Enable callback functions

Add callback for clock

Author: IanSeyler

os/interrupt.asm

@@ -258,9 +258,10 @@ network_ack_only_low:
 align 16
 network_callback:
 	push rsi
-	mov rsi, network_callback_msg
-	call os_output
-;	call [os_NetworkCallback]
+	xchg bx, bx			; Debug
+;	mov rsi, network_callback_msg
+;	call os_output
+	call [os_NetworkCallback]
 	pop rsi
 	ret
 
@@ -273,9 +274,10 @@ network_callback_msg db 13, 'Network Callback!', 0
 align 16
 clock_callback:
 	push rsi
-	mov rsi, clock_callback_msg
-	call os_output
-;	call [os_ClockCallback]
+	xchg bx, bx			; Debug
+;	mov rsi, clock_callback_msg
+;	call os_output
+	call [os_ClockCallback]
 	pop rsi
 	ret
 

os/syscalls/misc.asm

@@ -77,6 +77,10 @@ os_system_config:
 	je os_system_config_networkcallback_get
 	cmp rdx, 4
 	je os_system_config_networkcallback_set
+	cmp rdx, 5
+	je os_system_config_clockcallback_get
+	cmp rdx, 6
+	je os_system_config_clockcallback_set
 	cmp rdx, 20
 	je os_system_config_video_base
 	cmp rdx, 21
@@ -110,6 +114,14 @@ os_system_config_networkcallback_set:
 	mov qword [os_NetworkCallback], rax
 	ret
 
+os_system_config_clockcallback_get:
+	mov rax, [os_ClockCallback]
+	ret
+
+os_system_config_clockcallback_set:
+	mov qword [os_ClockCallback], rax
+	ret
+
 os_system_config_video_base:
 	mov rax, [os_VideoBase]
 	ret

programs/bmdev.asm

@@ -42,6 +42,8 @@ config_argc		equ 1
 config_argv		equ 2
 networkcallback_get	equ 3
 networkcallback_set	equ 4
+clockcallback_get	equ 5
+clockcallback_set	equ 6
 statusbar		equ 10
 
 

programs/libBareMetal.h

@@ -49,6 +49,8 @@ void b_system_misc(unsigned long function, void* var1, void* var2);
 #define config_argv 2
 #define networkcallback_get 3
 #define networkcallback_set 4
+#define clockcallback_get 5
+#define clockcallback_set 6
 #define statusbar 10