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Diffstat (limited to 'target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_entry.h')
-rw-r--r--target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_entry.h146
1 files changed, 0 insertions, 146 deletions
diff --git a/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_entry.h b/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_entry.h
deleted file mode 100644
index c8f37a4105..0000000000
--- a/target/linux/coldfire/files-2.6.31/arch/m68k/include/asm/cf_entry.h
+++ /dev/null
@@ -1,146 +0,0 @@
-#ifndef __CF_M68K_ENTRY_H
-#define __CF_M68K_ENTRY_H
-
-#include <asm/setup.h>
-#include <asm/page.h>
-#include <asm/coldfire.h>
-#include <asm/cfmmu.h>
-#include <asm/asm-offsets.h>
-
-/*
- * Stack layout in 'ret_from_exception':
- *
- * This allows access to the syscall arguments in registers d1-d5
- *
- * 0(sp) - d1
- * 4(sp) - d2
- * 8(sp) - d3
- * C(sp) - d4
- * 10(sp) - d5
- * 14(sp) - a0
- * 18(sp) - a1
- * 1C(sp) - a2
- * 20(sp) - d0
- * 24(sp) - orig_d0
- * 28(sp) - stack adjustment
- * 2C(sp) - sr
- * 2E(sp) - pc
- * 32(sp) - format & vector
- * 36(sp) - MMUSR
- * 3A(sp) - MMUAR
- */
-
-/*
- * 97/05/14 Andreas: Register %a2 is now set to the current task throughout
- * the whole kernel.
- */
-
-/* the following macro is used when enabling interrupts */
-/* portable version */
-#define ALLOWINT (~0x700)
-#define MAX_NOINT_IPL 0
-
-#ifdef __ASSEMBLY__
-
-#define curptr a2
-
-LFLUSH_I_AND_D = 0x00000808
-LSIGTRAP = 5
-
-/* process bits for task_struct.ptrace */
-PT_TRACESYS_OFF = 3
-PT_TRACESYS_BIT = 1
-PT_PTRACED_OFF = 3
-PT_PTRACED_BIT = 0
-PT_DTRACE_OFF = 3
-PT_DTRACE_BIT = 2
-
-#define SAVE_ALL_INT save_all_int
-#define SAVE_ALL_SYS save_all_sys
-#define RESTORE_ALL restore_all
-/*
- * This defines the normal kernel pt-regs layout.
- *
- * regs a3-a6 and d6-d7 are preserved by C code
- * the kernel doesn't mess with usp unless it needs to
- */
-
-/*
- * a -1 in the orig_d0 field signifies
- * that the stack frame is NOT for syscall
- */
-.macro save_all_int
- movel MMUSR,%sp@-
- movel MMUAR,%sp@-
- clrl %sp@- | stk_adj
- pea -1:w | orig d0
- movel %d0,%sp@- | d0
- subal #(8*4), %sp
- moveml %d1-%d5/%a0-%a1/%curptr,%sp@
-.endm
-
-.macro save_all_sys
- movel MMUSR,%sp@-
- movel MMUAR,%sp@-
- clrl %sp@- | stk_adj
- movel %d0,%sp@- | orig d0
- movel %d0,%sp@- | d0
- subal #(8*4), %sp
- moveml %d1-%d5/%a0-%a1/%curptr,%sp@
-.endm
-
-.macro restore_all
- moveml %sp@,%a0-%a1/%curptr/%d1-%d5
- addal #(8*4), %sp
- movel %sp@+,%d0 | d0
- addql #4,%sp | orig d0
- addl %sp@+,%sp | stk_adj
- addql #8,%sp | MMUAR & MMUSR
- rte
-.endm
-
-#define SWITCH_STACK_SIZE (6*4+4) /* includes return address */
-
-#define SAVE_SWITCH_STACK save_switch_stack
-#define RESTORE_SWITCH_STACK restore_switch_stack
-#define GET_CURRENT(tmp) get_current tmp
-
-.macro save_switch_stack
- subal #(6*4), %sp
- moveml %a3-%a6/%d6-%d7,%sp@
-.endm
-
-.macro restore_switch_stack
- moveml %sp@,%a3-%a6/%d6-%d7
- addal #(6*4), %sp
-.endm
-
-.macro get_current reg=%d0
- movel %sp,\reg
- andl #-THREAD_SIZE,\reg
- movel \reg,%curptr
- movel %curptr@,%curptr
-.endm
-
-#else /* C source */
-
-#define STR(X) STR1(X)
-#define STR1(X) #X
-
-#define PT_OFF_ORIG_D0 0x24
-#define PT_OFF_FORMATVEC 0x32
-#define PT_OFF_SR 0x2C
-#define SAVE_ALL_INT \
- "clrl %%sp@-;" /* stk_adj */ \
- "pea -1:w;" /* orig d0 = -1 */ \
- "movel %%d0,%%sp@-;" /* d0 */ \
- "subal #(8*4),%sp" \
- "moveml %%d1-%%d5/%%a0-%%a2,%%sp@"
-#define GET_CURRENT(tmp) \
- "movel %%sp,"#tmp"\n\t" \
- "andw #-"STR(THREAD_SIZE)","#tmp"\n\t" \
- "movel "#tmp",%%a2\n\t"
-
-#endif
-
-#endif /* __CF_M68K_ENTRY_H */