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score/cpu/.../i386.h: PR2020: Remove soft float references

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i386 soft-float is no longer supported by gcc. Dropping
related code in the i386 score/cpu code.
This commit is contained in:
Joel Sherrill
2013-05-01 10:13:08 -05:00
parent 5aa4ed9917
commit d23c44d52b
1 changed files with 20 additions and 46 deletions
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cpukit/score/cpu/i386/rtems/score/i386.h
+20 -46
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@@ -1,14 +1,14 @@
/**
* @file
*
*
* @brief Intel I386 CPU Dependent Source
*
*
* This include file contains information pertaining to the Intel
* i386 processor.
*/
/*
* COPYRIGHT (c) 1989-1999.
* COPYRIGHT (c) 1989-2013.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
@@ -33,9 +33,7 @@ extern "C" {
*
* Currently recognized:
* i386_fp (i386 DX or SX w/i387)
* i386_nofp (i386 DX or SX w/o i387)
* i486dx
* i486sx
* pentium
* pentiumpro
*
@@ -46,49 +44,36 @@ extern "C" {
* be present in all i486's and above.
*
* I386_HAS_FPU: Defined to "1" if the CPU has an FPU.
*
* As of at least gcc 4.7, i386 soft-float was obsoleted.
* Thus this is always set to "1".
*/
#if defined(_SOFT_FLOAT)
#define I386_HAS_FPU 0
#else
#define I386_HAS_FPU 1
#endif
#if defined(__pentiumpro__)
#define CPU_MODEL_NAME "Pentium Pro"
#define CPU_MODEL_NAME "Pentium Pro"
#elif defined(__i586__)
# if defined(__pentium__)
# define CPU_MODEL_NAME "Pentium"
# elif defined(__k6__)
# define CPU_MODEL_NAME "K6"
# else
# define CPU_MODEL_NAME "i586"
# endif
#if defined(__pentium__)
#define CPU_MODEL_NAME "Pentium"
#elif defined(__k6__)
#define CPU_MODEL_NAME "K6"
#else
#define CPU_MODEL_NAME "i586"
#endif
#elif defined(__i486__)
# if !defined(_SOFT_FLOAT)
# define CPU_MODEL_NAME "i486dx"
# else
# define CPU_MODEL_NAME "i486sx"
# endif
#define CPU_MODEL_NAME "i486dx"
#elif defined(__i386__)
#define I386_HAS_BSWAP 0
# if !defined(_SOFT_FLOAT)
# define CPU_MODEL_NAME "i386 with i387"
# else
# define CPU_MODEL_NAME "i386 w/o i387"
# endif
#define I386_HAS_BSWAP 0
#define CPU_MODEL_NAME "i386 with i387"
#else
#error "Unknown CPU Model"
#error "Unknown CPU Model"
#endif
/*
@@ -96,11 +81,6 @@ extern "C" {
*
* NOTE: These settings are chosen to reflect most of the family members.
*/
#ifndef I386_HAS_FPU
#define I386_HAS_FPU 1
#endif
#ifndef I386_HAS_BSWAP
#define I386_HAS_BSWAP 1
#endif
@@ -108,7 +88,6 @@ extern "C" {
/*
* Define the name of the CPU family.
*/
#define CPU_NAME "Intel i386"
#ifndef ASM
@@ -138,17 +117,15 @@ static inline uint16_t i386_swap_u16(
uint16_t value
)
{
unsigned short sout;
unsigned short sout;
__asm__ volatile( "rorw $8,%0" : "=r" (sout) : "0" (value));
return (sout);
__asm__ volatile( "rorw $8,%0" : "=r" (sout) : "0" (value));
return (sout);
}
/*
* Added for pagination management
*/
static inline unsigned int i386_get_cr0(void)
{
register unsigned int segment = 0;
@@ -193,7 +170,6 @@ static inline void i386_set_cr3(unsigned int segment)
*
* Converts logical address to physical address.
*/
void *i386_Logical_to_physical(
unsigned short segment,
void *address
@@ -204,13 +180,11 @@ void *i386_Logical_to_physical(
*
* Converts physical address to logical address.
*/
void *i386_Physical_to_logical(
unsigned short segment,
void *address
);
/*
* "Simpler" names for a lot of the things defined in this file
*/