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Tidy up the page fault code a bit in preparation.

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This commit is contained in:
Andreas Kling 2018-11-05 10:29:19 +01:00
parent 72cdc62155
commit e85c22fe58
4 changed files with 19 additions and 18 deletions
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22
Kernel/i386.h
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@ -126,26 +126,26 @@ enum Flags {
class PageFault {
public:
PageFault(word code, LinearAddress address)
PageFault(word code, LinearAddress laddr)
: m_code(code)
, m_address(address)
, m_laddr(laddr)
{
}
LinearAddress address() const { return m_address; }
LinearAddress laddr() const { return m_laddr; }
word code() const { return m_code; }
bool isNotPresent() const { return (m_code & 1) == PageFaultFlags::NotPresent; }
bool isProtectionViolation() const { return (m_code & 1) == PageFaultFlags::ProtectionViolation; }
bool isRead() const { return (m_code & 2) == PageFaultFlags::Read; }
bool isWrite() const { return (m_code & 2) == PageFaultFlags::Write; }
bool isUser() const { return (m_code & 4) == PageFaultFlags::UserMode; }
bool isSupervisor() const { return (m_code & 4) == PageFaultFlags::SupervisorMode; }
bool isInstructionFetch() const { return (m_code & 8) == PageFaultFlags::InstructionFetch; }
bool is_not_present() const { return (m_code & 1) == PageFaultFlags::NotPresent; }
bool is_protection_violation() const { return (m_code & 1) == PageFaultFlags::ProtectionViolation; }
bool is_read() const { return (m_code & 2) == PageFaultFlags::Read; }
bool is_write() const { return (m_code & 2) == PageFaultFlags::Write; }
bool is_user() const { return (m_code & 4) == PageFaultFlags::UserMode; }
bool is_supervisor() const { return (m_code & 4) == PageFaultFlags::SupervisorMode; }
bool is_instruction_fetch() const { return (m_code & 8) == PageFaultFlags::InstructionFetch; }
private:
word m_code;
LinearAddress m_address;
LinearAddress m_laddr;
};
struct RegisterDump {