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Changed memory allocation routines to pure C/C++ code for better portability

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This commit is contained in:
Dimitris Panokostas 2018-03-04 12:04:15 +01:00
parent 841f94ad50
commit 2dd8604358
1 changed files with 22 additions and 67 deletions
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89
src/machdep/maccess.h
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@ -9,101 +9,56 @@
#ifndef MACCESS_UAE_H
#define MACCESS_UAE_H
#ifdef ARMV6_ASSEMBLY
STATIC_INLINE uae_u16 do_get_mem_word(uae_u16 *_GCCRES_ a)
static uae_u32 do_get_mem_long(uae_u32 *a)
{
uae_u16 v;
__asm__ (
"ldrh %[v], [%[a]] \n\t"
"rev16 %[v], %[v] \n\t"
: [v] "=r" (v) : [a] "r" (a) );
return v;
uae_u8 *b = (uae_u8 *)a;
return (*b << 24) | (*(b + 1) << 16) | (*(b + 2) << 8) | (*(b + 3));
}
#else
STATIC_INLINE uae_u16 do_get_mem_word(uae_u16 *_GCCRES_ a)
static uae_u16 do_get_mem_word(uae_u16 *a)
{
uae_u8 *b = (uae_u8 *)a;
return (*b << 8) | (*(b+1));
}
#endif
#ifdef ARMV6_ASSEMBLY
STATIC_INLINE uae_u32 do_get_mem_long(uae_u32 *a)
{
uae_u32 v;
__asm__ (
"ldr %[v], [%[a]] \n\t"
"rev %[v], %[v] \n\t"
: [v] "=r" (v) : [a] "r" (a) );
return v;
}
#else
STATIC_INLINE uae_u32 do_get_mem_long(uae_u32 *_GCCRES_ a)
{
uae_u8 *b = (uae_u8 *)a;
return (*b << 24) | (*(b+1) << 16) | (*(b+2) << 8) | (*(b+3));
}
#endif
STATIC_INLINE uae_u8 do_get_mem_byte(uae_u8 *_GCCRES_ a)
static uae_u8 do_get_mem_byte(uae_u8 *a)
{
return *a;
}
#ifdef ARMV6_ASSEMBLY
STATIC_INLINE void do_put_mem_word(uae_u16 *_GCCRES_ a, uae_u16 v)
static void do_put_mem_long(uae_u32 *a, uae_u32 v)
{
__asm__ (
"rev16 r2, %[v] \n\t"
"strh r2, [%[a]] \n\t"
: : [v] "r" (v), [a] "r" (a) : "r2", "memory" );
uae_u8 *b = (uae_u8 *)a;
*b = v >> 24;
*(b + 1) = v >> 16;
*(b + 2) = v >> 8;
*(b + 3) = v;
}
#else
STATIC_INLINE void do_put_mem_word(uae_u16 *_GCCRES_ a, uae_u16 v)
static void do_put_mem_word(uae_u16 *a, uae_u16 v)
{
uae_u8 *b = (uae_u8 *)a;
*b = v >> 8;
*(b+1) = v;
}
#endif
#ifdef ARMV6_ASSEMBLY
STATIC_INLINE void do_put_mem_long(uae_u32 *_GCCRES_ a, uae_u32 v)
{
__asm__ (
"rev r2, %[v] \n\t"
"str r2, [%[a]] \n\t"
: : [v] "r" (v), [a] "r" (a) : "r2", "memory" );
}
#else
STATIC_INLINE void do_put_mem_long(uae_u32 *_GCCRES_ a, uae_u32 v)
{
uae_u8 *b = (uae_u8 *)a;
*b = v >> 24;
*(b+1) = v >> 16;
*(b+2) = v >> 8;
*(b+3) = v;
}
#endif
STATIC_INLINE void do_put_mem_byte(uae_u8 *_GCCRES_ a, uae_u8 v)
static void do_put_mem_byte(uae_u8 *a, uae_u8 v)
{
*a = v;
}
#define ALIGN_POINTER_TO32(p) ((~(unsigned long)(p)) & 3)
#define call_mem_get_func(func, addr) ((*func)(addr))
#define call_mem_put_func(func, addr, v) ((*func)(addr, v))
#undef USE_MAPPED_MEMORY
#undef CAN_MAP_MEMORY
#undef NO_INLINE_MEMORY_ACCESS
#undef MD_HAVE_MEM_1_FUNCS
#define ALIGN_POINTER_TO32(p) ((~(unsigned long)(p)) & 3)
#endif