From a78033acc941fc4bcf6188f1d48fd8e012673fff Mon Sep 17 00:00:00 2001
From: EmulatedSeasons <89668582+EmulatedSeasons@users.noreply.github.com>
Date: Thu, 15 Jun 2023 22:36:39 -0400
Subject: initial commit

---
 kernel/include/arch/i386/pic.h            |  9 +++++++++
 kernel/include/arch/i386/ps2_controller.h | 11 +++++++++++
 kernel/include/arch/i386/tmtty.h          | 22 +++++++++++++++++++++
 kernel/include/dev/ps2kbd.h               |  6 ++++++
 kernel/include/io.h                       | 32 +++++++++++++++++++++++++++++++
 kernel/include/stdio.h                    | 18 +++++++++++++++++
 kernel/include/stdlib.h                   | 15 +++++++++++++++
 kernel/include/string.h                   | 20 +++++++++++++++++++
 kernel/include/sys/cdefs.h                |  6 ++++++
 9 files changed, 139 insertions(+)
 create mode 100644 kernel/include/arch/i386/pic.h
 create mode 100644 kernel/include/arch/i386/ps2_controller.h
 create mode 100644 kernel/include/arch/i386/tmtty.h
 create mode 100644 kernel/include/dev/ps2kbd.h
 create mode 100644 kernel/include/io.h
 create mode 100644 kernel/include/stdio.h
 create mode 100644 kernel/include/stdlib.h
 create mode 100644 kernel/include/string.h
 create mode 100644 kernel/include/sys/cdefs.h

(limited to 'kernel/include')

diff --git a/kernel/include/arch/i386/pic.h b/kernel/include/arch/i386/pic.h
new file mode 100644
index 0000000..5389086
--- /dev/null
+++ b/kernel/include/arch/i386/pic.h
@@ -0,0 +1,9 @@
+#ifndef i386_PIC_H
+#define i386_PIC_H
+
+extern "C" void pic_remap(int, int);
+void pic_send_eoi(unsigned char);
+void irq_set_mask(unsigned char);
+void irq_clear_mask(unsigned char);
+
+#endif
\ No newline at end of file
diff --git a/kernel/include/arch/i386/ps2_controller.h b/kernel/include/arch/i386/ps2_controller.h
new file mode 100644
index 0000000..6faa45d
--- /dev/null
+++ b/kernel/include/arch/i386/ps2_controller.h
@@ -0,0 +1,11 @@
+#ifndef PS2_CONTROLLER_H
+#define PS2_CONTROLLER_H
+
+void initialize_ps2_controller();
+int ps2_dev_send_command(int, unsigned char);
+void inputbuffer_wait();
+void outputbuffer_wait();
+bool inputbuffer_check();
+bool outputbuffer_check();
+
+#endif
\ No newline at end of file
diff --git a/kernel/include/arch/i386/tmtty.h b/kernel/include/arch/i386/tmtty.h
new file mode 100644
index 0000000..6c65d25
--- /dev/null
+++ b/kernel/include/arch/i386/tmtty.h
@@ -0,0 +1,22 @@
+#ifndef TEXTMODE_TTY_H
+#define TEXTMODE_TTY_H
+
+#include <stddef.h>
+
+/* Text mode tty */
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+void terminal_initialize(void);
+void terminal_putchar(char c);
+void terminal_write(const char* data, size_t size);
+void terminal_writestring(const char* data);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
\ No newline at end of file
diff --git a/kernel/include/dev/ps2kbd.h b/kernel/include/dev/ps2kbd.h
new file mode 100644
index 0000000..2d1ecc2
--- /dev/null
+++ b/kernel/include/dev/ps2kbd.h
@@ -0,0 +1,6 @@
+#ifndef PS2_KBD_H
+#define PS2_KBD_H
+
+void keyboard_init();
+
+#endif
\ No newline at end of file
diff --git a/kernel/include/io.h b/kernel/include/io.h
new file mode 100644
index 0000000..b99f0ef
--- /dev/null
+++ b/kernel/include/io.h
@@ -0,0 +1,32 @@
+#ifndef HW_IO_H
+#define HW_IO_H
+
+#include <stdint.h>
+
+// Used for io access
+
+static inline void outb(uint16_t port, uint8_t val)
+{
+    asm volatile ( "outb %0, %1" : : "a"(val), "Nd"(port) :"memory");
+    /* There's an outb %al, $imm8  encoding, for compile-time constant port numbers that fit in 8b.  (N constraint).
+     * Wider immediate constants would be truncated at assemble-time (e.g. "i" constraint).
+     * The  outb  %al, %dx  encoding is the only option for all other cases.
+     * %1 expands to %dx because  port  is a uint16_t.  %w1 could be used if we had the port number a wider C type */
+}
+
+static inline uint8_t inb(uint16_t port)
+{
+    uint8_t ret;
+    asm volatile ( "inb %1, %0"
+                   : "=a"(ret)
+                   : "Nd"(port)
+                   : "memory");
+    return ret;
+}
+
+static inline void io_wait(void)
+{
+    outb(0x80, 0);
+}
+
+#endif
\ No newline at end of file
diff --git a/kernel/include/stdio.h b/kernel/include/stdio.h
new file mode 100644
index 0000000..eb4e45b
--- /dev/null
+++ b/kernel/include/stdio.h
@@ -0,0 +1,18 @@
+#ifndef _STDIO_H
+#define _STDIO_H 1
+ 
+#define EOF (-1)
+ 
+#ifdef __cplusplus
+extern "C" {
+#endif
+ 
+int printf(const char* __restrict, ...);
+int putchar(int);
+int puts(const char*);
+ 
+#ifdef __cplusplus
+}
+#endif
+ 
+#endif
\ No newline at end of file
diff --git a/kernel/include/stdlib.h b/kernel/include/stdlib.h
new file mode 100644
index 0000000..1d1ee32
--- /dev/null
+++ b/kernel/include/stdlib.h
@@ -0,0 +1,15 @@
+#ifndef _STDLIB_H
+#define _STDLIB_H 1
+ 
+#ifdef __cplusplus
+extern "C" {
+#endif
+ 
+__attribute__((__noreturn__))
+void abort(void);
+ 
+#ifdef __cplusplus
+}
+#endif
+ 
+#endif
\ No newline at end of file
diff --git a/kernel/include/string.h b/kernel/include/string.h
new file mode 100644
index 0000000..4f6b5bd
--- /dev/null
+++ b/kernel/include/string.h
@@ -0,0 +1,20 @@
+#ifndef _STRING_H
+#define _STRING_H 1
+ 
+#include <stddef.h>
+ 
+#ifdef __cplusplus
+extern "C" {
+#endif
+ 
+int memcmp(const void*, const void*, size_t);
+void* memcpy(void* __restrict, const void* __restrict, size_t);
+void* memmove(void*, const void*, size_t);
+void* memset(void*, int, size_t);
+size_t strlen(const char*);
+ 
+#ifdef __cplusplus
+}
+#endif
+ 
+#endif
\ No newline at end of file
diff --git a/kernel/include/sys/cdefs.h b/kernel/include/sys/cdefs.h
new file mode 100644
index 0000000..1e2c277
--- /dev/null
+++ b/kernel/include/sys/cdefs.h
@@ -0,0 +1,6 @@
+#ifndef _SYS_CDEFS_H
+#define _SYS_CDEFS_H 1
+ 
+
+ 
+#endif
\ No newline at end of file
-- 
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