X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Fattr.h;h=331f26dff0c372d7290a7e9862b9651ac36dfafc;hb=57fa5e371a8b40afc99b922731b77d17c55330a4;hp=2dab957ff79434de7184accd3650c21c5dccd50f;hpb=c37e6a3f6900ec803c2608fb387054247bab88aa;p=bertos.git diff --git a/bertos/cpu/attr.h b/bertos/cpu/attr.h index 2dab957f..331f26df 100644 --- a/bertos/cpu/attr.h +++ b/bertos/cpu/attr.h @@ -144,7 +144,7 @@ * to get them transparently copied to SRAM for zero-wait-state * operation. */ - #define FAST_FUNC __attribute__((section(".data"))) + #define FAST_FUNC __attribute__((section(".ramfunc"))) /** * Data attribute to move constant data to fast memory storage. @@ -161,7 +161,7 @@ /* * Function attribute to move it into ram memory. */ - #define RAM_FUNC __attribute__((section(".data"))) + #define RAM_FUNC __attribute__((section(".ramfunc"))) #endif /* !__IAR_SYSTEMS_ICC_ */ #elif CPU_CM3 @@ -171,25 +171,42 @@ #define CPU_HARVARD 0 /// Valid pointers should be >= than this value (used for debug) - #if (CPU_CM3_LM3S1968 || CPU_CM3_LM3S8962 || CPU_CM3_STM32F103RB || CPU_CM3_SAM3) + #if (CPU_CM3_LM3S1968 || CPU_CM3_LM3S8962 || CPU_CM3_STM32 || CPU_CM3_SAM3) #define CPU_RAM_START 0x20000000 #else #warning Fix CPU_RAM_START address for your Cortex-M3, default value set to 0x20000000 #define CPU_RAM_START 0x20000000 #endif - #if defined(__ARMEB__) - #define CPU_BYTE_ORDER CPU_BIG_ENDIAN - #elif defined(__ARMEL__) - #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN - #else - #error Unable to detect Cortex-M3 endianess! - #endif + #if defined( __ICCARM__) + #if ((defined __LITTLE_ENDIAN__) && (__LITTLE_ENDIAN__ == 0)) + #define CPU_BYTE_ORDER CPU_BIG_ENDIAN + #elif ((defined __LITTLE_ENDIAN__) && (__LITTLE_ENDIAN__ == 1)) + #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN + #else + #error Unable to detect Cortex-M3 endianess! + #endif + + #define NOP __no_operation() + #else + #if defined(__ARMEB__) // GCC + #define CPU_BYTE_ORDER CPU_BIG_ENDIAN + #elif defined(__ARMEL__) // GCC + #define CPU_BYTE_ORDER CPU_LITTLE_ENDIAN + #else + #error Unable to detect Cortex-M3 endianess! + #endif #define NOP asm volatile ("nop") #define PAUSE asm volatile ("wfi" ::: "memory") #define BREAKPOINT /* asm("bkpt 0") DOES NOT WORK */ + /* + * Function attribute to move it into ram memory. + */ + #define RAM_FUNC __attribute__((section(".ramfunc"))) + #endif + #elif CPU_PPC #define CPU_REG_BITS (CPU_PPC32 ? 32 : 64) @@ -210,7 +227,7 @@ #define CPU_REG_BITS 16 #define CPU_REGS_CNT FIXME #define CPU_BYTE_ORDER CPU_BIG_ENDIAN - #define CPU_HARVARD 1 + #define CPU_HARVARD 1 /* Memory is word-addessed in the DSP56K */ #define CPU_BITS_PER_CHAR 16 @@ -239,8 +256,10 @@ #define CPU_RAM_START 0x60 #elif CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA168 || CPU_AVR_ATMEGA328P #define CPU_RAM_START 0x100 - #elif CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA1280 + #elif CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA2560 #define CPU_RAM_START 0x200 + #elif CPU_AVR_XMEGA + #define CPU_RAM_START 0x2000 #else #warning Fix CPU_RAM_START address for your AVR, default value set to 0x100 #define CPU_RAM_START 0x100 @@ -254,7 +273,7 @@ #define CPU_HARVARD 0 /// Valid pointers should be >= than this value (used for debug) - #define CPU_RAM_START 0x200 + #define CPU_RAM_START 0x200 #define NOP __asm__ __volatile__ ("nop") @@ -278,7 +297,7 @@ #ifndef PAUSE /// Generic PAUSE implementation. - #define PAUSE {NOP; MEMORY_BARRIER;} + #define PAUSE do {NOP; MEMORY_BARRIER;} while (0) #endif #endif /* CPU_ATTR_H */