diff options
Diffstat (limited to 'src/devices/cpu/arm7/arm7.cpp')
-rw-r--r-- | src/devices/cpu/arm7/arm7.cpp | 38 |
1 files changed, 20 insertions, 18 deletions
diff --git a/src/devices/cpu/arm7/arm7.cpp b/src/devices/cpu/arm7/arm7.cpp index 19530ed9e66..7a3a7ba30db 100644 --- a/src/devices/cpu/arm7/arm7.cpp +++ b/src/devices/cpu/arm7/arm7.cpp @@ -148,16 +148,14 @@ arm920t_cpu_device::arm920t_cpu_device(const machine_config &mconfig, const char } - - -arm946es_cpu_device::arm946es_cpu_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) - : arm9_cpu_device(mconfig, type, tag, owner, clock, 5, ARCHFLAG_T | ARCHFLAG_E, ENDIANNESS_LITTLE), +arm946es_cpu_device::arm946es_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : arm9_cpu_device(mconfig, ARM946ES, tag, owner, clock, 5, ARCHFLAG_T | ARCHFLAG_E, ENDIANNESS_LITTLE), cp15_control(0x78) { m_copro_id = ARM9_COPRO_ID_MFR_ARM - | ARM9_COPRO_ID_ARCH_V5TE - | ARM9_COPRO_ID_PART_ARM946 - | ARM9_COPRO_ID_STEP_ARM946_A0; + | ARM9_COPRO_ID_ARCH_V5TE + | ARM9_COPRO_ID_PART_ARM946 + | ARM9_COPRO_ID_STEP_ARM946_A0; memset(ITCM, 0, 0x8000); memset(DTCM, 0, 0x4000); @@ -171,17 +169,6 @@ arm946es_cpu_device::arm946es_cpu_device(const machine_config &mconfig, device_t cp15_itcm_reg = cp15_dtcm_reg = 0; } -arm946es_cpu_device::arm946es_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : arm946es_cpu_device(mconfig, ARM946ES, tag, owner, clock) -{ -} - -// unknown configuration, but uses MPU not MMU, so closer to ARM946ES -igs036_cpu_device::igs036_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) - : arm946es_cpu_device(mconfig, IGS036, tag, owner, clock) -{ -} - pxa255_cpu_device::pxa255_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : arm7_cpu_device(mconfig, PXA255, tag, owner, clock, 5, ARCHFLAG_T | ARCHFLAG_E | ARCHFLAG_XSCALE, ENDIANNESS_LITTLE) { @@ -202,6 +189,13 @@ sa1110_cpu_device::sa1110_cpu_device(const machine_config &mconfig, const char * | ARM9_COPRO_ID_STEP_SA1110_A0; } +// unknown configuration +igs036_cpu_device::igs036_cpu_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : arm9_cpu_device(mconfig, IGS036, tag, owner, clock, 5, ARCHFLAG_T | ARCHFLAG_E, ENDIANNESS_LITTLE) +{ +} + + device_memory_interface::space_config_vector arm7_cpu_device::memory_space_config() const { return space_config_vector { @@ -1465,6 +1459,14 @@ uint8_t arm946es_cpu_device::arm7_cpu_read8(uint32_t addr) return m_program->read_byte(addr); } +WRITE32_MEMBER(igs036_cpu_device::arm7_rt_w_callback) +{ + arm7_cpu_device::arm7_rt_w_callback(space, offset, data, mem_mask); + /* disable the MMU for now, it doesn't seem to set up valid mappings + so could be entirely different here */ + COPRO_CTRL &= ~COPRO_CTRL_MMU_EN; +} + void arm7_cpu_device::arm7_dt_r_callback(uint32_t insn, uint32_t *prn) { uint8_t cpn = (insn >> 8) & 0xF; |