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Add mmap

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This commit is contained in:
Vijay Kumar Banerjee
2019-07-18 14:26:26 +05:30
committed by Christian Mauderer
parent bc2ba9a9cd
commit b68ca55c96
7 changed files with 71 additions and 7 deletions
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21
testsuite/cdev01/test_cdev.c
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@@ -30,8 +30,10 @@
*/
#include <machine/rtems-bsd-kernel-space.h>
#include <machine/vm.h>
#include <sys/types.h>
#include <sys/conf.h>
#include <sys/mman.h>
#include <rtems/seterr.h>
@@ -46,6 +48,7 @@ static d_write_t testwrite;
static d_ioctl_t testioctl;
static d_poll_t testpoll;
static d_kqfilter_t testkqfilter;
static d_mmap_t testmmap;
static struct cdevsw test_cdevsw = {
.d_version = D_VERSION,
@@ -59,6 +62,7 @@ static struct cdevsw test_cdevsw = {
.d_ioctl = testioctl,
.d_poll = testpoll,
.d_kqfilter = testkqfilter,
.d_mmap = testmmap,
};
static int
@@ -77,7 +81,7 @@ testclose(struct cdev *dev, int fflag, int devtype, struct thread *td)
{
test_state *state = dev->si_drv1;
assert(*state == TEST_KQFILTER);
assert(*state == TEST_MMAP);
*state = TEST_CLOSED;
return 0;
@@ -148,6 +152,21 @@ testkqfilter(struct cdev *dev, struct knote *kn)
return TEST_KQ_ERRNO;
}
static int
testmmap(struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
int nprot, vm_memattr_t *memattr)
{
test_state *state = dev->si_drv1;
assert(paddr != NULL);
assert(memattr == VM_MEMATTR_DEFAULT);
assert(nprot == (PROT_READ | PROT_WRITE));
assert(*state == TEST_KQFILTER);
*state = TEST_MMAP;
return 0;
}
void
test_make_dev(test_state *state, const char *name)
{