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#include <stdio.h>
#include <string.h>
#include <libmcpu.h>
#include "../utils/mcpu-asm.h"
#define CHECK(c,m) do{if(!(c)){fprintf(stderr,"FAIL: %s\n",m);return 1;}}while(0)
static const char src[]=
".init\n"
"_start:\n"
" LDI r64@0x00000, 40\n"
" END\n"
".text\n"
"_life:\n"
" IINC r64@0x00000, r64@0x00000\n"
" END\n"
" IINC r64@0x00000, r64@0x00000\n"
" LDI r32@0x00020, 7\n"
" EXIT r32@0x00020\n"
".fini\n"
"_fini:\n"
" LDI r64@0x00008, 99\n"
" END\n";
static __mpu_uint64_t
get64( unsigned a )
{
return( __cpu_data_get_u64( __cpu_reg_ptr( 64, a ) ) );
}
int
main( void )
{
cpu_asm_image im;
char err[256];
int rc;
__cpu_init();
CHECK( cpu_assemble_text( src, &im, err, sizeof( err ) ) == 0, err );
CHECK( im.has_init && im.has_life && im.has_fini, "three lifecycle entries present" );
CHECK( im.init_entry < im.life_entry && im.life_entry < im.fini_entry, "entry order in PROGRAM" );
CHECK( __cpu_program_set( im.code, im.code_size ) == 0, "program set" );
CHECK( __cpu_data_set( im.data, im.data_size ) == 0, "data set" );
CHECK( __cpu_stack_alloc( 256 ) == 0, "stack alloc" );
__cpu_pc = im.init_entry;
rc = __cpu_run();
CHECK( rc == CPU_EXEC_END, ".init END returned" );
CHECK( __cpu_get_stop_reason() == CPU_STOP_END, "INIT stop reason END" );
CHECK( get64( 0 ) == 40, "init result" );
__cpu_pc = im.life_entry;
rc = __cpu_run();
CHECK( rc == CPU_EXEC_END, "first LIFE END returned" );
CHECK( get64( 0 ) == 41, "first life step" );
rc = __cpu_run();
CHECK( rc == CPU_EXEC_EXIT, "resume reaches EXIT" );
CHECK( __cpu_get_stop_reason() == CPU_STOP_EXIT, "EXIT stop reason" );
CHECK( __cpu_get_exit_status() == 7, "EXIT status" );
CHECK( get64( 0 ) == 42, "resume PC is after END" );
__cpu_pc = im.fini_entry;
rc = __cpu_run();
CHECK( rc == CPU_EXEC_END, ".fini END returned" );
CHECK( get64( 8 ) == 99, "fini result" );
cpu_asm_image_free( &im );
__cpu_free_context();
puts( "libcpu lifecycle ABI regression: PASS" );
return( 0 );
}
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