Changeset 425 for trunk/hal/tsar_mips32/core/hal_syscall.c

Timestamp:

Jan 29, 2018, 5:57:57 PM (5 years ago)

Author:

alain

Message:

bloup

File:

• trunk/hal/tsar_mips32/core/hal_syscall.c (modified) (3 diffs)

trunk/hal/tsar_mips32/core/hal_syscall.c

@@ -29 +29 @@
 #include <hal_kentry.h>
 
-// @@@
-// __attribute__((section(".kdata"))) uint32_t * enter_uzone;
-// __attribute__((section(".kdata"))) uint32_t * exit_uzone;
-// @@@
-
 /////////////////////
 void hal_do_syscall()
@@ -51 +46 @@
     // get pointer on enter_thread uzone
     this        = CURRENT_THREAD;
-    enter_uzone = (uint32_t *)this->uzone;
+    enter_uzone = (uint32_t *)this->uzone_current;
+
+//printk("\n@@@ enter %s : thread = %x / enter_uzone = %x / EPC = %x\n", 
+//__FUNCTION__ , this , enter_uzone , enter_uzone[UZ_EPC] );
 
     // get syscall arguments from uzone
@@ -68 +66 @@
                          service_num );
 
-    // get pointer on exit_thread uzone,
+    // get pointer on exit_thread uzone, because
     // exit_thread can be different from enter_thread
     this       = CURRENT_THREAD;
-    exit_uzone = (uint32_t *)this->uzone;
+    exit_uzone = (uint32_t *)this->uzone_current;
 
-// printk("\n@@@ %s exit : enter_uzone = %x / exit_uzone = %x\n",
-// __FUNCTION__ , enter_uzone , exit_uzone );
+//printk("\n@@@ exit %s : thread = %x / exit_uzone = %x / EPC = %x\n", 
+//__FUNCTION__ , this , exit_uzone , exit_uzone[UZ_EPC] );
 
-    // set syscall return value to uzone 
+    // set return value to uzone 
         exit_uzone[UZ_V0] = retval;