Changeset 382fb4ba in mainline for kernel/arch/sparc32/src/proc/scheduler.c

Timestamp:

2013-12-10T22:33:33Z (10 years ago)

Author:

Jakub Klama <jakub.klama@…>

Branches:

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

Children:

f7a33de

Parents:

2955bb9

Message:

Fixes as follows:

• memcpy_from/to_uspace - fixed return value when size is 0
• saving UWB pointer after thead runs
• preemptible trap/syscall fixes
• support for missing page fault types in page_fault()

File:

• kernel/arch/sparc32/src/proc/scheduler.c (modified) (2 diffs)

kernel/arch/sparc32/src/proc/scheduler.c

@@ -44 +44 @@
 void before_thread_runs_arch(void)
 {
-        printf("before_thread_runs_arch(uspace=%d, kernel_sp=0x%08x\n", THREAD->uspace, (uintptr_t)THREAD->kstack + STACK_SIZE);
         if (THREAD->uspace) {
                 uint32_t kernel_sp = (uint32_t) THREAD->kstack + STACK_SIZE - 8;
@@ -54 +53 @@
 void after_thread_ran_arch(void)
 {
+        if (THREAD->uspace) {
+                uint32_t kernel_sp;
+                uint32_t uspace_wbuf;
+                uint32_t l7;
+                read_from_invalid(&kernel_sp, &uspace_wbuf, &l7);
+                THREAD->arch.uspace_window_buffer = (uint8_t *)uspace_wbuf;
+        }
 }