X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=cpu.h;h=c8a242f22645931af2252572d9ed3d8027a21d46;hb=d8c41d44af59c3b699736024da1ccc11efa52384;hp=8d9ed1db923d00955f9aa9fc57bc1cfd26d2d57c;hpb=20e373712db1c78967b0491593fa139fc3ea0aad;p=bertos.git diff --git a/cpu.h b/cpu.h index 8d9ed1db..c8a242f2 100755 --- a/cpu.h +++ b/cpu.h @@ -17,6 +17,12 @@ /* * $Log$ + * Revision 1.8 2004/07/30 14:15:53 rasky + * Nuovo supporto unificato per detect della CPU + * + * Revision 1.7 2004/07/20 23:26:48 bernie + * Fix two errors introduced by previous commit. + * * Revision 1.6 2004/07/20 23:12:16 bernie * Rationalize and document SCHEDULER_IDLE. * @@ -41,15 +47,19 @@ #include "compiler.h" + //! Initialization value for registers in stack frame #define CPU_REG_INIT_VALUE(reg) 0 -// Macros for determining CPU endianness +// Macros for determining CPU endianess #define CPU_BIG_ENDIAN 0x1234 #define CPU_LITTLE_ENDIAN 0x3412 +// Macros to include cpu-specific version of the headers +#define CPU_HEADER(module) PP_STRINGIZE(PP_CAT4(module, _, CPU_ID, .h)) -#if defined(__IAR_SYSTEMS_ICC) || defined(__IAR_SYSTEMS_ICC__) /* 80C196 */ + +#if CPU_I196 #define DISABLE_INTS disable_interrupt() #define ENABLE_INTS enable_interrupt() @@ -63,7 +73,7 @@ #define CPU_SP_ON_EMPTY_SLOT 0 #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN -#elif defined(__i386__) || defined(_MSC_VER) /* x86 */ +#elif CPU_X86 #define NOP asm volatile ("nop") #define DISABLE_INTS /* nothing */ @@ -77,7 +87,7 @@ #define CPU_SP_ON_EMPTY_SLOT 0 #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN -#elif defined(__m56800E__) || defined(__m56800__) /* DSP56K */ +#elif CPU_DSP56K #define NOP asm(nop) #define DISABLE_INTS do { asm(bfset #0x0200,SR); asm(nop); } while (0) @@ -141,8 +151,6 @@ #define CPU_STACK_GROWS_UPWARD 0 #define CPU_SP_ON_EMPTY_SLOT 1 #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN -#else - #error Unknown CPU #endif @@ -189,7 +197,7 @@ #endif -#if defined(__m56800E__) || defined(__m56800__) +#if CPU_DSP56K /* DSP56k pushes both PC and SR to the stack in the JSR instruction, but * RTS discards SR while returning (it does not restore it). So we push * 0 to fake the same context. @@ -228,7 +236,7 @@ * in hosted environments such as emulators. */ #ifndef SCHEDULER_IDLE - #if (ARCH & ARCH_EMUL) + #if defined(ARCH_EMUL) && (ARCH & ARCH_EMUL) /* This emulator hook should yeld the CPU to the host. */ EXTERN_C_BEGIN void SchedulerIdle(void);