imported Ka-Ro specific additions to U-Boot 2009.08 for TX28

[karo-tx-uboot.git] / include / asm-blackfin / entry.h

diff --git a/include/asm-blackfin/entry.h b/include/asm-blackfin/entry.h
index 607a5b8e98a43604ee813edfced3b2a8d98f6574..ef74d686af89f708699ac9dc3ebcd275cd59d491 100755 (executable)
--- a/include/asm-blackfin/entry.h
+++ b/include/asm-blackfin/entry.h
@@ -1,7 +1,7 @@
 /*
- * U-boot - entry.h Routines for context saving and restoring
+ * entry.h - routines for context saving and restoring (for interrupts/exceptions)
  *
- * Copyright (c) 2005 blackfin.uclinux.org
+ * Copyright (c) 2005-2007 Analog Devices Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -18,44 +18,14 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
  */
 
 #ifndef __BLACKFIN_ENTRY_H
 #define __BLACKFIN_ENTRY_H
-
-#include <linux/config.h>
-#include <asm/setup.h>
-#include <asm/page.h>
-
-/*
- * Stack layout in 'ret_from_exception':
- *
- */
-
-/*
- * Register %p2 is now set to the current task throughout
- * the whole kernel.
- */
-
 #ifdef __ASSEMBLY__
 
-#define        LFLUSH_I_AND_D  0x00000808
-#define        LSIGTRAP        5
-
-/* process bits for task_struct.flags */
-#define        PF_TRACESYS_OFF 3
-#define        PF_TRACESYS_BIT 5
-#define        PF_PTRACED_OFF  3
-#define        PF_PTRACED_BIT  4
-#define        PF_DTRACE_OFF   1
-#define        PF_DTRACE_BIT   5
-
-#define NEW_PT_REGS
-
-#if defined(NEW_PT_REGS)
-
 #define SAVE_ALL_INT           save_context_no_interrupts
 #define SAVE_ALL_SYS           save_context_no_interrupts
 #define SAVE_CONTEXT           save_context_with_interrupts
@@ -64,16 +34,6 @@
 #define RESTORE_ALL_SYS                restore_context_no_interrupts
 #define RESTORE_CONTEXT                restore_context_with_interrupts
 
-#else
-
-#define SAVE_ALL_INT           save_all_int
-#define SAVE_ALL_SYS           save_all_sys
-#define SAVE_CONTEXT           save_context
-#define RESTORE_ALL            restore_context
-#define RESTORE_CONTEXT                restore_context
-
-#endif
-
 /*
  * Code to save processor context.
  * We even save the register which are preserved by a function call
@@ -285,101 +245,5 @@
        sp += 4;
 .endm
 
-#if !defined(NEW_PT_REGS)
-/*
- * a -1 in the orig_r0 field signifies
- * that the stack frame is NOT for syscall
- */
-.macro save_all_int
-/* reserved and disable the single step of SYSCFG, by Steven Chen 03/07/10 */
-       [--sp] = r0;
-       r0.l = 0x30;            /* Errata for BF533 */
-       r0.h = 0x0;
-       syscfg = r0;            /* disable single step flag in SYSCFG */
-       r0 = [sp++];
-       [--sp] = syscfg;        /* store SYSCFG */
-
-       [--sp] = r0;    /* Reserved for IPEND */
-       [--sp] = fp;
-       [--sp] = usp;
-       [--sp] = r0;
-
-       [--sp] = r0;
-       r0 = [sp + 8];
-       [--sp] = a0.x;
-       [--sp] = a1.x;
-       [--sp] = a0.w;
-       [--sp] = a1.w;
-       [--sp] = rets;
-       [--sp] = astat;
-       [--sp] = seqstat;
-       [--sp] = retx;  /* current pc when exception happens */
-       [--sp] = ( r7:5, p5:0 );
-       [--sp] = r1;
-       [--sp] = r2;
-       [--sp] = r4;
-       [--sp] = r3;
-.endm
-
-.macro save_all_sys
-       [--sp] = r0;
-       [--sp] = r0;
-       [--sp] = a0.x;
-       [--sp] = a1.x;
-       [--sp] = a0.w;
-       [--sp] = a1.w;
-       [--sp] = rets;
-       [--sp] = astat;
-       [--sp] = seqstat;
-       [--sp] = retx;  /* current pc when exception happens */
-       [--sp] = ( r7:5, p5:0 );
-       [--sp] = r1;
-       [--sp] = r2;
-       [--sp] = r4;
-       [--sp] = r3;
-.endm
-
-.macro restore_all
-       r3 = [sp++];
-       r4 = [sp++];
-       r2 = [sp++];
-       r1 = [sp++];
-       ( r7:5, p5:0 ) = [sp++];
-       retx = [sp++];
-       seqstat = [sp++];
-       astat = [sp++];
-       rets = [sp++];
-       a1.w = [sp++];
-       a0.w = [sp++];
-       a1.x = [sp++];
-       a0.x = [sp++];
-       sp += 4;        /* orig r0 */
-       r0 = [sp++];
-
-       sp += 4;
-       fp = [sp++];
-       sp +=4;         /* Skip the IPEND */
-
-       syscfg = [sp++];
-
-.endm
-
 #endif
-
-#define STR(X)                         STR1(X)
-#define STR1(X)                #X
-
-#if defined(NEW_PT_REGS)
-
-#define PT_OFF_ORIG_R0         208
-#define PT_OFF_SR              8
-
-#else
-
-#define PT_OFF_ORIG_R0         0x54
-#define PT_OFF_SR              0x38    /* seqstat in pt_regs */
-
-#endif
-#endif
-
 #endif