feat: organise guest code with libs for each peri

guest/console/console.h

+#ifndef _CONSOLE_H_
+#define _CONSOLE_H_
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void console_send_pv(char *str);
+
+#endif // _CONSOLE_H_

guest/console/console_pv.c

+#include "console.h"
+
+#include "guest/utils.h"
+#include "guest/pmio.h"
+#include "shared/hypercall_params.h"
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void console_send_pv(char *str) {
+
+    hyper_virtual_console_params_t param_console;
+    param_console.msg = (uint64_t)str;
+    memcpy((void *)HYPERCALL_SHARED_ADDR, (void *)&param_console, sizeof(param_console));
+
+    outb(HYPERCALL_PMIO_ADDR, HYPERCALL_CODE_CONSOLE);
+}
+

guest/gfx/gfx.h

+#ifndef _GFX_H_
+#define _GFX_H_
+
+#include <stdint.h>
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void gfx_pv_init(uint32_t width, uint32_t height);
+
+void gfx_phys_init(uint32_t width, uint32_t height);
+
+#endif // !_TIMER_H_

guest/gfx/gfx_phys.c

+#include "gfx.h"
+
+#include "guest/utils.h"
+#include "guest/pmio.h"
+#include "shared/hypercall_params.h"
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void gfx_phys_init(uint32_t width, uint32_t height) {
+
+    // TODO:
+}

guest/gfx/gfx_pv.c

+#include "gfx.h"
+
+#include "guest/utils.h"
+#include "guest/pmio.h"
+#include "shared/hypercall_params.h"
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void gfx_pv_init(uint32_t width, uint32_t height) {
+
+    hyper_init_gfx_params_t param_gfx;
+    param_gfx.width = width;
+    param_gfx.height = height;
+    memcpy((void *)HYPERCALL_SHARED_ADDR, (void *)&param_gfx, sizeof(param_gfx));
+
+    outb(HYPERCALL_PMIO_ADDR, HYPERCALL_CODE_GFX_INIT);
+}
+

guest/guest_main.c

@@ -6,6 +6,11 @@
 #include "pmio.h"
 #include "shared/hypercall_params.h"
 
+#include "ide/ide.h"
+#include "gfx/gfx.h"
+#include "timer/timer.h"
+#include "console/console.h"
+
 // If PV == 1 => uses paravirtualized drivers (when available)
 // If PV == 0 => uses physical (hardware) drivers (when available)
 #if PV == 1
@@ -23,40 +28,22 @@ void guest_main() {
     idt_init();  // Initialize interrupt subsystem
     sti();       // Enable hardware interrupts
 
-    // paravirtualized console
-
-    char *str = "abcdefgh";
-    hyper_virtual_console_params_t param_console;
-    param_console.msg = (uint64_t)str;
-    memcpy((void *)HYPERCALL_SHARED_ADDR, (void *)&param_console, sizeof(param_console));
-
-    outb(HYPERCALL_PMIO_ADDR, HYPERCALL_CODE_CONSOLE);
-
-    // paravirtualized timer
-
-    hyper_timer_sleep_params_t param_timer;
-    param_timer.us = 1e6;
-    memcpy((void *)HYPERCALL_SHARED_ADDR, (void *)&param_timer, sizeof(param_timer));
+    // - pv console -
+    char *str = "Hi from the guest !";
+    console_send_pv(str);
 
-    outb(HYPERCALL_PMIO_ADDR, HYPERCALL_CODE_TIMER);
+    // - pv timer -
+    timer_pv_wait(1e6);
 
-    // emulated timer
+    // - phys timer -
+    timer_phys_wait(1e6);
 
-    outw(REG_TIMER_CMD, 20);
-    outd(REG_TIMER_DATA, 1e6);
+    // - pv gfx init -
+    gfx_pv_init(1920, 1080);
 
-    // paravirtualized gfx init 
-
-    hyper_init_gfx_params_t param_gfx;
-    param_gfx.width = 1920;
-    param_gfx.height = 1080;
-    memcpy((void *)HYPERCALL_SHARED_ADDR, (void *)&param_gfx, sizeof(param_gfx));
-
-    outb(HYPERCALL_PMIO_ADDR, HYPERCALL_CODE_GFX_INIT);
-
-    // emulated gfx init
-
-    // TODO:
+    // - phys gfx init -
+    /* gfx_phys_init(1920, 1080); */
 
     // timer_sleep(100000);
 }
+

guest/timer/timer.h

+#ifndef _TIMER_H_
+#define _TIMER_H_
+
+#include <stdint.h>
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void timer_pv_wait(uint32_t us);
+
+void timer_phys_wait(uint32_t us);
+
+#endif // !_TIMER_H_

guest/timer/timer_phys.c

+#include "timer.h"
+
+#include "guest/pmio.h"
+#include "shared/hypercall_params.h"
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void timer_phys_wait(uint32_t us) {
+
+    outw(REG_TIMER_CMD, 20);
+    outd(REG_TIMER_DATA, us);
+}
+

guest/timer/timer_pv.c

+#include "timer.h"
+
+#include "guest/utils.h"
+#include "guest/pmio.h"
+#include "shared/hypercall_params.h"
+
+// --- DEFINE ---
+
+// ...
+
+// --- FUNCTION ---
+
+void timer_pv_wait(uint32_t us) {
+
+    hyper_timer_sleep_params_t param_timer;
+    param_timer.us = us;
+    memcpy((void *)HYPERCALL_SHARED_ADDR, (void *)&param_timer, sizeof(param_timer));
+
+    outb(HYPERCALL_PMIO_ADDR, HYPERCALL_CODE_TIMER);
+}
+