diff options
Diffstat (limited to 'src/devices/cpu/i386/i386.cpp')
-rw-r--r-- | src/devices/cpu/i386/i386.cpp | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/devices/cpu/i386/i386.cpp b/src/devices/cpu/i386/i386.cpp index 7a86fdc8b4c..68781154970 100644 --- a/src/devices/cpu/i386/i386.cpp +++ b/src/devices/cpu/i386/i386.cpp @@ -417,11 +417,15 @@ void i386_device::i386_load_segment_descriptor(int segment ) { if (PROTECTED_MODE) { + uint16_t old_flags = m_sreg[segment].flags; if (!V8086_MODE) { - i386_load_protected_mode_segment(&m_sreg[segment], nullptr ); - if(m_sreg[segment].selector) + i386_load_protected_mode_segment(&m_sreg[segment], nullptr); + if (m_sreg[segment].selector) + { i386_set_descriptor_accessed(m_sreg[segment].selector); + m_sreg[segment].flags |= 0x0001; + } } else { @@ -431,6 +435,8 @@ void i386_device::i386_load_segment_descriptor(int segment ) m_sreg[segment].d = 0; m_sreg[segment].valid = true; } + if (segment == CS && m_sreg[segment].flags != old_flags) + debugger_privilege_hook(); } else { @@ -438,11 +444,11 @@ void i386_device::i386_load_segment_descriptor(int segment ) m_sreg[segment].d = 0; m_sreg[segment].valid = true; - if( segment == CS ) + if (segment == CS) { - if( !m_performed_intersegment_jump ) + if (!m_performed_intersegment_jump) m_sreg[segment].base |= 0xfff00000; - if(m_cpu_version < 0x500) + if (m_cpu_version < 0x500) m_sreg[segment].flags = 0x93; } } |