCHLD
+	SIGCONT,   // Continue if stopped
+	SIGEMT,    // Emulator trap
+	SIGFPE,    // Floating-point exception
+	SIGHUP,    // Hangup detected on controlling terminal or death of
+	           // controlling process
+	SIGILL,    // Illegal Instruction
+	SIGINFO,   // A synonym for SIGPWR
+	SIGINT,    // Interrupt from keyboard
+	SIGIO,     // I/O now possible (4.2BSD)
+	SIGIOT,    // IOT trap. A synonym for SIGABRT
+	SIGKILL,   // Kill signal
+	SIGLOST,   // File lock lost (unused)
+	SIGPIPE,   // Broken pipe: write to pipe with no readers; see pipe(7)
+	SIGPOLL,   // Pollable event (Sys V); synonym for SIGIO
+	SIGPROF,   // Profiling timer expired
+	SIGPWR,    // Power failure (System V)
+	SIGQUIT,   // Quit from keyboard
+	SIGSEGV,   // Invalid memory reference
+	SIGSTKFLT, // Stack fault on coprocessor (unused)
+	SIGSTOP,   // Stop process
+	SIGTSTP,   // Stop typed at terminal
+	SIGSYS,    // Bad system call (SVr4); see also seccomp(2)
+	SIGTERM,   // Termination signal
+	SIGTRAP,   // Trace/breakpoint trap
+	SIGTTIN,   // Terminal input for background process
+	SIGTTOU,   // Terminal output for background process
+	SIGUNUSED, // Synonymous with SIGSYS
+	SIGURG,    // Urgent condition on socket (4.2BSD)
+	SIGUSR1,   // User-defined signal 1
+	SIGUSR2,   // User-defined signal 2
+	SIGVTALRM, // Virtual alarm clock (4.2BSD)
+	SIGXCPU,   // CPU time limit exceeded (4.2BSD); see setrlimit(2)
+	SIGXFSZ,   // File size limit exceeded (4.2BSD); see setrlimit(2)
+	SIGWINCH,  // Window resize signal (4.3BSD, Sun)
+	SIG_INT,   // Interrupt from keyboard
+};
+
+typedef void (*sighandler_t)(int);
+
+struct signal {
+	int signum;
+	sighandler_t handler;
+};

headers/terminal.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "keyboard.h"
-#include "kprintf.h"
 #include <stdbool.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -58,4 +57,4 @@ void terminal_set_default_fg_color(uint8_t fg_color);
 void terminal_set_default_bg_color(uint8_t fg_color);
 void terminal_change_default_fg_color(uint8_t color);
 uint8_t terminal_get_default_color(void);
-uint8_t terminal_get_char(int column, int row);
+uint8_t terminal_get_char(int column, int row);