From 5fbf41e967ed8e413ecf1e6abb72e8d285169df4 Mon Sep 17 00:00:00 2001
From: Alexey Gavrilov <rebovas@yahoo.com>
Date: Fri, 24 May 2024 14:07:47 +0700
Subject: Pic + Tuple + refactor PrimaryInitialization class

---
 arch/x86/port/Operations  |  7 ++++++
 arch/x86/port/PortOps.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++
 arch/x86/port/PortOps.h   | 26 ++++++++++++++++++++
 3 files changed, 95 insertions(+)
 create mode 100644 arch/x86/port/Operations
 create mode 100644 arch/x86/port/PortOps.cpp
 create mode 100644 arch/x86/port/PortOps.h

(limited to 'arch/x86/port')

diff --git a/arch/x86/port/Operations b/arch/x86/port/Operations
new file mode 100644
index 0000000..4812518
--- /dev/null
+++ b/arch/x86/port/Operations
@@ -0,0 +1,7 @@
+#ifndef PORTOPEARATION_H
+#define PORTOPEARATION_H
+
+#include "PortOps.h"
+
+#endif
+
diff --git a/arch/x86/port/PortOps.cpp b/arch/x86/port/PortOps.cpp
new file mode 100644
index 0000000..4b418dd
--- /dev/null
+++ b/arch/x86/port/PortOps.cpp
@@ -0,0 +1,62 @@
+#include "PortOps.h"
+
+
+void PortOps::outb(portadr port, regb value)
+{
+    asm("outb %b0, %w1"
+        :
+        : "a"(value), "Nd"(port)
+        : "memory");
+};
+
+void PortOps::outw(portadr port, regw value)
+{
+    asm("out %w0, %w1"
+        :
+        : "a"(value), "Nd"(port)
+        : "memory");
+};
+
+void PortOps::outl(portadr port, regl value)
+{
+    asm("out %k0, %w1"
+        :
+        : "a"(value), "Nd"(port)
+        : "memory");
+};
+
+regb PortOps::inb(portadr port)
+{
+    regb res;
+
+    asm("in %w1, %b0"
+        : "=a"(res)
+        : "Nd"(port)
+        : "memory");
+
+    return res;
+};
+
+regw PortOps::inw(portadr port)
+{
+    regw res;
+
+    asm("in %w1, %w0"
+        : "=a"(res)
+        : "Nd"(port)
+        : "memory");
+
+    return res;
+};
+
+regl PortOps::inl(portadr port)
+{
+    regl res;
+
+    asm("in %w1, %k0"
+        : "=a"(res)
+        : "Nd"(port)
+        : "memory");
+
+    return res;
+};
diff --git a/arch/x86/port/PortOps.h b/arch/x86/port/PortOps.h
new file mode 100644
index 0000000..7db3a5f
--- /dev/null
+++ b/arch/x86/port/PortOps.h
@@ -0,0 +1,26 @@
+#ifndef PORT_H
+#define PORT_H
+
+#include <types.h>
+
+
+using regb = uint8;
+using regw = uint16;
+using regl = uint32;
+using portadr = uint16;
+
+class PortOps
+{
+    public:
+        static void outb(portadr port, regb value);
+        static void outw(portadr port, regw value);
+        static void outl(portadr port, regl value);
+        // Get byte from port
+        static regb inb(portadr port);
+        // Get word from port
+        static regw inw(portadr port);
+        // Get double word from port
+        static regl inl(portadr port);
+};
+
+#endif
-- 
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