Fix reiserfs after "test_clear_page_dirty()" removal

[powerpc.git] / include / asm-powerpc / processor.h

diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 1dc4bf7..a26c32e 100644 (file)
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -10,72 +10,50 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <asm/reg.h>
 
 #ifndef __ASSEMBLY__
 #include <linux/compiler.h>
 #include <asm/ptrace.h>
 #include <asm/types.h>
-#ifdef CONFIG_PPC64
-#include <asm/systemcfg.h>
-#endif
 
-#ifdef CONFIG_PPC32
-/* 32-bit platform types */
-/* We only need to define a new _MACH_xxx for machines which are part of
- * a configuration which supports more than one type of different machine.
- * This is currently limited to CONFIG_PPC_MULTIPLATFORM and CHRP/PReP/PMac.
- * -- Tom
+/* We do _not_ want to define new machine types at all, those must die
+ * in favor of using the device-tree
+ * -- BenH.
  */
-#define _MACH_prep     0x00000001
-#define _MACH_Pmac     0x00000002      /* pmac or pmac clone (non-chrp) */
-#define _MACH_chrp     0x00000004      /* chrp machine */
 
-/* see residual.h for these */
+/* PREP sub-platform types see residual.h for these */
 #define _PREP_Motorola 0x01    /* motorola prep */
 #define _PREP_Firm     0x02    /* firmworks prep */
 #define _PREP_IBM      0x00    /* ibm prep */
 #define _PREP_Bull     0x03    /* bull prep */
 
-/* these are arbitrary */
+/* CHRP sub-platform types. These are arbitrary */
 #define _CHRP_Motorola 0x04    /* motorola chrp, the cobra */
 #define _CHRP_IBM      0x05    /* IBM chrp, the longtrail and longtrail 2 */
 #define _CHRP_Pegasos  0x06    /* Genesi/bplan's Pegasos and Pegasos2 */
+#define _CHRP_briq     0x07    /* TotalImpact's briQ */
+
+#if defined(__KERNEL__) && defined(CONFIG_PPC32)
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-extern int _machine;
+extern int _chrp_type;
+
+#ifdef CONFIG_PPC_PREP
 
 /* what kind of prep workstation we are */
 extern int _prep_type;
-extern int _chrp_type;
 
 /*
  * This is used to identify the board type from a given PReP board
- * vendor. Board revision is also made available.
+ * vendor. Board revision is also made available. This will be moved
+ * elsewhere soon
  */
-extern unsigned char ucSystemType;
 extern unsigned char ucBoardRev;
 extern unsigned char ucBoardRevMaj, ucBoardRevMin;
-#else
-#define _machine 0
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-#endif /* CONFIG_PPC32 */
 
-#ifdef CONFIG_PPC64
-/* Platforms supported by PPC64 */
-#define PLATFORM_PSERIES      0x0100
-#define PLATFORM_PSERIES_LPAR 0x0101
-#define PLATFORM_ISERIES_LPAR 0x0201
-#define PLATFORM_LPAR         0x0001
-#define PLATFORM_POWERMAC     0x0400
-#define PLATFORM_MAPLE        0x0500
-#define PLATFORM_CELL         0x1000
-
-/* Compatibility with drivers coming from PPC32 world */
-#define _machine       (systemcfg->platform)
-#define _MACH_Pmac     PLATFORM_POWERMAC
-#endif
+#endif /* CONFIG_PPC_PREP */
+
+#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
 
 /*
  * Default implementation of macro that returns current
@@ -168,10 +146,10 @@ struct thread_struct {
                unsigned int val;       /* Floating point status */
        } fpscr;
        int             fpexc_mode;     /* floating-point exception mode */
+       unsigned int    align_ctl;      /* alignment handling control */
 #ifdef CONFIG_PPC64
        unsigned long   start_tb;       /* Start purr when proc switched in */
        unsigned long   accum_tb;       /* Total accumilated purr for process */
-       unsigned long   vdso_base;      /* base of the vDSO library */
 #endif
        unsigned long   dabr;           /* Data address breakpoint register */
 #ifdef CONFIG_ALTIVEC
@@ -209,7 +187,7 @@ struct thread_struct {
        .fs = KERNEL_DS, \
        .fpr = {0}, \
        .fpscr = { .val = 0, }, \
-       .fpexc_mode = MSR_FE0|MSR_FE1, \
+       .fpexc_mode = 0, \
 }
 #endif
 
@@ -231,6 +209,18 @@ unsigned long get_wchan(struct task_struct *p);
 extern int get_fpexc_mode(struct task_struct *tsk, unsigned long adr);
 extern int set_fpexc_mode(struct task_struct *tsk, unsigned int val);
 
+#define GET_ENDIAN(tsk, adr) get_endian((tsk), (adr))
+#define SET_ENDIAN(tsk, val) set_endian((tsk), (val))
+
+extern int get_endian(struct task_struct *tsk, unsigned long adr);
+extern int set_endian(struct task_struct *tsk, unsigned int val);
+
+#define GET_UNALIGN_CTL(tsk, adr)      get_unalign_ctl((tsk), (adr))
+#define SET_UNALIGN_CTL(tsk, val)      set_unalign_ctl((tsk), (val))
+
+extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr);
+extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val);
+
 static inline unsigned int __unpack_fe01(unsigned long msr_bits)
 {
        return ((msr_bits & MSR_FE0) >> 10) | ((msr_bits & MSR_FE1) >> 8);
@@ -247,6 +237,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
 #define cpu_relax()    barrier()
 #endif
 
+/* Check that a certain kernel stack pointer is valid in task_struct p */
+int validate_sp(unsigned long sp, struct task_struct *p,
+                       unsigned long nbytes);
+
 /*
  * Prefetch macros.
  */