patch-2.1.23 linux/include/asm-sparc/asmmacro.h

• Lines: 170
• Date: Sun Jan 26 12:07:47 1997
• Orig file: v2.1.22/linux/include/asm-sparc/asmmacro.h
• Orig date: Wed Dec 18 15:59:01 1996

diff -u --recursive --new-file v2.1.22/linux/include/asm-sparc/asmmacro.h linux/include/asm-sparc/asmmacro.h
@@ -33,168 +33,14 @@
  * lose.  It makes sure the kernel has a proper window so that
  * c-code can be called.
  */
-#ifndef SMP_DEBUG
 #define SAVE_ALL_HEAD \
 	sethi	%hi(trap_setup), %l4; \
 	jmpl	%l4 + %lo(trap_setup), %l6;
 #define SAVE_ALL \
 	SAVE_ALL_HEAD \
 	 nop;
-#else
-#define SAVE_ALL_HEAD \
-	GET_PROCESSOR_ID(l4); \
-	set	C_LABEL(trap_log), %l5; \
-	sll	%l4, 11, %l6; \
-	add	%l5, %l6, %l5; \
-	set	C_LABEL(trap_log_ent), %l6; \
-	sll	%l4, 2, %l4; \
-	add	%l6, %l4, %l6; \
-	ld	[%l6], %l6; \
-	sll	%l6, 3, %l6; \
-	st	%l1, [%l5 + %l6]; \
-	add	%l5, 4, %l5; \
-	st	%l0, [%l5 + %l6]; \
-	set	C_LABEL(trap_log_ent), %l5; \
-	add	%l5, %l4, %l5; \
-	srl	%l6, 3, %l6; \
-	add	%l6, 1, %l6; \
-	and	%l6, 255, %l6; \
-	st	%l6, [%l5]; \
-	sethi	%hi(trap_setup), %l4; \
-	jmpl	%l4 + %lo(trap_setup), %l6;
-#define SAVE_ALL \
-	SAVE_ALL_HEAD \
-	 nop;
-#endif
 
-/* All traps low-level code here must end with this macro.
- * For SMP configurations the ret_trap_entry routine will
- * have to appropriate code to actually release the kernel
- * entry lock.
- */
+/* All traps low-level code here must end with this macro. */
 #define RESTORE_ALL b ret_trap_entry; clr %l6;
-
-#ifndef __SMP__
-
-#define ENTER_SYSCALL
-#define LEAVE_SYSCALL
-#define ENTER_IRQ
-#define LEAVE_IRQ
-
-#else
-
-#define INCREMENT_COUNTER(symbol, tmp1, tmp2) \
-	set	C_LABEL(symbol), %tmp1; \
-	ld	[%tmp1], %tmp2; \
-	add	%tmp2, 1, %tmp2; \
-	st	%tmp2, [%tmp1];
-
-#define DECREMENT_COUNTER(symbol, tmp1, tmp2) \
-	set	C_LABEL(symbol), %tmp1; \
-	ld	[%tmp1], %tmp2; \
-	sub	%tmp2, 1, %tmp2; \
-	st	%tmp2, [%tmp1];
-
-	/* This is so complicated I suggest you don't look at it. */
-#define ENTER_MASK(mask) \
-	GET_PROCESSOR_OFFSET(l4) \
-	set	C_LABEL(smp_proc_in_lock), %l5; \
-	ld	[%l5 + %l4], %l6; \
-	or	%l6, mask, %l6; \
-	st	%l6, [%l5 + %l4]; \
-1: \
-	set	C_LABEL(kernel_flag), %l5; \
-	ldstub	[%l5], %l6; \
-	cmp	%l6, 0; \
-	be	3f; \
-	 nop; \
-	set	C_LABEL(active_kernel_processor), %l5; \
-	GET_PROCESSOR_ID(l4) \
-	ldub	[%l5], %l6; \
-	cmp	%l6, %l4; \
-	be	4f; \
-	 nop; \
-2: \
-	GET_PROCESSOR_MID(l4, l5) \
-	set	C_LABEL(sun4m_interrupts), %l5; \
-	ld	[%l5], %l5; \
-	sll	%l4, 12, %l4; \
-	add	%l5, %l4, %l5; \
-	ld	[%l5], %l4; \
-	sethi	%hi(0x80000000), %l6; \
-	andcc	%l6, %l4, %g0; \
-	be	5f; \
-	 nop; \
-	st	%l6, [%l5 + 4]; \
-	nop; nop; nop; \
-	ld	[%l5], %g0; \
-	nop; nop; nop; \
-	or	%l0, PSR_PIL, %l4; \
-	wr	%l4, 0x0, %psr; \
-	nop; nop; nop; \
-	wr	%l4, PSR_ET, %psr; \
-	nop; nop; nop; \
-	call	C_LABEL(smp_message_irq); \
-       	 nop; \
-	wr	%l0, 0x0, %psr; \
-	nop; nop; nop; \
-5: \
-	set	C_LABEL(kernel_flag), %l5; \
-	ldub	[%l5], %l6; \
-	cmp	%l6, 0; \
-	bne	2b; \
-	 nop; \
-	b	1b; \
-	 nop; \
-3: \
-	GET_PROCESSOR_ID(l4) \
-	set	C_LABEL(active_kernel_processor), %l5; \
-	stb	%l4, [%l5]; \
-	GET_PROCESSOR_MID(l4, l5) \
-	set	C_LABEL(irq_rcvreg), %l5; \
-	ld	[%l5], %l5; \
-	st	%l4, [%l5]; \
-4: \
-
-#define ENTER_SYSCALL \
-	ENTER_MASK(SMP_FROM_SYSCALL) \
-	INCREMENT_COUNTER(kernel_counter, l6, l5) \
-	INCREMENT_COUNTER(syscall_count, l6, l5)
-
-#define ENTER_IRQ \
-	ENTER_MASK(SMP_FROM_INT) \
-	INCREMENT_COUNTER(kernel_counter, l6, l5)
-
-#define LEAVE_MASK(mask) \
-	GET_PROCESSOR_OFFSET(l4) \
-	set	C_LABEL(smp_proc_in_lock), %l5; \
-	ld	[%l5 + %l4], %l6; \
-	andn	%l6, mask, %l6; \
-	st	%l6, [%l5 + %l4];
-
-#define LEAVE_SYSCALL \
-	LEAVE_MASK(SMP_FROM_SYSCALL) \
-	DECREMENT_COUNTER(syscall_count, l6, l5) \
-	set	C_LABEL(kernel_counter), %l6; \
-	ld	[%l6], %l5; \
-	subcc	%l5, 1, %l5; \
-	st	%l5, [%l6]; \
-	bne	1f; \
-	 nop; \
-	set	C_LABEL(active_kernel_processor), %l6; \
-	mov	NO_PROC_ID, %l5; \
-	stb	%l5, [%l6]; \
-	set	C_LABEL(kernel_flag), %l6; \
-	stb	%g0, [%l6]; \
-1:
-
-#define LEAVE_IRQ \
-	LEAVE_MASK(SMP_FROM_INT) \
-	INCREMENT_COUNTER(syscall_count, l6, l5)
-
-
-#define RESTORE_ALL_FASTIRQ b,a	ret_irq_entry;
-
-#endif /* !(__SMP__) */
 
 #endif /* !(_SPARC_ASMMACRO_H) */