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Bus error stack frame : 68010 / 68020 / 68030 stack frames formats support added.

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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
This commit is contained in:
Jean-François DEL NERO 2017-11-01 00:34:48 +01:00
parent f616c734b9
commit 2a262acb7b
1 changed files with 18 additions and 2 deletions
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20
src/devices/cpu/m68000/m68kcpu.h
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@ -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);