Adding preliminary bus drivers

src/drivers/audio/audio.c

@@ -0,0 +1,32 @@
+#include "audio.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Audio controller base address
+#define AUDIO_BASE_ADDRESS 0x0000
+
+// Audio controller data port
+#define AUDIO_DATA_PORT 0x00
+
+// Audio controller command port
+#define AUDIO_COMMAND_PORT 0x01
+
+// Initialize the audio driver
+void audio_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Play audio from a buffer
+void audio_play(const uint8_t *buffer, size_t size)
+{
+    // Add any necessary code to play audio from the buffer here
+}
+
+// Stop audio playback
+void audio_stop()
+{
+    // Add any necessary code to stop audio playback here
+}

src/drivers/audio/audio.h

@@ -0,0 +1,17 @@
+#ifndef AUDIO_H
+#define AUDIO_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the audio driver
+void audio_init();
+
+// Play audio from a buffer
+void audio_play(const uint8_t* buffer, size_t size);
+
+// Stop audio playback
+void audio_stop();
+
+#endif

src/drivers/bus/eisa.c

@@ -0,0 +1,44 @@
+#include "eisa.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// EISA bus controller base address
+#define EISA_BASE_ADDRESS 0x0000
+
+// EISA bus controller data port
+#define EISA_DATA_PORT 0x00
+
+// EISA bus controller command port
+#define EISA_COMMAND_PORT 0x01
+
+// Initialize the EISA bus
+void eisa_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Detect and configure EISA devices
+void eisa_detect_devices()
+{
+    // Add any necessary device detection and configuration code here
+}
+
+// Read from an EISA device
+uint8_t eisa_read(uint16_t port)
+{
+    uint8_t value;
+
+    // Read from the specified port
+    __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port));
+
+    return value;
+}
+
+// Write to an EISA device
+void eisa_write(uint16_t port, uint8_t value)
+{
+    // Write the specified value to the specified port
+    __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port));
+}

src/drivers/bus/eisa.h

@@ -0,0 +1,20 @@
+#ifndef EISA_H
+#define EISA_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the EISA bus
+void eisa_init();
+
+// Detect and configure EISA devices
+void eisa_detect_devices();
+
+// Read from an EISA device
+uint8_t eisa_read(uint16_t port);
+
+// Write to an EISA device
+void eisa_write(uint16_t port, uint8_t value);
+
+#endif

src/drivers/bus/isa.c

@@ -0,0 +1,44 @@
+#include "isa.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// ISA bus controller base address
+#define ISA_BASE_ADDRESS 0x0000
+
+// ISA bus controller data port
+#define ISA_DATA_PORT 0x00
+
+// ISA bus controller command port
+#define ISA_COMMAND_PORT 0x01
+
+// Initialize the ISA bus
+void isa_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Detect and configure ISA devices
+void isa_detect_devices()
+{
+    // Add any necessary device detection and configuration code here
+}
+
+// Read from an ISA device
+uint8_t isa_read(uint16_t port)
+{
+    uint8_t value;
+
+    // Read from the specified port
+    __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port));
+
+    return value;
+}
+
+// Write to an ISA device
+void isa_write(uint16_t port, uint8_t value)
+{
+    // Write the specified value to the specified port
+    __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port));
+}

src/drivers/bus/isa.h

@@ -0,0 +1,20 @@
+#ifndef ISA_H
+#define ISA_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the ISA bus
+void isa_init();
+
+// Detect and configure ISA devices
+void isa_detect_devices();
+
+// Read from an ISA device
+uint8_t isa_read(uint16_t port);
+
+// Write to an ISA device
+void isa_write(uint16_t port, uint8_t value);
+
+#endif

src/drivers/bus/mca.c

@@ -0,0 +1,44 @@
+#include "mca.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// MCA bus controller base address
+#define MCA_BASE_ADDRESS 0x0000
+
+// MCA bus controller data port
+#define MCA_DATA_PORT 0x00
+
+// MCA bus controller command port
+#define MCA_COMMAND_PORT 0x01
+
+// Initialize the MCA bus
+void mca_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Detect and configure MCA devices
+void mca_detect_devices()
+{
+    // Add any necessary device detection and configuration code here
+}
+
+// Read from an MCA device
+uint8_t mca_read(uint16_t port)
+{
+    uint8_t value;
+
+    // Read from the specified port
+    __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port));
+
+    return value;
+}
+
+// Write to an MCA device
+void mca_write(uint16_t port, uint8_t value)
+{
+    // Write the specified value to the specified port
+    __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port));
+}

src/drivers/bus/mca.h

@@ -0,0 +1,20 @@
+#ifndef MCA_H
+#define MCA_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the MCA bus
+void mca_init();
+
+// Detect and configure MCA devices
+void mca_detect_devices();
+
+// Read from an MCA device
+uint8_t mca_read(uint16_t port);
+
+// Write to an MCA device
+void mca_write(uint16_t port, uint8_t value);
+
+#endif

