Changes in kernel/generic/src/main/kinit.c [7e752b2:221c9ec] in mainline

File:

• kernel/generic/src/main/kinit.c (modified) (4 diffs)

kernel/generic/src/main/kinit.c

@@ -57 +57 @@
 #include <mm/as.h>
 #include <mm/frame.h>
+#include <mm/km.h>
 #include <print.h>
 #include <memstr.h>
@@ -68 +69 @@
 #include <str.h>
 #include <sysinfo/stats.h>
+#include <align.h>
 
 #ifdef CONFIG_SMP
@@ -178 +180 @@
         
         for (i = 0; i < init.cnt; i++) {
-                if (init.tasks[i].addr % FRAME_SIZE) {
-                        printf("init[%zu].addr is not frame aligned\n", i);
+                if (init.tasks[i].paddr % FRAME_SIZE) {
+                        printf("init[%zu]: Address is not frame aligned\n", i);
                         programs[i].task = NULL;
                         continue;
@@ -199 +201 @@
                 str_cpy(namebuf + INIT_PREFIX_LEN,
                     TASK_NAME_BUFLEN - INIT_PREFIX_LEN, name);
-                
-                int rc = program_create_from_image((void *) init.tasks[i].addr,
-                    namebuf, &programs[i]);
-                
-                if ((rc == 0) && (programs[i].task != NULL)) {
+
+                /*
+                 * Create virtual memory mappings for init task images.
+                 */
+                uintptr_t page = km_map(init.tasks[i].paddr,
+                    init.tasks[i].size,
+                    PAGE_READ | PAGE_WRITE | PAGE_CACHEABLE);
+                ASSERT(page);
+                
+                int rc = program_create_from_image((void *) page, namebuf,
+                    &programs[i]);
+                
+                if (rc == 0) {
+                        if (programs[i].task != NULL) {
+                                /*
+                                 * Set capabilities to init userspace tasks.
+                                 */
+                                cap_set(programs[i].task, CAP_CAP | CAP_MEM_MANAGER |
+                                    CAP_IO_MANAGER | CAP_IRQ_REG);
+                                
+                                if (!ipc_phone_0)
+                                        ipc_phone_0 = &programs[i].task->answerbox;
+                        }
+                        
                         /*
-                         * Set capabilities to init userspace tasks.
+                         * If programs[i].task == NULL then it is
+                         * the program loader and it was registered
+                         * successfully.
                          */
-                        cap_set(programs[i].task, CAP_CAP | CAP_MEM_MANAGER |
-                            CAP_IO_MANAGER | CAP_IRQ_REG);
-                        
-                        if (!ipc_phone_0)
-                                ipc_phone_0 = &programs[i].task->answerbox;
-                } else if (rc == 0) {
-                        /* It was the program loader and was registered */
-                } else {
-                        /* RAM disk image */
-                        int rd = init_rd((rd_header_t *) init.tasks[i].addr, init.tasks[i].size);
-                        
-                        if (rd != RE_OK)
-                                printf("Init binary %zu not used (error %d)\n", i, rd);
-                }
+                } else if (i == init.cnt - 1) {
+                        /*
+                         * Assume the last task is the RAM disk.
+                         */
+                        init_rd((void *) init.tasks[i].paddr, init.tasks[i].size);
+                } else
+                        printf("init[%zu]: Init binary load failed (error %d)\n", i, rc);
         }