www.pudn.com > temp_control.rar > retarget.c

//*---------------------------------------------------------------------------- 
//*         ATMEL Microcontroller Software Support  -  ROUSSET  - 
//*---------------------------------------------------------------------------- 
//* The software is delivered "AS IS" without warranty or condition of any 
//* kind, either express, implied or statutory. This includes without 
//* limitation any warranty or condition with respect to merchantability or 
//* fitness for any particular purpose, or against the infringements of 
//* intellectual property rights of others. 
//*---------------------------------------------------------------------------- 
//* File Name           : retarget.c 
//* Object              : ADS basic definition for no semihosting 
//* 
//* 1.1 28/06/01 JPP    : Creation 
//*---------------------------------------------------------------------------- 
 
 
//* Semihosting Flag 
//#ifndef SEMIHOSTING 
 
#include  
 
// define the heap size 
 
//       RAM: 
//                             --------------- 
//           SP -> top of RAM |   0x20x0000   | 
//                            |               | 
//           Heap base        | SP - HEAP_SIZE| 
//                             --------------- 
//                            |               | 
//           text(code)       |   0x2000000   | 
//                            |  reset + size | 
//                             --------------- 
//                            |   0x2000000   | Entry point 
//           reset(code)       --------------- 
 
#define HEAP_SIZE 	(64 *1024) 
 
//*---------------------------------------------------------------------------- 
//* Function Name       : _sys_exit 
//* Object              : Wait for error system return main. Called, eventually, 
//*						  by all exits from the library. 
//* Input Parameters    : return_code 
//* Output Parameters   : none 
//* Functions called    : none 
//*---------------------------------------------------------------------------- 
void _sys_exit(int return_code) 
{ 
  while(1); //* endless loop 
} 
 
//*---------------------------------------------------------------------------- 
//* Function Name       : _ttywrch 
//* Object              : This function writes a character to the console. The 
//*						console might have been redirected. You can use this 
//*  					function as a last resort error handling routine. 
//* Input Parameters    : ch 
//* Output Parameters   : none 
//* Functions called    : none 
//*---------------------------------------------------------------------------- 
 
void _ttywrch(int ch) 
{ 
 
} 
 
//*---------------------------------------------------------------------------- 
//* Function Name       : __user_initial_stackheap 
//* Object              : Returns the locations of the initial stack and heap. 
//* Input Parameters    : 
//* Output Parameters   :The values returned in r0 to r3 depend on whether you 
//*						are using the one or two region model: 
//*			One region (r0,r1) is the single stack and heap region. r1 is 
//*			greater than r0. r2 and r3 are ignored. 
//*			Two regions (r0, r2) is the initial heap and (r3, r1) is the initial 
//*			stack. r2 is greater than or equal to r0. r3 is less than r1. 
//* Functions called    : none 
//*---------------------------------------------------------------------------- 
 
__value_in_regs struct __initial_stackheap __user_initial_stackheap( 
        unsigned R0, unsigned SP, unsigned R2, unsigned SL) 
{ 
    struct __initial_stackheap config; 
 
    config.heap_base = SP - HEAP_SIZE; 
    config.stack_base = SP; 
 
    return config; 
} 
 
 
//#endif // SEMIHOSTING