* 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 */
-#ifdef CONFIG_PPC_MULTIPLATFORM
-extern int _machine;
+#if defined(__KERNEL__) && defined(CONFIG_PPC32)
+
+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.
- */
-extern unsigned char ucSystemType;
-extern unsigned char ucBoardRev;
-extern unsigned char ucBoardRevMaj, ucBoardRevMin;
-#else
-#define _machine 0
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-#endif /* CONFIG_PPC32 */
+#endif /* CONFIG_PPC_PREP */
-#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 /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
/*
* Default implementation of macro that returns current
*/
#define TASK_SIZE_USER32 (0x0000000100000000UL - (1*PAGE_SIZE))
-#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
+#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
TASK_SIZE_USER32 : TASK_SIZE_USER64)
+#define TASK_SIZE TASK_SIZE_OF(current)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
mm_segment_t fs; /* for get_fs() validation */
#ifdef CONFIG_PPC32
void *pgdir; /* root of page-table tree */
- signed long last_syscall;
#endif
#if defined(CONFIG_4xx) || defined (CONFIG_BOOKE)
unsigned long dbcr0; /* debug control register values */
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
/* Complete AltiVec register set */
- vector128 vr[32] __attribute((aligned(16)));
+ vector128 vr[32] __attribute__((aligned(16)));
/* AltiVec status */
- vector128 vscr __attribute((aligned(16)));
+ vector128 vscr __attribute__((aligned(16)));
unsigned long vrsave;
int used_vr; /* set if process has used altivec */
#endif /* CONFIG_ALTIVEC */
.fs = KERNEL_DS, \
.fpr = {0}, \
.fpscr = { .val = 0, }, \
- .fpexc_mode = MSR_FE0|MSR_FE1, \
+ .fpexc_mode = 0, \
}
#endif
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);
#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.
*/
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff