[coldfire]: switch to 2.6.38

[openwrt.git] / target / linux / coldfire / files-2.6.31 / arch / m68k / include / asm / cf_entry.h

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 (file)
index c8f37a4..0000000
--- 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 */