diff options
author | 2017-11-01 00:34:48 +0100 | |
---|---|---|
committer | 2017-11-01 00:34:48 +0100 | |
commit | 2a262acb7b731a94f3ff42aa3de61ef18dca1662 (patch) | |
tree | af4504e67b67066c76b4f1b0b24de48a634b08fe | |
parent | f616c734b946ce3e583806e196a208ec20d21bb3 (diff) |
Bus error stack frame : 68010 / 68020 / 68030 stack frames formats support added.
This make work this very common CPU type detection routine based on the bus error frame stack size :
http://www.easy68k.com/EASy68Kforum/viewtopic.php?p=1105#p1105
-rw-r--r-- | src/devices/cpu/m68000/m68kcpu.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/src/devices/cpu/m68000/m68kcpu.h b/src/devices/cpu/m68000/m68kcpu.h index df2a754a13f..dce0c2205a8 100644 --- a/src/devices/cpu/m68000/m68kcpu.h +++ b/src/devices/cpu/m68000/m68kcpu.h @@ -1672,8 +1672,24 @@ static inline void m68ki_exception_address_error(m68000_base_device *m68k) } m68k->run_mode = RUN_MODE_BERR_AERR_RESET; - /* Note: This is implemented for 68000 only! */ - m68ki_stack_frame_buserr(m68k, sr); + if (!CPU_TYPE_IS_010_PLUS(m68k->cpu_type)) + { + /* Note: This is implemented for 68000 only! */ + m68ki_stack_frame_buserr(m68k, sr); + } + else if (CPU_TYPE_IS_010(m68k->cpu_type)) + { + /* only the 68010 throws this unique type-1000 frame */ + m68ki_stack_frame_1000(m68k, REG_PPC(m68k), sr, EXCEPTION_BUS_ERROR); + } + else if (m68k->mmu_tmp_buserror_address == REG_PPC(m68k)) + { + m68ki_stack_frame_1010(m68k, sr, EXCEPTION_BUS_ERROR, REG_PPC(m68k), m68k->mmu_tmp_buserror_address); + } + else + { + m68ki_stack_frame_1011(m68k, sr, EXCEPTION_BUS_ERROR, REG_PPC(m68k), m68k->mmu_tmp_buserror_address); + } m68ki_jump_vector(m68k, EXCEPTION_ADDRESS_ERROR); |