function to return pointers to functions to read from a constant interface, so we only have to check the interface once per macro operation

1 files changed, 23 insertions, 0 deletions

diff --git a/src/kernel/ata.h b/src/kernel/ata.h
new file mode 100644
index 0000000..3a1f45e
--- /dev/null
+++ b/src/kernel/ata.h
@@ -0,0 +1,23 @@
+/*
+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>
+
+uint32_t ata_read_sectors(uint8_t number, uint32_t start, uint32_t count, void *buffer);
+uint32_t ata_write_sectors(uint8_t number, uint32_t start, uint32_t count, void *buffer);
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