Changeset 6b781c0 in mainline for kernel/arch/arm32/src/arm32.c

Timestamp:

2007-06-08T15:02:49Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c03ee1c

Parents:

3ee8a075

Message:

Merge arm32 into trunk.

File:

• kernel/arch/arm32/src/arm32.c (modified) (2 diffs)

kernel/arch/arm32/src/arm32.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2003-2004 Jakub Jermar
+ * Copyright (c) 2007 Michal Kebrt
  * All rights reserved.
  *
@@ -31 +31 @@
  */
 /** @file
+ *  @brief ARM32 architecture specific functions.
  */
 
+#include <arch.h>
+#include <arch/boot.h>
+#include <config.h>
+#include <arch/console.h>
+#include <ddi/device.h>
+#include <genarch/fb/fb.h>
+#include <genarch/fb/visuals.h>
+#include <ddi/irq.h>
+#include <arch/debug/print.h>
+#include <print.h>
+#include <config.h>
+#include <interrupt.h>
+#include <arch/regutils.h>
+#include <arch/machine.h>
+#include <userspace.h>
 
-#include <arch.h>
+/** Information about loaded tasks. */
+bootinfo_t bootinfo;
 
+/** Performs arm32 specific initialization before main_bsp() is called. */
 void arch_pre_main(void)
 {
-        /* TODO */
+        int i;
+
+        init.cnt = bootinfo.cnt;
+
+        for (i = 0; i < bootinfo.cnt; ++i) {
+                init.tasks[i].addr = bootinfo.tasks[i].addr;
+                init.tasks[i].size = bootinfo.tasks[i].size;
+        }
+        
 }
 
+/** Performs arm32 specific initialization before mm is initialized. */
 void arch_pre_mm_init(void)
 {
-        /* TODO */
+        /* It is not assumed by default */
+        interrupts_disable();
 }
 
+/** Performs arm32 specific initialization afterr mm is initialized. */
 void arch_post_mm_init(void)
 {
-        /* TODO */
+        machine_hw_map_init();
+
+        /* Initialize exception dispatch table */
+        exception_init();
+
+        interrupt_init();
+        
+        console_init(device_assign_devno());
+
+#ifdef CONFIG_FB
+        fb_init(machine_get_fb_address(), 640, 480, 1920, VISUAL_RGB_8_8_8);
+#endif
 }
 
+/** Performs arm32 specific tasks needed after cpu is initialized.
+ *
+ * Currently the function is empty.
+ */
 void arch_post_cpu_init(void)
 {
-        /* TODO */
 }
 
+
+/** Performs arm32 specific tasks needed before the multiprocessing is
+ * initialized.
+ *
+ * Currently the function is empty because SMP is not supported.
+ */
 void arch_pre_smp_init(void)
 {
-        /* TODO */
 }
 
+
+/** Performs arm32 specific tasks needed after the multiprocessing is
+ * initialized.
+ *
+ * Currently the function is empty because SMP is not supported.
+ */
 void arch_post_smp_init(void)
 {
-        /* TODO */
 }
 
-/** Perform arm32 specific tasks needed before the new task is run. */
+
+/** Performs arm32 specific tasks needed before the new task is run. */
 void before_task_runs_arch(void)
 {
-        /* TODO */
+        tlb_invalidate_all();
 }
 
-/** Perform arm32 specific tasks needed before the new thread is scheduled. */
+
+/** Performs arm32 specific tasks needed before the new thread is scheduled.
+ *
+ * It sets supervisor_sp.
+ */
 void before_thread_runs_arch(void)
 {
-        /* TODO */
+        uint8_t *stck;
+        
+        stck = &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA];
+        supervisor_sp = (uintptr_t) stck;
 }
 
+/** Performs arm32 specific tasks before a thread stops running.
+ *
+ * Currently the function is empty.
+ */
 void after_thread_ran_arch(void)
 {
-        /* TODO */
 }
 
-void arch_reboot(void)
+/** Halts CPU. */
+void cpu_halt(void)
 {
-        // TODO
-        while (1);
+        machine_cpu_halt();
+}
+
+/** Reboot. */
+void arch_reboot()
+{
+        /* not implemented */
+        for (;;)
+                ;
 }