Added ACPI based shutdown command

2 files changed, 32 insertions, 16 deletions

diff --git a/src/kernel/io/io.c b/src/kernel/io/io.c
index 7bddb13..74776ee 100644
--- a/src/kernel/io/io.c
+++ b/src/kernel/io/io.c
@@ -1,21 +1,31 @@
 #include <stdint.h>
 
-unsigned char receive(unsigned short port) {
+uint8_t receive_b(uint16_t port) {
     unsigned char value;
-    __asm__ __volatile__ ("inb %1, %0" : "=a" (value) : "dN" (port));
+    asm volatile ("inb %1, %0" : "=a"(value) : "Nd"(port));
     return value;
 }
 
-void send(unsigned short port, unsigned char data) {
-    __asm__ __volatile__ ("outb %1, %0" : : "dN" (port), "a" (data));
+uint16_t receive_w(uint16_t port) {
+    unsigned char value;
+    asm volatile("inb %1,%0" : "=a"(value) : "Nd"(port)); // TODO: Fix inw error
+    return value;
+}
+
+uint32_t receive_l(uint16_t port) {
+    unsigned char value;
+    asm volatile ("inb %1, %0" : "=a"(value) : "Nd"(port));
+    return value;
 }
 
-void reboot() {
-    uint8_t good = 0x02;
-    while (good & 0x02)
-        good = receive(0x64);
-    send(0x64, 0xFE);
-    loop:
-    asm volatile ("hlt");
-    goto loop;
-}
\ No newline at end of file
+void send_b(uint16_t port, uint8_t data) {
+    asm volatile ("outb %0, %1"::"a" (data), "Nd"(port));
+}
+
+void send_w(uint16_t port, uint16_t data) {
+    asm volatile ("outw %0, %1"::"a" (data), "Nd"(port));
+}
+
+void send_l(uint16_t port, uint32_t data) {
+    asm volatile ("outl %0, %1"::"a" (data), "Nd"(port));
+}
diff --git a/src/kernel/io/io.h b/src/kernel/io/io.h
index e00a5f0..22776ee 100644
--- a/src/kernel/io/io.h
+++ b/src/kernel/io/io.h
@@ -3,10 +3,16 @@
 
 #include <stdint.h>
 
-unsigned char receive(unsigned short port);
+uint8_t receive_b(uint16_t port);
 
-void send(unsigned short port, unsigned char data);
+uint16_t receive_w(uint16_t port);
 
-void reboot();
+uint32_t receive_l(uint16_t port);
+
+void send_b(uint16_t port, uint8_t data);
+
+void send_w(uint16_t port, uint16_t data);
+
+void send_l(uint16_t port, uint32_t data);
 
 #endif