static int handle_instruction_and_prog(struct kvm_vcpu *vcpu)
{
int rc, rc2;
vcpu->stat.exit_instr_and_program++;
rc = handle_instruction(vcpu);
rc2 = handle_prog(vcpu);
if (rc == -ENOTSUPP)
vcpu->arch.sie_block->icptcode = 0x04;
if (rc)
return rc;
return rc2;
}
int main(void)
{
static int opcode, operand, num_instruct;
int instruction = 0;
num_instruct = load_instructions();
system("cls");
do
{
dump_memory();
read_and_parse_sml(instruction, &opcode, &operand);
handle_instruction(&instruction, opcode, operand);
system("cls");
} while ((HALT != opcode) &&
(instruction < num_instruct));
if (HALT == opcode)
printf("HALTED\n");
else
printf("No more instructions\n");
system("pause");
return 0;
}
/* generate intermediate code for basic block 'tb'. */
static void gen_intermediate_code_internal(
CPUNios2State *env, TranslationBlock *tb, int search_pc)
{
DisasContext dc1, *dc = &dc1;
int num_insns;
int max_insns;
uint32_t next_page_start;
int j, lj = -1;
uint16_t *gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
/* Initialize DC */
dc->env = env;
dc->cpu_R = cpu_R;
dc->is_jmp = DISAS_NEXT;
dc->pc = tb->pc;
dc->tb = tb;
/* Dump the CPU state to the log */
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("--------------\n");
log_cpu_state(env, 0);
}
/* Set up instruction counts */
num_insns = 0;
max_insns = tb->cflags & CF_COUNT_MASK;
if (max_insns == 0) {
max_insns = CF_COUNT_MASK;
}
next_page_start = (tb->pc & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
gen_icount_start();
do {
/* Mark instruction start with associated PC */
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
if (lj < j) {
lj++;
while (lj < j) {
gen_opc_instr_start[lj++] = 0;
}
}
gen_opc_pc[lj] = dc->pc;
gen_opc_instr_start[lj] = 1;
gen_opc_icount[lj] = num_insns;
}
LOG_DIS("%8.8x:\t", dc->pc);
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) {
gen_io_start();
}
/* Decode an instruction */
handle_instruction(dc);
dc->pc += 4;
num_insns++;
/* Translation stops when a conditional branch is encountered.
* Otherwise the subsequent code could get translated several times.
* Also stop translation when a page boundary is reached. This
* ensures prefetch aborts occur at the right place. */
} while (!dc->is_jmp && gen_opc_ptr < gen_opc_end &&
!env->singlestep_enabled &&
!singlestep &&
dc->pc < next_page_start &&
num_insns < max_insns);
if (tb->cflags & CF_LAST_IO) {
gen_io_end();
}
/* Indicate where the next block should start */
switch (dc->is_jmp) {
case DISAS_NEXT:
/* Save the current PC back into the CPU register */
tcg_gen_movi_tl(cpu_R[R_PC], dc->pc);
tcg_gen_exit_tb(0);
break;
default:
case DISAS_JUMP:
case DISAS_UPDATE:
/* The jump will already have updated the PC register */
tcg_gen_exit_tb(0);
break;
case DISAS_TB_JUMP:
/* nothing more to generate */
break;
}
/* End off the block */
gen_icount_end(tb, num_insns);
*gen_opc_ptr = INDEX_op_end;
/* Mark instruction starts for the final generated instruction */
if (search_pc) {
j = gen_opc_ptr - gen_opc_buf;
lj++;
while (lj <= j) {
gen_opc_instr_start[lj++] = 0;
}
} else {
tb->size = dc->pc - tb->pc;
tb->icount = num_insns;
}
#ifdef DEBUG_DISAS
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
qemu_log("----------------\n");
qemu_log("IN: %s\n", lookup_symbol(tb->pc));
log_target_disas(tb->pc, dc->pc - tb->pc, 0);
qemu_log("\nisize=%d osize=%td\n",
dc->pc - tb->pc, gen_opc_ptr - gen_opc_buf);
}
#endif
}
int main(int argc, char **argv)
{
int ch;
int fd;
char * filename = NULL;
int interval = 1;
int i = 0;
signal(SIGUSR1, handle_usr1);
signal(SIGUSR2, handle_usr2);
(void)memset(&cpu, 0, sizeof(cpu));
while ((ch = getopt(argc, argv, "qvi:f:")) != -1) {
switch (ch) {
case 'f':
filename = optarg;
break;
case 'i':
interval = atoi(optarg);
break;
case 'v':
verbose++;
break;
case 'q':
verbose--;
break;
default:
usage(argv[0]);
}
}
if (filename == NULL) usage(argv[0]);
fd = open(filename, O_RDONLY);
if (fd < 0) {
perror("error opening file");
exit(EXIT_FAILURE);
}
/* big endian data files */
for (i = 0; i < 0x10000; i++) {
uint8_t byte;
if (read(fd, &byte, sizeof(byte)) < 0) {
break;
}
cpu.memory[i] = byte << 8;
if (read(fd, &byte, sizeof(byte)) < 0) {
break;
}
cpu.memory[i] += byte;
}
while(1) {
word value = cpu.memory[cpu.PC++];
instruction i = decode_instruction(value);
handle_instruction(i);
if (verbose) dump_registers();
sleep(interval);
while(halt) {};
}
exit(EXIT_SUCCESS);
}
equation* equation_factory::scalar_equation(std::string eq){
equation* ret = new equation();
ret->isVector = false;
ret->self = eq;
//look into shunting-yard algorithm
// '(' -> 100, ')' -> 101
std::stack<int> ops;
char k = 0;
unsigned int i = 0;
for(i=0; i<eq.size(); ++i){
k = eq[i];
switch(k){
case 'x':
case 'X':
ret->everything.push_back('V');
ret->variables.push_back('X');
break;
case 'y':
case 'Y':
ret->everything.push_back('V');
ret->variables.push_back('Y');
break;
case 'z':
case 'Z':
ret->everything.push_back('V');
ret->variables.push_back('Z');
break;
case '+':
case '-':
case '*':
case '/':
case '^':
case '(':
case ')':
case 'S':
case 's':
case 'T':
case 't':
case 'C':
case 'c':
case 'L':
case 'l':
case 'E':
case 'e':
case '~':{
int skip = handle_instruction(&ops, ret, k, eq, i);
i += skip;
break;
}
case ' '://deliberately ignore whitespaces
case '\n':
case '\t':
break;
}
if(num_part(k)){
std::string build;
while(num_part(k)){
build += k;
k = eq[++i];
}
i--; //went too far, the end condition on the loop will move formward, so we are moving this back one.
float num = (float)atof(build.c_str());
ret->everything.push_back('L');
ret->literals.push_back(num);
}
}
while(ops.size() > 0){
ret->everything.push_back('I');
ret->instructions.push_back(ops.top());
ops.pop();
}
ret->elen = ret->everything.size()-1;
ret->ilen = ret->instructions.size()-1;
ret->vlen = ret->variables.size()-1;
ret->llen = ret->literals.size()-1;
ret->evr_direct = ret->everything.data();
ret->inst_direct = ret->instructions.data();
ret->var_direct = ret->variables.data();
ret->lit_direct = ret->literals.data();
return ret;
}
