Changeset a7818c26 in mainline

Timestamp:

2006-04-09T12:24:36Z (19 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

fcd10af

Parents:

0319a8f6

Message:

psthread RSE support

Location:

libc

Files:

• arch/ia64/include/psthread.h (modified) (2 diffs)
• generic/psthread.c (modified) (3 diffs)

libc/arch/ia64/include/psthread.h

@@ -42 +42 @@
 #define PFM_MASK        (~0x3fffffffff)
 
+#define PSTHREAD_INITIAL_STACK_PAGES_NO 2
+#define PSTHREAD_INITIAL_STACK_DIVISION 2  /*Stack is divided into two equal parts (for clasic stack and register stack)*/
+
+
 #ifdef context_set
 #undef context_set
@@ -49 +53 @@
         do {                                                                                            \
                 (c)->pc = (uint64_t) _pc;                                                               \
-                (c)->bsp = (uint64_t) stack;                                                            \
+                (c)->bsp = ((uint64_t) stack) + size / PSTHREAD_INITIAL_STACK_DIVISION;                                                         \
                 (c)->ar_pfs &= PFM_MASK;                                                                \
-                (c)->sp = ((uint64_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - SP_DELTA;            \
+                (c)->sp = ((uint64_t) stack) + ALIGN_UP((size / PSTHREAD_INITIAL_STACK_DIVISION), STACK_ALIGNMENT) - SP_DELTA;          \
                 (c)->tp = (uint64_t) tls;                                                               \
         } while (0);

libc/generic/psthread.c

@@ -34 +34 @@
 #include <stdio.h>
 #include <kernel/arch/faddr.h>
+
+
+#ifndef PSTHREAD_INITIAL_STACK_PAGES_NO
+#define PSTHREAD_INITIAL_STACK_PAGES_NO 1
+#endif
 
 static LIST_INITIALIZE(ready_list);
@@ -166 +171 @@
                 return 0;
         }
-        pt->stack = (char *) malloc(getpagesize());
+        pt->stack = (char *) malloc(PSTHREAD_INITIAL_STACK_PAGES_NO*getpagesize());
 
         if (!pt->stack) {
@@ -180 +185 @@
 
         context_save(&pt->ctx);
-        context_set(&pt->ctx, FADDR(psthread_main), pt->stack, getpagesize(),
+        context_set(&pt->ctx, FADDR(psthread_main), pt->stack, PSTHREAD_INITIAL_STACK_PAGES_NO*getpagesize(),
                     tcb);