| 40,46 → 40,62 |
|---|
| #include <ipc/services.h> |
| #include <as.h> |
| #include <sysinfo.h> |
| #include <io/stream.h> |
| #include <errno.h> |
| |
| #define NAME "klog" |
| |
| #define KLOG_SIZE PAGE_SIZE |
| |
| /* Pointer to klog area */ |
| static char *klog; |
| |
| static void console_wait(void) |
| { |
| while (get_cons_phone() < 0) |
| usleep(50000); // FIXME |
| } |
| |
| static void interrupt_received(ipc_callid_t callid, ipc_call_t *call) |
| { |
| int i; |
| async_serialize_start(); |
| |
| async_serialize_start(); |
| for (i=0; klog[i + IPC_GET_ARG1(*call)] && i < IPC_GET_ARG2(*call); i++) |
| putchar(klog[i + IPC_GET_ARG1(*call)]); |
| putchar('\n'); |
| size_t klog_start = (size_t) IPC_GET_ARG1(*call); |
| size_t klog_len = (size_t) IPC_GET_ARG2(*call); |
| size_t klog_stored = (size_t) IPC_GET_ARG3(*call); |
| size_t i; |
| for (i = klog_len - klog_stored; i < klog_len; i++) |
| putchar(klog[(klog_start + i) % KLOG_SIZE]); |
| |
| async_serialize_end(); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| int res; |
| void *mapping; |
| |
| printf("Kernel console output.\n"); |
| console_wait(); |
| |
| mapping = as_get_mappable_page(PAGE_SIZE); |
| res = ipc_share_in_start_1_0(PHONE_NS, mapping, PAGE_SIZE, |
| klog = (char *) as_get_mappable_page(KLOG_SIZE); |
| if (klog == NULL) { |
| printf(NAME ": Error allocating memory area\n"); |
| return -1; |
| } |
| |
| int res = ipc_share_in_start_1_0(PHONE_NS, (void *) klog, KLOG_SIZE, |
| SERVICE_MEM_KLOG); |
| if (res) { |
| printf("Failed to initialize klog memarea\n"); |
| _exit(1); |
| if (res != EOK) { |
| printf(NAME ": Error initializing memory area\n"); |
| return -1; |
| } |
| klog = mapping; |
| |
| int inr = sysinfo_value("klog.inr"); |
| int devno = sysinfo_value("klog.devno"); |
| if (ipc_register_irq(inr, devno, 0, NULL)) { |
| printf("Error registering for klog service.\n"); |
| return 0; |
| if (ipc_register_irq(inr, devno, 0, NULL) != EOK) { |
| printf(NAME ": Error registering klog notifications\n"); |
| return -1; |
| } |
| |
| |
| async_set_interrupt_received(interrupt_received); |
| |
| klog_update(); |
| async_manager(); |
| |
| return 0; |