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Merge pull request #1122 from polaris-/gdbstub

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gdbstub implementation
This commit is contained in:
bunnei 2015-11-11 23:21:31 -05:00
commit 43bb29edc5
18 changed files with 1190 additions and 9 deletions
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35
src/core/arm/skyeye_common/armstate.cpp
View file

@ -7,6 +7,7 @@
#include "core/memory.h"
#include "core/arm/skyeye_common/armstate.h"
#include "core/arm/skyeye_common/vfp/vfp.h"
#include "core/gdbstub/gdbstub.h"
ARMul_State::ARMul_State(PrivilegeMode initial_mode)
{
@ -185,8 +186,25 @@ void ARMul_State::ResetMPCoreCP15Registers()
CP15[CP15_TLB_DEBUG_CONTROL] = 0x00000000;
}
static void CheckMemoryBreakpoint(u32 address, GDBStub::BreakpointType type)
{
if (GDBStub::g_server_enabled && GDBStub::CheckBreakpoint(address, type)) {
LOG_DEBUG(Debug, "Found memory breakpoint @ %08x", address);
GDBStub::Break(true);
}
}
u8 ARMul_State::ReadMemory8(u32 address) const
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Read);
return Memory::Read8(address);
}
u16 ARMul_State::ReadMemory16(u32 address) const
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Read);
u16 data = Memory::Read16(address);
if (InBigEndianMode())
@ -197,6 +215,8 @@ u16 ARMul_State::ReadMemory16(u32 address) const
u32 ARMul_State::ReadMemory32(u32 address) const
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Read);
u32 data = Memory::Read32(address);
if (InBigEndianMode())
@ -207,6 +227,8 @@ u32 ARMul_State::ReadMemory32(u32 address) const
u64 ARMul_State::ReadMemory64(u32 address) const
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Read);
u64 data = Memory::Read64(address);
if (InBigEndianMode())
@ -215,8 +237,17 @@ u64 ARMul_State::ReadMemory64(u32 address) const
return data;
}
void ARMul_State::WriteMemory8(u32 address, u8 data)
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Write);
Memory::Write8(address, data);
}
void ARMul_State::WriteMemory16(u32 address, u16 data)
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Write);
if (InBigEndianMode())
data = Common::swap16(data);
@ -225,6 +256,8 @@ void ARMul_State::WriteMemory16(u32 address, u16 data)
void ARMul_State::WriteMemory32(u32 address, u32 data)
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Write);
if (InBigEndianMode())
data = Common::swap32(data);
@ -233,6 +266,8 @@ void ARMul_State::WriteMemory32(u32 address, u32 data)
void ARMul_State::WriteMemory64(u32 address, u64 data)
{
CheckMemoryBreakpoint(address, GDBStub::BreakpointType::Write);
if (InBigEndianMode())
data = Common::swap64(data);

2
src/core/arm/skyeye_common/armstate.h
View file

@ -153,9 +153,11 @@ public:
// Reads/writes data in big/little endian format based on the
// state of the E (endian) bit in the APSR.
u8 ReadMemory8(u32 address) const;
u16 ReadMemory16(u32 address) const;
u32 ReadMemory32(u32 address) const;
u64 ReadMemory64(u32 address) const;
void WriteMemory8(u32 address, u8 data);
void WriteMemory16(u32 address, u16 data);
void WriteMemory32(u32 address, u32 data);
void WriteMemory64(u32 address, u64 data);