Changeset 619 for trunk/hal/tsar_mips32/core/hal_special.c

Timestamp:

Feb 12, 2019, 1:15:47 PM (5 years ago)

Author:

alain

Message:

1) Fix a bug in KSH : after the "load" command,

the [ksh] prompt is now printed after completion
of the loaded application.

2) Fix a bug in vmm_handle_cow() : the copy-on-write

use now a hal_remote_memcpy() to replicate the page content.

File:

• trunk/hal/tsar_mips32/core/hal_special.c (modified) (5 diffs)

trunk/hal/tsar_mips32/core/hal_special.c

@@ -25 +25 @@
 #include <hal_kernel_types.h>
 #include <hal_special.h>
+#include <hal_exception.h>
 #include <core.h>
 #include <thread.h>
@@ -145 +146 @@
 }
 
-//////////////////////////////
-uint32_t hal_get_stack( void )
+///////////////////////////
+uint32_t hal_get_sp( void )
 {
         register uint32_t sp;
@@ -155 +156 @@
 }
 
-////////////////////////////////////////
-uint32_t hal_set_stack( void * new_val )
+/////////////////////////////////////
+uint32_t hal_set_sp( void * new_val )
 {
         register uint32_t sp;
@@ -168 +169 @@
 }
 
+///////////////////////////
+uint32_t hal_get_ra( void )
+{
+        register uint32_t ra;
+  
+        asm volatile ("or    %0,   $0,   $31" : "=&r" (ra));
+  
+        return ra;
+}
+
 //////////////////////////////////
 uint32_t hal_get_bad_vaddr( void )
@@ -216 +227 @@
 void hal_core_sleep( void )
 {
+    thread_t * this = CURRENT_THREAD;
+
+    printk("\n*** thread[%x,%x] on core[%x,%d]/n"
+           "  sr = %X / sp = %X / ra = %X\n",
+           this->process->pid, this->trdid, local_cxy, this->core->lid,  
+           hal_get_sr(), hal_get_sp(), hal_get_ra() );
+
         while( 1 ) asm volatile ("nop");
 }