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| author | Benji Dial <benji3.141@gmail.com> | 2020-05-16 09:53:58 -0400 |
|---|---|---|
| committer | Benji Dial <benji3.141@gmail.com> | 2020-05-16 09:53:58 -0400 |
| commit | c0daede46df4f546639bd2d3e11dcf064d554966 (patch) | |
| tree | 2042d915325dc66baf063238b8a3c685bb91d17b /src/kernel/mem.h | |
| parent | f7820301d583ae190b683bdd1371ee6f7a35ac16 (diff) | |
| download | portland-os-c0daede46df4f546639bd2d3e11dcf064d554966.tar.gz | |
starting over
Diffstat (limited to 'src/kernel/mem.h')
| -rw-r--r-- | src/kernel/mem.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/kernel/mem.h b/src/kernel/mem.h deleted file mode 100644 index 4a35978..0000000 --- a/src/kernel/mem.h +++ /dev/null @@ -1,47 +0,0 @@ -/* -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 <stdint.h> - -#ifndef MEM_H -#define MEM_H - -enum special_mmap_codes { - FREE = 0, - HARDWARE = 1, - KERNEL = 2 -}; - -struct mmap_entry { - uint32_t base; - uint32_t length; - uint16_t whose; - struct mmap_entry *after; - struct mmap_entry *before; -}; - -#define MMAP_SIZE 65536 -struct mmap_entry *mmap_start; -struct mmap_entry mmap_bss[MMAP_SIZE]; -uint32_t mmap_bitmap[MMAP_SIZE / 32]; -#define unmark_entry(entry) (mmap_bitmap[((entry) - mmap_bss) >> 5] ^= 1 << (((entry) - mmap_bss) & 0x0000001f)) -void *allocate_block(uint32_t size, uint16_t proc_n); -void deallocate_block(void *start); - -#endif
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