|
@@ -9,38 +9,23 @@
|
|
|
#include <time.h>
|
|
|
#include <sched.h>
|
|
|
#include <fcntl.h>
|
|
|
+#include <errno.h>
|
|
|
#include <sys/types.h>
|
|
|
#include <sys/time.h>
|
|
|
#include <sys/stat.h>
|
|
|
|
|
|
#include <pcilib.h>
|
|
|
-#include "pcilib/kmem.h"
|
|
|
+#include <pcilib/bar.h>
|
|
|
+#include <pcilib/kmem.h>
|
|
|
|
|
|
#define DEVICE "/dev/fpga0"
|
|
|
+#define BAR PCILIB_BAR0
|
|
|
+
|
|
|
|
|
|
#define WR(addr, value) { *(uint32_t*)(bar + addr) = value; }
|
|
|
#define RD(addr, value) { value = *(uint32_t*)(bar + addr); }
|
|
|
|
|
|
-int main(int argc, char *argv[]) {
|
|
|
- uint32_t i, j;
|
|
|
- pcilib_t *pci;
|
|
|
- pcilib_kmem_handle_t *kbuf;
|
|
|
-
|
|
|
- void* volatile bar;
|
|
|
-
|
|
|
- pci = pcilib_open(DEVICE, PCILIB_MODEL_DETECT);
|
|
|
- if (!pci) {
|
|
|
- printf("pcilib_open\n");
|
|
|
- exit(1);
|
|
|
- }
|
|
|
-
|
|
|
- kbuf = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_PAGE, 1, 4096, 4096, 0, 0);
|
|
|
- volatile uint32_t *ua = pcilib_kmem_get_ua(pci, kbuf);
|
|
|
- uintptr_t pa = pcilib_kmem_get_pa(pci, kbuf);
|
|
|
-
|
|
|
- printf("User: %p\n", ua);
|
|
|
- printf("HW : 0x%lx\n", pa);
|
|
|
-
|
|
|
+void request(void* volatile ua) {
|
|
|
int fd = open("/sys/class/test/test0/test_request", O_RDWR);
|
|
|
if (fd >= 0) {
|
|
|
size_t bytes;
|
|
@@ -60,9 +45,49 @@ int main(int argc, char *argv[]) {
|
|
|
}
|
|
|
|
|
|
close(fd);
|
|
|
+ } else {
|
|
|
+ printf("Error openning /sys/class/test/test0/test_request, errno %i\n", errno);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+int main(int argc, char *argv[]) {
|
|
|
+ uint32_t i, j;
|
|
|
+ pcilib_t *pci;
|
|
|
+ pcilib_kmem_handle_t *kbuf;
|
|
|
+
|
|
|
+ void* volatile bar;
|
|
|
+ const pcilib_bar_info_t *bar_info;
|
|
|
+
|
|
|
+ pci = pcilib_open(DEVICE, PCILIB_MODEL_DETECT);
|
|
|
+ if (!pci) {
|
|
|
+ printf("pcilib_open\n");
|
|
|
+ exit(1);
|
|
|
+ }
|
|
|
+
|
|
|
+ kbuf = pcilib_alloc_kernel_memory(pci, PCILIB_KMEM_TYPE_PAGE, 1, 4096, 4096, 0, 0);
|
|
|
+ void* volatile ua = pcilib_kmem_get_ua(pci, kbuf);
|
|
|
+ uintptr_t pa = pcilib_kmem_get_pa(pci, kbuf);
|
|
|
+
|
|
|
+ printf("Kmem\n-----\n");
|
|
|
+ printf("User: %p\n", ua);
|
|
|
+ printf("HW : 0x%lx\n", pa);
|
|
|
+ request(ua);
|
|
|
+ printf("\n");
|
|
|
+
|
|
|
+ bar = pcilib_resolve_bar_address(pci, BAR, 0);
|
|
|
+ if (!bar) {
|
|
|
+ pcilib_close(pci);
|
|
|
+ printf("map bar\n");
|
|
|
+ exit(1);
|
|
|
}
|
|
|
+ bar_info = pcilib_get_bar_info(pci, BAR);
|
|
|
+
|
|
|
+ printf("Bar\n-----\n");
|
|
|
+ printf("User: %p\n", bar_info[BAR].virt_addr);
|
|
|
+ printf("HW : %p\n", bar_info[BAR].phys_addr);
|
|
|
+ request(bar_info[BAR].virt_addr);
|
|
|
+ printf("\n");
|
|
|
|
|
|
pcilib_free_kernel_memory(pci, kbuf, 0);
|
|
|
-
|
|
|
pcilib_close(pci);
|
|
|
}
|