Changeset 83d2d0e in mainline for arch/ia64/include

Timestamp:

2006-03-05T20:28:31Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

e1c68e0c

Parents:

bc314be8

Message:

ia64 work.

ivt.S:
Detect userspace stack in heavyweight handler and switch to kernel stack.
Remember the old stack pointer.
As for register stack, kernel stack is assumed still.
Fix alignment issues that showed when STACK_ITEMS was odd.
Fix ld8 instruction that did subtraction of 8 instead of addition of 8.

scheduler.c:
Change before_thread_runs_arch() to calculate address of top of the stack
for the interrupt handler.

Location:

arch/ia64/include

Files:

• interrupt.h (modified) (1 diff)
• register.h (modified) (1 diff)

arch/ia64/include/interrupt.h

@@ -60 +60 @@
         __address cr_iip;
         __u64 pr;
+        __address sp;
 } __attribute__ ((packed));
 

arch/ia64/include/register.h

@@ -42 +42 @@
 #define PSR_RT_MASK     (1<<27)
 #define PSR_IT_MASK     0x0000001000000000
+
+#define PSR_CPL_SHIFT           32
+#define PSR_CPL_MASK_SHIFTED    3
 
 /** Application registers. */