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more flags

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This commit is contained in:
Kelvin Sherlock 2013-02-15 23:47:26 -05:00
parent 989b91a465
commit ee2e2a34d4
1 changed files with 56 additions and 25 deletions
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81
bin/loader.cpp
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@ -20,6 +20,17 @@
#include <mpw/mpw.h>
#include <mplite/mplite.h>
struct {
uint32_t ram;
uint32_t stack;
uint32_t machine;
bool traceCPU;
bool traceMacsbug;
bool traceGlobals;
} Flags = { 16 * 1024 * 1024, 8 * 1024, 68030, false, false, false };
uint8_t *Memory;
uint32_t HighWater = 0x10000;
uint32_t MemorySize = 0;
@ -294,6 +305,11 @@ void InitializeMPW(int argc, char **argv)
}
// same thing for envp... but \0 instead of =
{
envpAddress = EmulatedNewPtr(4);
WriteLong(Memory, envpAddress, 0);
}
// _macpgminfo
uint32_t address = EmulatedNewPtr(8 + 0x30);
@ -416,8 +432,6 @@ void InitializeMPW(int argc, char **argv)
// 0x1c should have something, too .... :(
@ -427,6 +441,15 @@ void InitializeMPW(int argc, char **argv)
WriteLong(Memory, 0x0a02, 0x00010001);
// 0x0a06 - MinusOne
WriteLong(Memory, 0x0a06, 0xffffffff);
// todo -- expects high stack, low heap.
// the allocator currently works from the top down,
// so put stack at top of memory?
// 0x0130 -- ApplLimit
WriteLong(Memory, 0x0130, Flags.ram - 1);
}
@ -477,26 +500,29 @@ void InstructionLogger()
);
#endif
cpuDisOpcode(pc, strings[0], strings[1], strings[2], strings[3]);
// address, data, instruction, operand
fprintf(stderr, "%s %-10s %-40s ; %s\n", strings[0], strings[2], strings[3], strings[1]);
// todo -- trace registers (only print changed registers?)
#if 0
if (pc >= 0x00010E94 && pc <= 0x00010FC0)
if (Flags.traceCPU)
{
fprintf(stderr, "d7 = %08x\n", cpuGetDReg(7));
}
#endif
cpuDisOpcode(pc, strings[0], strings[1], strings[2], strings[3]);
if (opcode == 0x4E75)
// address, data, instruction, operand
fprintf(stderr, "%s %-10s %-40s ; %s\n", strings[0], strings[2], strings[3], strings[1]);
// todo -- trace registers (only print changed registers?)
#if 0
if (pc >= 0x00010E94 && pc <= 0x00010FC0)
{
fprintf(stderr, "d7 = %08x\n", cpuGetDReg(7));
}
#endif
}
if (opcode == 0x4E75 || opcode == 0x4ED0) // RTS or JMP (A0)
{
// check for MacsBug name after rts.
std::string s;
unsigned b = memoryReadByte(pc + 2);
if (b > 0x80)
if (b > 0x80 && b < 0xa0)
{
b -= 0x80;
pc += 3;
@ -562,13 +588,6 @@ bool parse_number(const char *input, uint32_t *dest)
return true;
}
struct {
uint32_t ram;
uint32_t stack;
uint32_t machine;
bool traceCPU;
} Flags = { 16 * 1024 * 1024, 8 * 1024, 68030, false };
int main(int argc, char **argv)
{
@ -577,6 +596,8 @@ int main(int argc, char **argv)
enum
{
kTraceCPU = 1,
kTraceMacsBug,
kTraceGlobals,
};
static struct option LongOpts[] =
{
@ -584,6 +605,8 @@ int main(int argc, char **argv)
{ "stack", required_argument, NULL, 's' },
{ "machine", required_argument, NULL, 'm' },
{ "trace-cpu", no_argument, NULL, kTraceCPU },
{ "trace-macsbug", no_argument, NULL, kTraceMacsBug },
{ "trace-globals", no_argument, NULL, kTraceGlobals },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{ NULL, 0, NULL, 0 }
@ -598,6 +621,14 @@ int main(int argc, char **argv)
Flags.traceCPU = true;
break;
case kTraceMacsBug:
Flags.traceMacsbug = true;
break;
case kTraceGlobals:
Flags.traceGlobals = true;
break;
case 'm':
if (!parse_number(optarg, &Flags.machine))
exit(EX_CONFIG);
@ -682,12 +713,12 @@ int main(int argc, char **argv)
/// ahhh... need to set PC after memory.
// for pre-fetch.
memorySetMemory(Memory, MemorySize);
memorySetGlobalLog(0x10000);
if (Flags.traceGlobals) memorySetGlobalLog(0x3000);
cpuInitializeFromNewPC(address);
MM::Init(Memory, MemorySize, HighWater);
if (Flags.traceCPU)
if (Flags.traceCPU || Flags.traceMacsbug)
{
cpuSetInstructionLoggingFunc(InstructionLogger);
}