Changeset 610 for trunk/hal/tsar_mips32/core/hal_uspace.c

Timestamp:

Dec 27, 2018, 7:38:58 PM (5 years ago)

Author:

alain

Message:

Fix several bugs in VFS to support the following
ksh commandis : cp, mv, rm, mkdir, cd, pwd

File:

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

trunk/hal/tsar_mips32/core/hal_uspace.c

@@ -43 +43 @@
     uint32_t dst = (uint32_t)k_dst;
 
+#if DEBUG_HAL_USPACE
+thread_t * this = CURRENT_THREAD;
+printk("\n[%s] thread[%x,%x] enter in cluster %x / u_src %x / k_dst %x / size %d\n", 
+__FUNCTION__, this->process->pid, this->trdid, local_cxy, u_src, k_dst, size );
+#endif
+
         if( (dst & 0x3) || (src & 0x3) ) wsize = 0;          // do it all in bytes
     else                             wsize = size >> 2;
@@ -80 +86 @@
 
     hal_restore_irq( save_sr );
+
+#if DEBUG_HAL_USPACE
+printk("\n[%s] thread[%x,%x] exit\n", 
+__FUNCTION__, this->process->pid, this->trdid );
+#endif
 
 }  // end hal_copy_from_uspace()
@@ -94 +105 @@
     uint32_t dst = (uint32_t)u_dst;
 
+#if DEBUG_HAL_USPACE
+thread_t * this = CURRENT_THREAD;
+printk("\n[%s] thread[%x,%x] enter in cluster %x / k_src %x / u_dst %x / size %d\n", 
+__FUNCTION__, this->process->pid, this->trdid, local_cxy, k_src, u_dst, size );
+#endif
+
         if( (dst & 0x3) || (src & 0x3) ) wsize = 0;          // not aligned
     else                             wsize = size >> 2;
@@ -118 +135 @@
         asm volatile(
         "mfc2   $15,   $1           \n"   /* save   MMU_MODE                */
-        "lw         $13,   0(%0)        \n"   /* read data from kernel space    */
+        "lb         $13,   0(%0)        \n"   /* read data from kernel space    */
         "ori    $14,   $0,  0x7     \n"  
         "mtc2   $14,   $1                       \n"   /* MMU_MODE <= DTLB ON            */
@@ -130 +147 @@
 
     hal_restore_irq( save_sr );
+
+#if DEBUG_HAL_USPACE
+printk("\n[%s] thread[%x,%x] exit\n", 
+__FUNCTION__, this->process->pid, this->trdid );
+#endif
 
 }  // end hal_copy_to_uspace()