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* Makefile.in: Add Timer A support.

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* cpu.h (m32c_opcode_pc): New.
(in_gdb): New.
* gdb-if.c (sim_open): Add Timer A support.  Support unbuffered
console.
* int.c (trigger_interrupt): Manage the U flag properly.
(trigger_based_interrupt): Likewise.
(trigger_fixed_interrupt): New.
(trigger_peripheral_interrupt): New.
* int.h (trigger_peripheral_interrupt): New.
* m32c.opc: Use m32c_opcode_pc throughout, as needed.
(decode_m32c): Detect jump-to-zero with traceback.
(BRK): Try to do the right thing, keeping track of whether we're
in gdb or not, and if the user has provided a handler or not.
(GBRK): Alternate break opcode for gdb, in case the user's app
needs to use BRK for itself.
(BRK2): Implement.
* main.c: Add Timer A support.  Support TCP-based console.
(setup_tcp_console): New.
(main): Add Timer A support.  Support TCP-based console.
* mem.c: Add Timer A support.  Support TCP-based console.
(mem_ptr): Enhance NULL pointer detection.
(stdin_ready): New.
(m32c_sim_restore_console): New.
(mem_get_byte): Check for console input ready.
(update_timer_a): New.
* r8c.opc (SSTR): Use r0l, not r0h.
(REIT): Fix return frame logic.
* reg.c (print_flags): New.
(trace_register_changes): Use it.
(m32c_dump_all_registers): New.
* timer_a.h: New.

* load.c: Fix indentation.
* trace.c: Fix indentation.
* trace.h: Fix indentation.
This commit is contained in:
DJ Delorie
2008-06-06 19:18:15 +00:00
parent ebfe2e3fb6
commit 3877a1459b
18 changed files with 519 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
sim/m32c/reg.c
View File

@@ -28,6 +28,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */
int verbose = 0;
int trace = 0;
int enable_counting = 0;
int in_gdb = 1;
regs_type regs;
int addr_mask = 0xffff;
@@ -75,6 +76,8 @@ int b2minsigned[] = { 0, -128, -32768, -8388608, -2147483647 - 1 };
static regs_type oldregs;
int m32c_opcode_pc;
void
init_regs (void)
{
@@ -581,6 +584,17 @@ put_reg_ll (reg_id id, DI v)
}
}
static void
print_flags (int f)
{
int i;
static char fn[] = "CDZSBOIU";
printf ("%d.", (f >> 12) & 7);
for (i = 7; i >= 0; i--)
if (f & (1 << i))
putchar (fn[i]);
}
#define TRC(f,n, id) \
if (oldregs.f != regs.f) \
{ \
@@ -617,6 +631,49 @@ trace_register_changes ()
TRC (r_usp, "usp", usp);
TRC (r_isp, "isp", isp);
TRC (r_pc, "pc", pc);
TRC (r_flags, "flags", flags);
if (oldregs.r_flags != regs.r_flags)
{
printf (" flags ");
print_flags (oldregs.r_flags);
printf (":");
print_flags (regs.r_flags);
}
printf ("\033[0m\n");
}
#define DRC(f, n, id) \
printf(" %-3s %0*x", n, \
reg_bytes[id]*2, (unsigned int)regs.f); \
void
m32c_dump_all_registers ()
{
printf ("\033[36mREGS:");
DRC (r[0].r_r0, "r0", r0);
DRC (r[0].r_r1, "r1", r1);
DRC (r[0].r_r2, "r2", r2);
DRC (r[0].r_r3, "r3", r3);
DRC (r[0].r_a0, "a0", a0);
DRC (r[0].r_a1, "a1", a1);
DRC (r[0].r_sb, "sb", sb);
DRC (r[0].r_fb, "fb", fb);
printf ("\n ");
DRC (r[1].r_r0, "r0'", r0);
DRC (r[1].r_r1, "r1'", r1);
DRC (r[1].r_r2, "r2'", r2);
DRC (r[1].r_r3, "r3'", r3);
DRC (r[1].r_a0, "a0'", a0);
DRC (r[1].r_a1, "a1'", a1);
DRC (r[1].r_sb, "sb'", sb);
DRC (r[1].r_fb, "fb'", fb);
printf (" \n");
DRC (r_intbh, "intbh", intbh);
DRC (r_intbl, "intbl", intbl);
DRC (r_usp, "usp", usp);
DRC (r_isp, "isp", isp);
DRC (r_pc, "pc", pc);
printf (" flags ");
print_flags (regs.r_flags);
printf ("\033[0m\n");
/*sim_disasm_one (); */
}