src/drivers/bus/pci.c

@@ -0,0 +1,44 @@
+#include "pci.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// PCI bus controller base address
+#define PCI_BASE_ADDRESS 0x0000
+
+// PCI bus controller data port
+#define PCI_DATA_PORT 0x00
+
+// PCI bus controller command port
+#define PCI_COMMAND_PORT 0x01
+
+// Initialize the PCI bus
+void pci_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Detect and configure PCI devices
+void pci_detect_devices()
+{
+    // Add any necessary device detection and configuration code here
+}
+
+// Read from a PCI device
+uint8_t pci_read(uint16_t port)
+{
+    uint8_t value;
+
+    // Read from the specified port
+    __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port));
+
+    return value;
+}
+
+// Write to a PCI device
+void pci_write(uint16_t port, uint8_t value)
+{
+    // Write the specified value to the specified port
+    __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port));
+}

src/drivers/bus/pci.h

@@ -0,0 +1,20 @@
+#ifndef PCI_H
+#define PCI_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the PCI bus
+void pci_init();
+
+// Detect and configure PCI devices
+void pci_detect_devices();
+
+// Read from a PCI device
+uint8_t pci_read(uint16_t port);
+
+// Write to a PCI device
+void pci_write(uint16_t port, uint8_t value);
+
+#endif

src/drivers/bus/vesa.c

@@ -0,0 +1,44 @@
+#include "vesa.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// VESA bus controller base address
+#define VESA_BASE_ADDRESS 0x0000
+
+// VESA bus controller data port
+#define VESA_DATA_PORT 0x00
+
+// VESA bus controller command port
+#define VESA_COMMAND_PORT 0x01
+
+// Initialize the VESA bus
+void vesa_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Detect and configure VESA devices
+void vesa_detect_devices()
+{
+    // Add any necessary device detection and configuration code here
+}
+
+// Read from a VESA device
+uint8_t vesa_read(uint16_t port)
+{
+    uint8_t value;
+
+    // Read from the specified port
+    __asm__ volatile("inb %1, %0" : "=a"(value) : "dN"(port));
+
+    return value;
+}
+
+// Write to a VESA device
+void vesa_write(uint16_t port, uint8_t value)
+{
+    // Write the specified value to the specified port
+    __asm__ volatile("outb %0, %1" : : "a"(value), "dN"(port));
+}

src/drivers/bus/vesa.h

@@ -0,0 +1,20 @@
+#ifndef VESA_H
+#define VESA_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the VESA bus
+void vesa_init();
+
+// Detect and configure VESA devices
+void vesa_detect_devices();
+
+// Read from a VESA device
+uint8_t vesa_read(uint16_t port);
+
+// Write to a VESA device
+void vesa_write(uint16_t port, uint8_t value);
+
+#endif

src/drivers/display/display.c

@@ -0,0 +1,51 @@
+#include "display.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Display controller base address
+#define DISPLAY_BASE_ADDRESS 0x0000
+
+// Display controller data port
+#define DISPLAY_DATA_PORT 0x00
+
+// Display controller command port
+#define DISPLAY_COMMAND_PORT 0x01
+
+// Initialize the display driver
+void display_init()
+{
+    // Add any necessary initialization code here
+}
+
+// Set the display mode
+void display_set_mode(uint32_t width, uint32_t height, uint32_t bpp)
+{
+    // Add any necessary code to set the display mode here
+}
+
+// Draw a pixel at the specified coordinates
+void display_draw_pixel(uint32_t x, uint32_t y, uint32_t color)
+{
+    // Add any necessary code to draw a pixel here
+}
+
+// Clear the display with the specified color
+void display_clear(uint32_t color)
+{
+    // Add any necessary code to clear the display here
+}
+
+// Draw a character at the specified coordinates
+void display_draw_char(uint32_t x, uint32_t y, char c, uint32_t color)
+{
+    // Add any necessary code to draw a character here
+}
+
+// Draw a string at the specified coordinates
+void display_draw_string(uint32_t x, uint32_t y, const char *str,
+                         uint32_t color)
+{
+    // Add any necessary code to draw a string here
+}

src/drivers/display/display.h

@@ -0,0 +1,27 @@
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+// Initialize the display driver
+void display_init();
+
+// Set the display mode
+void display_set_mode(uint32_t width, uint32_t height, uint32_t bpp);
+
+// Draw a pixel at the specified coordinates
+void display_draw_pixel(uint32_t x, uint32_t y, uint32_t color);
+
+// Clear the display with the specified color
+void display_clear(uint32_t color);
+
+// Draw a character at the specified coordinates
+void display_draw_char(uint32_t x, uint32_t y, char c, uint32_t color);
+
+// Draw a string at the specified coordinates
+void display_draw_string(uint32_t x, uint32_t y, const char *str,
+                         uint32_t color);
+
+#endif