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Moving disasm to new tables.

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Also adding useful CPU docs.
This commit is contained in:
Ben Vanik
2015-12-28 20:49:22 -08:00
parent cd938be678
commit cc72de0f64
25 changed files with 10502 additions and 3252 deletions
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25
src/xenia/cpu/ppc/ppc_scanner.cc
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@@ -15,8 +15,8 @@
#include "xenia/base/logging.h"
#include "xenia/base/memory.h"
#include "xenia/base/profiling.h"
#include "xenia/cpu/ppc/ppc_decode_data.h"
#include "xenia/cpu/ppc/ppc_frontend.h"
#include "xenia/cpu/ppc/ppc_instr.h"
#include "xenia/cpu/ppc/ppc_opcode_info.h"
#include "xenia/cpu/processor.h"
@@ -79,9 +79,9 @@ bool PPCScanner::Scan(GuestFunction* function, DebugInfo* debug_info) {
auto opcode = LookupOpcode(code);
InstrData i;
i.address = address;
i.code = code;
PPCDecodeData d;
d.address = address;
d.code = code;
// TODO(benvanik): switch on instruction metadata.
++address_reference_count;
@@ -91,7 +91,7 @@ bool PPCScanner::Scan(GuestFunction* function, DebugInfo* debug_info) {
// of whether or not this is a normal function with a prolog/epilog.
// Some valid leaf functions won't have this, but most will.
if (address == start_address && opcode == PPCOpcode::mfspr &&
(((i.XFX.spr & 0x1F) << 5) | ((i.XFX.spr >> 5) & 0x1F)) == 8) {
(((d.XFX.SPR() & 0x1F) << 5) | ((d.XFX.SPR() >> 5) & 0x1F)) == 8) {
starts_with_mfspr_lr = true;
}
@@ -135,10 +135,8 @@ bool PPCScanner::Scan(GuestFunction* function, DebugInfo* debug_info) {
ends_block = true;
} else if (opcode == PPCOpcode::bx) {
// b/ba/bl/bla
uint32_t target =
(uint32_t)XEEXTS26(i.I.LI << 2) + (i.I.AA ? 0 : (int32_t)address);
if (i.I.LK) {
uint32_t target = d.I.ADDR();
if (d.I.LK()) {
LOGPPC("bl %.8X -> %.8X", address, target);
// Queue call target if needed.
// GetOrInsertFunction(target);
@@ -213,9 +211,8 @@ bool PPCScanner::Scan(GuestFunction* function, DebugInfo* debug_info) {
ends_block = true;
} else if (opcode == PPCOpcode::bcx) {
// bc/bca/bcl/bcla
uint32_t target =
(uint32_t)XEEXTS16(i.B.BD << 2) + (i.B.AA ? 0 : (int32_t)address);
if (i.B.LK) {
uint32_t target = d.B.ADDR();
if (d.B.LK()) {
LOGPPC("bcl %.8X -> %.8X", address, target);
// Queue call target if needed.
@@ -234,7 +231,7 @@ bool PPCScanner::Scan(GuestFunction* function, DebugInfo* debug_info) {
ends_block = true;
} else if (opcode == PPCOpcode::bclrx) {
// bclr/bclrl
if (i.XL.LK) {
if (d.XL.LK()) {
LOGPPC("bclrl %.8X", address);
} else {
LOGPPC("bclr %.8X", address);
@@ -242,7 +239,7 @@ bool PPCScanner::Scan(GuestFunction* function, DebugInfo* debug_info) {
ends_block = true;
} else if (opcode == PPCOpcode::bcctrx) {
// bcctr/bcctrl
if (i.XL.LK) {
if (d.XL.LK()) {
LOGPPC("bcctrl %.8X", address);
} else {
LOGPPC("bcctr %.8X", address);