From f7820301d583ae190b683bdd1371ee6f7a35ac16 Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Sat, 18 Jan 2020 14:28:53 -0500 Subject: going to try efi again --- src/kernel/fat12.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 src/kernel/fat12.h (limited to 'src/kernel/fat12.h') diff --git a/src/kernel/fat12.h b/src/kernel/fat12.h new file mode 100644 index 0000000..250d877 --- /dev/null +++ b/src/kernel/fat12.h @@ -0,0 +1,48 @@ +/* +Copyright 2019 Benji Dial + +Permission to use, copy, modify, and/or distribute this +software for any purpose with or without fee is hereby +granted, provided that the above copyright notice and this +permission notice appear in all copies. + +THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS +ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO +EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, +INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER +RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +OF THIS SOFTWARE. +*/ + +#include +#include + +#ifndef FAT12_H +#define FAT12_H + +struct bpb { + uint8_t jump[3]; + uint8_t oem[8]; + uint16_t bytes_per_sector; + uint8_t sectors_per_cluster; + uint16_t reserved_sectors; + uint8_t number_of_fats; + uint16_t root_size; + uint16_t short_sectors; + uint8_t media_type; + uint16_t sectors_per_fat; + uint16_t sectors_per_track; + uint16_t number_of_heads; + uint32_t hidden_sectors; + uint32_t long_sectors; +} __attribute__ ((__packed__)); + +struct fat12_cache { +}; + +bool fat12_parse_ph(uint8_t dn, uint8_t pn, uint32_t sector, uint8_t *buffer); + +#endif \ No newline at end of file -- cgit v1.2.3