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tests: Multiboot mmap test case

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This adds a test case for Multiboot memory map in the tests/multiboot
directory, where future i386 test kernels can be dropped. Because this
requires an x86 build host and an installed 32 bit libgcc, the test is
not part of a regular 'make check'.

The reference output for the test is verified against test runs of the
same multiboot kernel booted by some GRUB 0.97.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2013-06-27 13:50:05 +02:00
parent d7b7e58009
commit d1f3a23bfa
9 changed files with 584 additions and 0 deletions
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56
tests/multiboot/mmap.c Normal file
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/*
* Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "libc.h"
#include "multiboot.h"
int test_main(uint32_t magic, struct mb_info *mbi)
{
uintptr_t entry_addr;
struct mb_mmap_entry *entry;
(void) magic;
printf("Lower memory: %dk\n", mbi->mem_lower);
printf("Upper memory: %dk\n", mbi->mem_upper);
printf("\ne820 memory map:\n");
for (entry_addr = mbi->mmap_addr;
entry_addr < mbi->mmap_addr + mbi->mmap_length;
entry_addr += entry->size + 4)
{
entry = (struct mb_mmap_entry*) entry_addr;
printf("%#llx - %#llx: type %d [entry size: %d]\n",
entry->base_addr,
entry->base_addr + entry->length,
entry->type,
entry->size);
}
printf("\nmmap start: %#x\n", mbi->mmap_addr);
printf("mmap end: %#x\n", mbi->mmap_addr + mbi->mmap_length);
printf("real mmap end: %#x\n", entry_addr);
return 0;
}