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#include "unittest/unittest.h"
#include "unittest/memmap.h"
#include "syslinux/bootrm.h"
#include <string.h>
/*
* load_linux.c dependencies.
*/
#include "../../suffix_number.c"
static struct firmware __test_firmware;
struct firmware *firmware = &__test_firmware;
static struct syslinux_memmap *__test_mmap;
struct syslinux_memmap *syslinux_memory_map(void)
{
return syslinux_dup_memmap(__test_mmap);
}
void syslinux_force_text_mode(void) { }
static char *__test_cmdline = "this is a test!!";
static bool __test_called_boot_rm = false;
static addr_t __test_cmdline_addr;
int syslinux_shuffle_boot_rm(struct syslinux_movelist *fraglist,
struct syslinux_memmap *memmap,
uint16_t bootflags,
struct syslinux_rm_regs *regs)
{
struct syslinux_movelist *moves, *ml;
int rv;
__test_called_boot_rm = true;
ml = fraglist;
while (ml) {
addr_t cmdline_addr, last_lowmem_addr;
if (ml->src != __test_cmdline)
continue;
last_lowmem_addr = __test_cmdline_addr;
cmdline_addr = ml->dst;
syslinux_assert_str(cmdline_addr == last_lowmem_addr,
"cmdline at 0x%x but expected 0x%x",
cmdline_addr, last_lowmem_addr);
syslinux_assert_str(strlen(__test_cmdline) + 1 == ml->len,
"cmdline length %d, expected %d", ml->len,
strlen(__test_cmdline) + 1);
break;
}
moves = NULL;
rv = syslinux_compute_movelist(&moves, fraglist, memmap);
syslinux_free_movelist(moves);
syslinux_assert(!rv, "Failed to compute movelist");
return -1;
}
#include "../load_linux.c"
#include "../zonelist.c"
#include "test-harness.c"
static void __test_setup_kernel(void *buf)
{
struct linux_header *hdr;
hdr = buf;
memset(hdr, 0, sizeof(*hdr));
/*
* Setup the minimum required fields.
*/
hdr->boot_flag = BOOT_MAGIC;
hdr->setup_sects = 1;
hdr->version = 0x0201;
}
static inline addr_t __test_calc_cmdline_addr(addr_t addr)
{
size_t len = strlen(__test_cmdline) + 1;
return (addr - len) & ~15;
}
#define KERNEL_BUF_SIZE 1024
static void *__test_setup(struct test_memmap_entry *entries,
size_t nr_entries,
addr_t last)
{
struct syslinux_memmap *mmap;
void *buf;
mmap = test_build_mmap(entries, nr_entries);
if (!mmap)
goto bail;
buf = malloc(KERNEL_BUF_SIZE);
if (!buf)
goto bail;
__test_setup_kernel(buf);
__test_mmap = mmap;
__test_cmdline_addr = __test_calc_cmdline_addr(last);
return buf;
bail:
syslinux_free_memmap(mmap);
return NULL;
}
static void __test_teardown(void *buf)
{
free(buf);
syslinux_free_memmap(__test_mmap);
__test_called_boot_rm = false;
__test_cmdline_addr = 0;
__test_mmap = NULL;
}
/*
* Make sure that we can relocate the cmdline to a free region of
* memory.
*
* The below memory map is based on one from VMWare.
*/
static int test_cmdline_placement(void)
{
struct syslinux_memmap *mmap;
addr_t addr;
void *buf;
int rv;
struct test_memmap_entry entries[] = {
0x00000000, 0x00092800, SMT_FREE,
0x00092800, 0x0000d800, SMT_RESERVED,
0x000ca000, 0x00002000, SMT_RESERVED,
0x000dc000, 0x00004000, SMT_RESERVED,
0x000e4000, 0x00001c00, SMT_RESERVED,
0x00100000, 0x3fdf0000, SMT_FREE,
};
buf = __test_setup(entries, array_sz(entries), 0x92800);
if (!buf)
return -1;
rv = syslinux_boot_linux(buf, KERNEL_BUF_SIZE, NULL, NULL, __test_cmdline);
syslinux_assert(__test_called_boot_rm,
"Failed to invoke syslinux_shuffle_boot_rm()");
__test_teardown(buf);
return 0;
}
/*
* Ensure that the linux loader only uses SMT_TERMINAL regions as a last
* resort.
*/
static int test_terminal_regions(void)
{
addr_t addr;
void *buf;
int rv;
struct test_memmap_entry entries[] = {
0x000000, 0x090000, SMT_RESERVED,
0x090000, 0x000420, SMT_TERMINAL,
0x090420, 0x000400, SMT_FREE,
0x090820, 0x000200, SMT_TERMINAL,
};
buf = __test_setup(entries, array_sz(entries), 0x090820);
if (!buf)
return -1;
rv = syslinux_boot_linux(buf, KERNEL_BUF_SIZE, NULL, NULL, __test_cmdline);
syslinux_assert(__test_called_boot_rm,
"Failed to invoke syslinux_shuffle_boot_rm()");
__test_teardown(buf);
return 0;
}
int main(int argc, char **argv)
{
test_cmdline_placement();
test_terminal_regions();
return 0;
}
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