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Merge master.kernel.org:/home/rmk/linux-2.6-arm

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* master.kernel.org:/home/rmk/linux-2.6-arm:
  [ARM] vfp: fix fuitod/fsitod instructions
  [ARM] pxa: silence warnings from cpu_is_xxx() macros
This commit is contained in:
Linus Torvalds 2008-01-13 10:03:10 -08:00
commit 1a1b285c24
4 changed files with 34 additions and 19 deletions
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2
arch/arm/vfp/vfp.h
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@ -361,10 +361,12 @@ u32 vfp_estimate_sqrt_significand(u32 exponent, u32 significand);
* OP_SCALAR - this operation always operates in scalar mode
* OP_SD - the instruction exceptionally writes to a single precision result.
* OP_DD - the instruction exceptionally writes to a double precision result.
* OP_SM - the instruction exceptionally reads from a single precision operand.
*/
#define OP_SCALAR (1 << 0)
#define OP_SD (1 << 1)
#define OP_DD (1 << 1)
#define OP_SM (1 << 2)
struct op {
u32 (* const fn)(int dd, int dn, int dm, u32 fpscr);

14
arch/arm/vfp/vfpdouble.c
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@ -668,8 +668,8 @@ static struct op fops_ext[32] = {
[FEXT_TO_IDX(FEXT_FCMPZ)] = { vfp_double_fcmpz, OP_SCALAR },
[FEXT_TO_IDX(FEXT_FCMPEZ)] = { vfp_double_fcmpez, OP_SCALAR },
[FEXT_TO_IDX(FEXT_FCVT)] = { vfp_double_fcvts, OP_SCALAR|OP_SD },
[FEXT_TO_IDX(FEXT_FUITO)] = { vfp_double_fuito, OP_SCALAR },
[FEXT_TO_IDX(FEXT_FSITO)] = { vfp_double_fsito, OP_SCALAR },
[FEXT_TO_IDX(FEXT_FUITO)] = { vfp_double_fuito, OP_SCALAR|OP_SM },
[FEXT_TO_IDX(FEXT_FSITO)] = { vfp_double_fsito, OP_SCALAR|OP_SM },
[FEXT_TO_IDX(FEXT_FTOUI)] = { vfp_double_ftoui, OP_SCALAR|OP_SD },
[FEXT_TO_IDX(FEXT_FTOUIZ)] = { vfp_double_ftouiz, OP_SCALAR|OP_SD },
[FEXT_TO_IDX(FEXT_FTOSI)] = { vfp_double_ftosi, OP_SCALAR|OP_SD },
@ -1128,7 +1128,7 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
u32 exceptions = 0;
unsigned int dest;
unsigned int dn = vfp_get_dn(inst);
unsigned int dm = vfp_get_dm(inst);
unsigned int dm;
unsigned int vecitr, veclen, vecstride;
struct op *fop;
@ -1145,6 +1145,14 @@ u32 vfp_double_cpdo(u32 inst, u32 fpscr)
else
dest = vfp_get_dd(inst);
/*
* f[us]ito takes a sN operand, not a dN operand.
*/
if (fop->flags & OP_SM)
dm = vfp_get_sm(inst);
else
dm = vfp_get_dm(inst);
/*
* If destination bank is zero, vector length is always '1'.
* ARM DDI0100F C5.1.3, C5.3.2.

24
include/asm-arm/arch-pxa/hardware.h
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@ -121,38 +121,32 @@
#define cpu_is_pxa21x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa21x(id); \
__cpu_is_pxa21x(read_cpuid_id()); \
})
#define cpu_is_pxa25x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa25x(id); \
__cpu_is_pxa25x(read_cpuid_id()); \
})
#define cpu_is_pxa27x() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa27x(id); \
__cpu_is_pxa27x(read_cpuid_id()); \
})
#define cpu_is_pxa300() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa300(id); \
__cpu_is_pxa300(read_cpuid_id()); \
})
#define cpu_is_pxa310() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa310(id); \
__cpu_is_pxa310(read_cpuid_id()); \
})
#define cpu_is_pxa320() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa320(id); \
__cpu_is_pxa320(read_cpuid_id()); \
})
/*
@ -174,14 +168,12 @@
#define cpu_is_pxa2xx() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa2xx(id); \
__cpu_is_pxa2xx(read_cpuid_id()); \
})
#define cpu_is_pxa3xx() \
({ \
unsigned int id = read_cpuid(CPUID_ID); \
__cpu_is_pxa3xx(id); \
__cpu_is_pxa3xx(read_cpuid_id()); \
})
/*

13
include/asm-arm/system.h
View File

@ -75,8 +75,21 @@
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
#include <linux/stringify.h>
#include <linux/irqflags.h>
/*
* The CPU ID never changes at run time, so we might as well tell the
* compiler that it's constant. Use this function to read the CPU ID
* rather than directly reading processor_id or read_cpuid() directly.
*/
static inline unsigned int read_cpuid_id(void) __attribute_const__;
static inline unsigned int read_cpuid_id(void)
{
return read_cpuid(CPUID_ID);
}
#define __exception __attribute__((section(".exception.text")))
struct thread_info;