/SPARTAN/trunk/arch/ia64/include/asm.h |
---|
32,10 → 32,19 |
#include <arch/types.h> |
#include <config.h> |
/* TODO: implement the real stuff */ |
/** Return base address of current stack |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE long. |
* The stack must start on page boundary. |
*/ |
static inline __address get_stack_base(void) |
{ |
return NULL; |
__u64 v; |
__asm__ volatile ("and %0 = %1, r12" : "=r" (v) : "r" (~(STACK_SIZE-1))); |
return v; |
} |
#endif |
/SPARTAN/trunk/arch/ia64/include/context.h |
---|
31,11 → 31,15 |
#include <arch/types.h> |
#define STACK_ITEM_SIZE 16 |
/* |
* context_save() and context_restore() are both leaf procedures. |
* No need to allocate scratch area. |
* |
* One item is put onto the stack to support get_stack_base(). |
*/ |
#define SP_DELTA 0 |
#define SP_DELTA (0+STACK_ITEM_SIZE) |
#ifdef context_set |
#undef context_set |
/SPARTAN/trunk/arch/mips/include/asm.h |
---|
38,6 → 38,7 |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
*/ |
static inline __address get_stack_base(void) |
{ |
/SPARTAN/trunk/arch/mips/include/context.h |
---|
31,9 → 31,14 |
#include <arch/types.h> |
#define SP_DELTA 0 |
#define STACK_ITEM_SIZE 4 |
/* |
* Put one item onto the stack to support get_stack_base(). |
*/ |
#define SP_DELTA (0+STACK_ITEM_SIZE) |
struct context { |
__u32 r0; |
__u32 r1; |
/SPARTAN/trunk/arch/ia32/include/asm.h |
---|
161,6 → 161,7 |
* |
* Return the base address of the current stack. |
* The stack is assumed to be STACK_SIZE bytes long. |
* The stack must start on page boundary. |
*/ |
static inline __address get_stack_base(void) |
{ |
/SPARTAN/trunk/arch/ia32/include/context.h |
---|
31,11 → 31,15 |
#include <arch/types.h> |
#define STACK_ITEM_SIZE 4 |
/* |
* Both context_save() and context_restore() eat two doublewords from the stack. |
* First for pop of the saved register, second during ret instruction. |
* |
* One item is put onto stack to support get_stack_base(). |
*/ |
#define SP_DELTA 8 |
#define SP_DELTA (8+STACK_ITEM_SIZE) |
struct context { |
__u32 sp; |
/SPARTAN/trunk/arch/ia32/include/cpu.h |
---|
29,8 → 29,6 |
#ifndef __ia32_CPU_H__ |
#define __ia32_CPU_H__ |
#include <config.h> |
#include <proc/thread.h> |
#include <typedefs.h> |
#include <arch/pm.h> |
#include <arch/asm.h> |