From 0ba991750314310a5e53b0d8135aef5b1352b261 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 20 Nov 2019 22:17:48 +0100
Subject: Began two-stage hdd bootloader and os installer

---
 src/kernel/fs/install.c | 61 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/kernel/fs/install.c

(limited to 'src/kernel/fs/install.c')

diff --git a/src/kernel/fs/install.c b/src/kernel/fs/install.c
new file mode 100644
index 0000000..5a2cc61
--- /dev/null
+++ b/src/kernel/fs/install.c
@@ -0,0 +1,61 @@
+#include <kernel/graphics/vesa.h>
+#include <kernel/fs/ata_pio.h>
+#include <kernel/fs/marfs/marfs.h>
+#include <kernel/lib/alloc.h>
+#include <kernel/fs/iso9660/iso9660.h>
+#include "atapi_pio.h"
+
+void install_melvix() {
+    info("You're booting from a CD, Melvix will only run after an install");
+    asm volatile ("cli");
+    struct ATA_INTERFACE *primary_master = new_ATA(1, 0x1F0);
+    if (marfs_init(primary_master) != 0) {
+        panic("No HDD found!");
+    }
+
+    struct marfs_SUPERBLOCK *currentSB = marfs_read_superblock();
+    if (currentSB->signature == 0x1083B99F34B59645) { // WEEEOOOWEEEOOO
+        panic("Melvix seems to be already installed!");
+    }
+    kfree(currentSB);
+
+    info("Installing...\n");
+
+    // Copy MBR
+    info("Copying MBR... ");
+    char *stage1_p[] = {"BOOT", "HDD1.BIN"};
+    struct ISO9660_entity *stage1_e = ISO9660_get(stage1_p, 2);
+    if (!stage1_e)
+        panic("Couldn't find the first HDD bootloader!");
+    uint8_t *stage1 = ISO9660_read(stage1_e);
+    kfree(stage1_e);
+    marfs_write_mbr(stage1);
+
+    // Format disk
+    info("Formatting disk...");
+    marfs_format();
+
+    // Copy second stage
+    info("Copying second stage...");
+    char *stage2_p[] = {"BOOT", "HDD2.BIN"};
+    struct ISO9660_entity *stage2_e = ISO9660_get(stage2_p, 2);
+    if (!stage2_e)
+        panic("Couldn't find the second HDD bootloader!");
+    uint8_t *stage2 = ISO9660_read(stage2_e);
+    marfs_new_file(stage2_e->length, stage2, 0, 0, 0);
+    kfree(stage2_e);
+
+    // Copy the kernel
+    info("Copying the kernel... ");
+    char *kernel_p[] = {"BOOT", "KERNEL.BIN"};
+    struct ISO9660_entity *kernel_e = ISO9660_get(kernel_p, 2);
+    if (!kernel_e)
+        panic("WTH Kernel not found!?");
+    uint8_t *kernel = kmalloc(kernel_e->length + 2048);
+    ATAPI_granular_read(1 + (kernel_e->length / 2048), kernel_e->LBA, kernel);
+    marfs_new_file(kernel_e->length, kernel, 0, 0, 0);
+    kfree(kernel);
+    kfree(kernel_e);
+
+    info("Installation successful!");
+}
\ No newline at end of file
-- 
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