From 10cd931d75a02942c5ad254cef2e56b515122fa3 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 15 Apr 2020 00:33:39 +0200
Subject: Removed filesystem

SOON: Correct ext2 attempt
---
 src/kernel/fs/marfs/read_whole_file.c | 77 -----------------------------------
 1 file changed, 77 deletions(-)
 delete mode 100644 src/kernel/fs/marfs/read_whole_file.c

(limited to 'src/kernel/fs/marfs/read_whole_file.c')

diff --git a/src/kernel/fs/marfs/read_whole_file.c b/src/kernel/fs/marfs/read_whole_file.c
deleted file mode 100644
index eb49dfe..0000000
--- a/src/kernel/fs/marfs/read_whole_file.c
+++ /dev/null
@@ -1,77 +0,0 @@
-#include <stdint.h>
-#include <kernel/fs/ata_pio.h>
-#include <kernel/fs/marfs/marfs.h>
-#include <kernel/memory/alloc.h>
-
-static uint8_t last_max_level = 0;
-
-uint32_t marfs_get_recursive(uint8_t level, uint32_t i, uint32_t rec_lba)
-{
-	if (level > last_max_level)
-		last_max_level = level;
-	uint32_t *contents = (uint32_t *)ata_read28(interface, rec_lba);
-	uint32_t idx = i - 10;
-	if (last_max_level > 1)
-		idx -= 1 << 7;
-	if (last_max_level > 2)
-		idx -= 1 << (7 * 2);
-	if (last_max_level > 3)
-		idx -= 1 << (7 * 3);
-	idx >>= 7 * (level - 1);
-
-	uint32_t next_rec_lba = contents[idx];
-	kfree(contents);
-
-	uint32_t toRet;
-	if (level > 1)
-		toRet = marfs_get_recursive((uint8_t)(level - 1), i, next_rec_lba);
-	else
-		toRet = next_rec_lba;
-	last_max_level = 0;
-	return toRet;
-}
-
-uint32_t marfs_get_block(struct marfs_inode *inode, uint32_t i)
-{
-	if (i > 9 + (128 * 128 * 128)) {
-		return marfs_get_recursive(4, i, inode->ext_4);
-	} else if (i > 9 + (128 * 128)) {
-		return marfs_get_recursive(3, i, inode->ext_3);
-	} else if (i > 9 + 128) {
-		return marfs_get_recursive(2, i, inode->ext_2);
-	} else if (i > 9) {
-		return marfs_get_recursive(1, i, inode->ext_1);
-	} else {
-		return inode->DBPs[i];
-	}
-}
-
-void marfs_read_whole_file(uint32_t lba_inode, uint8_t *buffer)
-{
-	struct marfs_inode *inode = (struct marfs_inode *)ata_read28(interface, lba_inode);
-
-	uint32_t size_in_blocks = inode->n_blocks;
-	for (uint32_t i = 0; i < size_in_blocks; i++) {
-		uint32_t this_block = marfs_get_block(inode, i);
-		uint8_t *this_block_contents = ata_read28(interface, this_block);
-		uint16_t upper_bound =
-			(uint16_t)((i != size_in_blocks - 1) ? 512 : (inode->size % 512));
-		for (uint16_t j = 0; j < upper_bound; j++)
-			buffer[(i * 512) + j] = this_block_contents[j];
-		kfree(this_block_contents);
-	}
-
-	kfree(inode);
-}
-
-// TODO: Beautify
-uint8_t *marfs_allocate_and_read_whole_file(uint32_t lba_inode)
-{
-	struct marfs_inode *inode = (struct marfs_inode *)ata_read28(interface, lba_inode);
-	uint64_t size = inode->size;
-	kfree(inode);
-
-	uint8_t *buffer = (uint8_t *)kmalloc((uint32_t)size);
-	marfs_read_whole_file(lba_inode, buffer);
-	return buffer;
-}
\ No newline at end of file
-- 
cgit v1.2.3