src/kernel --> src/

src/sys/process.h

@@ -0,0 +1,77 @@
+// Copyright (c) 2023-2026 Chris (boreddevnl)
+// This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+// This header needs to maintain in any file it is present in, as per the GPL license terms.
+#ifndef PROCESS_H
+#define PROCESS_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include "gui_ipc.h"
+
+#define MAX_GUI_EVENTS 32
+#define MAX_PROCESS_FDS 16
+
+struct FAT32_FileHandle;
+
+typedef struct registers_t {
+    uint8_t fxsave_region[512]; 
+    uint64_t r15, r14, r13, r12, r11, r10, r9, r8;
+    uint64_t rbp, rdi, rsi, rdx, rcx, rbx, rax;
+    uint64_t int_no, err_code;
+    uint64_t rip, cs, rflags, rsp, ss;
+} __attribute__((packed, aligned(16))) registers_t;
+
+typedef struct process {
+    uint32_t pid;
+    uint64_t rsp; 
+    uint64_t pml4_phys; 
+    uint64_t kernel_stack; 
+    bool is_user;
+    
+    gui_event_t gui_events[MAX_GUI_EVENTS];
+    int gui_event_head;
+    int gui_event_tail;
+    void *ui_window; 
+    
+    uint64_t heap_start;
+    uint64_t heap_end;
+    
+    void *fds[MAX_PROCESS_FDS];
+    
+    void *kernel_stack_alloc; 
+    void *user_stack_alloc;  
+
+    bool is_terminal_proc;   
+
+    struct process *next;
+
+    bool fpu_initialized; 
+    
+    char name[64];
+    uint64_t ticks;
+    uint64_t sleep_until;
+    size_t used_memory;
+} __attribute__((aligned(16))) process_t;
+
+typedef struct {
+    uint32_t pid;
+    char name[64];
+    uint64_t ticks;
+    size_t used_memory;
+} ProcessInfo;
+
+void process_init(void);
+void process_create(void* entry_point, bool is_user);
+process_t* process_create_elf(const char* filepath, const char* args_str);
+process_t* process_get_current(void);
+uint64_t process_schedule(uint64_t current_rsp);
+uint64_t process_terminate_current(void);
+void process_terminate(process_t *proc);
+process_t* process_get_by_pid(uint32_t pid);
+
+void process_push_gui_event(process_t *proc, gui_event_t *ev);
+process_t* process_get_by_ui_window(void* win);
+
+#endif
+