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folkert van heusden 2024-04-05 17:56:50 +02:00
parent a6003698a6
commit cc41de0d8a
Signed by untrusted user who does not match committer: folkert
GPG key ID: 6B6455EDFEED3BD1
1 changed files with 36 additions and 11 deletions
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47
debugger.cpp
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@ -136,17 +136,30 @@ void dump_par_pdr(console *const cnsl, bus *const b, const uint16_t pdrs, const
}
}
void mmu_dump(console *const cnsl, bus *const b)
void dump_memory_contents(console *const cnsl, bus *const b, const uint16_t read_addr)
{
cnsl->put_string_lf(format("\tMOV #%06o,R0", read_addr));
cnsl->put_string_lf(format("\tMOV #%06o,(R0)", b->read(read_addr, wm_word, rm_cur, true)));
}
void dump_range_as_instructions(console *const cnsl, bus *const b, const uint16_t base)
{
for(int i=0; i<8; i++)
dump_memory_contents(cnsl, b, base + i * 2);
}
void mmu_dump(console *const cnsl, bus *const b, const bool verbose)
{
uint16_t mmr0 = b->getMMR0();
uint16_t mmr1 = b->getMMR1();
uint16_t mmr2 = b->getMMR2();
uint16_t mmr3 = b->getMMR3();
cnsl->put_string_lf(mmr0 & 1 ? "MMU enabled" : "MMU NOT enabled");
uint16_t mmr3 = b->getMMR3();
cnsl->put_string_lf(format("MMR0: %06o", mmr0));
cnsl->put_string_lf(format("MMR1: %06o", b->getMMR1()));
cnsl->put_string_lf(format("MMR2: %06o", b->getMMR2()));
cnsl->put_string_lf(format("MMR1: %06o", mmr1));
cnsl->put_string_lf(format("MMR2: %06o", mmr2));
cnsl->put_string_lf(format("MMR3: %06o", mmr3));
dump_par_pdr(cnsl, b, ADDR_PDR_SV_START, ADDR_PAR_SV_START, "supervisor i-space", 0);
@ -157,15 +170,27 @@ void mmu_dump(console *const cnsl, bus *const b)
dump_par_pdr(cnsl, b, ADDR_PDR_U_START, ADDR_PAR_U_START, "user i-space", 0);
dump_par_pdr(cnsl, b, ADDR_PDR_U_START + 020, ADDR_PAR_U_START + 020, "user d-space", 1 + (!!(mmr3 & 1)));
if (verbose) {
dump_range_as_instructions(cnsl, b, ADDR_PDR_SV_START); // sv i
dump_range_as_instructions(cnsl, b, ADDR_PDR_SV_START + 020); // sv d
dump_range_as_instructions(cnsl, b, ADDR_PDR_K_START); // k i
dump_range_as_instructions(cnsl, b, ADDR_PDR_K_START + 020); // k d
dump_range_as_instructions(cnsl, b, ADDR_PDR_U_START); // u i
dump_range_as_instructions(cnsl, b, ADDR_PDR_U_START + 020); // u d
dump_memory_contents(cnsl, b, ADDR_MMR0);
dump_memory_contents(cnsl, b, ADDR_MMR1);
dump_memory_contents(cnsl, b, ADDR_MMR2);
dump_memory_contents(cnsl, b, ADDR_MMR3);
}
}
void reg_dump(console *const cnsl, cpu *const c)
{
constexpr const char *const run_mode_name[] = { "kernel", "superv", " -", " user" };
for(uint8_t set=0; set<4; set++) {
cnsl->put_string_lf(format("%s, R0: %06o, R1: %06o, R2: %06o, R3: %06o, R4: %06o, R5: %06o",
run_mode_name[set],
for(uint8_t set=0; set<2; set++) {
cnsl->put_string_lf(format("Set %d, R0: %06o, R1: %06o, R2: %06o, R3: %06o, R4: %06o, R5: %06o",
set,
c->lowlevel_register_get(set, 0),
c->lowlevel_register_get(set, 1),
c->lowlevel_register_get(set, 2),
@ -329,7 +354,7 @@ void debugger(console *const cnsl, bus *const b, std::atomic_uint32_t *const sto
continue;
}
else if (parts[0] == "mmudump") {
mmu_dump(cnsl, b);
mmu_dump(cnsl, b, parts.size() == 2 && parts[1] == "-v");
continue;
}