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add big endian platform support

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This commit is contained in:
kub 2021-02-22 22:25:03 +01:00
parent b053cb2044
commit 57c5a5e505
21 changed files with 224 additions and 178 deletions
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47
cpu/fame/fame.h
View file

@ -98,44 +98,7 @@ extern "C" {
/* Data definition */
/*******************/
#include <pico/pico_types.h>
/*
#ifdef u8
#undef u8
#endif
#ifdef s8
#undef s8
#endif
#ifdef u16
#undef u16
#endif
#ifdef s16
#undef s16
#endif
#ifdef u32
#undef u32
#endif
#ifdef s32
#undef s32
#endif
#ifdef uptr
#undef uptr
#endif
#define u8 unsigned char
#define s8 signed char
#define u16 unsigned short
#define s16 signed short
#define u32 unsigned int
#define s32 signed int
#define uptr uintptr_t
*/
#include <pico/pico_port.h>
/*
typedef unsigned char u8;
@ -148,10 +111,10 @@ typedef signed int s32;
typedef union
{
u8 B;
s8 SB;
u16 W;
s16 SW;
u8 B[4];
s8 SB[4];
u16 W[2];
s16 SW[2];
u32 D;
s32 SD;
} famec_union32;

15
cpu/fame/famec.c
View file

@ -183,19 +183,22 @@
// internals core macros
/////////////////////////
#define XB MEM_LE4(0)
#define XW MEM_LE2(0)
#define DREG(X) (ctx->dreg[(X)].D)
#define DREGu32(X) (ctx->dreg[(X)].D)
#define DREGs32(X) (ctx->dreg[(X)].SD)
#define DREGu16(X) (ctx->dreg[(X)].W)
#define DREGs16(X) (ctx->dreg[(X)].SW)
#define DREGu8(X) (ctx->dreg[(X)].B)
#define DREGs8(X) (ctx->dreg[(X)].SB)
#define DREGu16(X) (ctx->dreg[(X)].W[XW])
#define DREGs16(X) (ctx->dreg[(X)].SW[XW])
#define DREGu8(X) (ctx->dreg[(X)].B[XB])
#define DREGs8(X) (ctx->dreg[(X)].SB[XB])
#define AREG(X) (ctx->areg[(X)].D)
#define AREGu32(X) (ctx->areg[(X)].D)
#define AREGs32(X) (ctx->areg[(X)].SD)
#define AREGu16(X) (ctx->areg[(X)].W)
#define AREGs16(X) (ctx->areg[(X)].SW)
#define AREGu16(X) (ctx->areg[(X)].W[XW])
#define AREGs16(X) (ctx->areg[(X)].SW[XW])
#define ASP (ctx->asp)