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Kernel/aarch64: Dump ESR_EL1 in dump_registers and remove backtracing

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This commit is contained in:
Timon Kruiper 2023-01-30 12:18:52 +01:00 committed by Linus Groh
parent 3295137224
commit cf5b02e3a4
1 changed files with 13 additions and 19 deletions
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32
Kernel/Arch/aarch64/Interrupts.cpp
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@ -18,6 +18,17 @@
namespace Kernel {
static void dump_exception_syndrome_register(Aarch64::ESR_EL1 const& esr_el1)
{
dbgln("esr_el1: EC({:#b}) IL({:#b}) ISS({:#b}) ISS2({:#b})", esr_el1.EC, esr_el1.IL, esr_el1.ISS, esr_el1.ISS2);
dbgln("Exception Class: {}", Aarch64::exception_class_to_string(esr_el1.EC));
if (Aarch64::exception_class_has_set_far(esr_el1.EC))
dbgln("Faulting Virtual Address: 0x{:x}", Aarch64::FAR_EL1::read().virtual_address);
if (Aarch64::exception_class_is_data_abort(esr_el1.EC))
dbgln("Data Fault Status Code: {}", Aarch64::data_fault_status_code_to_string(esr_el1.ISS));
}
void dump_registers(RegisterState const& regs)
{
dbgln(" x0={:p} x1={:p} x2={:p} x3={:p} x4={:p}", regs.x[0], regs.x[1], regs.x[2], regs.x[3], regs.x[4]);
@ -37,23 +48,8 @@ void dump_registers(RegisterState const& regs)
dbgln("tpidr_el0: 0x{:x}", regs.tpidr_el0);
dbgln("sp_el0: 0x{:x}", regs.sp_el0);
constexpr bool print_backtrace = true;
if constexpr (print_backtrace) {
auto const* symbol = symbolicate_kernel_address(regs.elr_el1);
dbgln("{:p} {} +{}", regs.elr_el1, (symbol ? symbol->name : "(k?)"), (symbol ? regs.elr_el1 - symbol->address : 0));
dump_backtrace_from_base_pointer(regs.x[29]);
}
}
static void dump_exception_syndrome_register(Aarch64::ESR_EL1 const& esr_el1)
{
dbgln("esr_el1: EC({:#b}) IL({:#b}) ISS({:#b}) ISS2({:#b})", esr_el1.EC, esr_el1.IL, esr_el1.ISS, esr_el1.ISS2);
dbgln("Exception Class: {}", Aarch64::exception_class_to_string(esr_el1.EC));
if (Aarch64::exception_class_has_set_far(esr_el1.EC))
dbgln("Faulting Virtual Address: 0x{:x}", Aarch64::FAR_EL1::read().virtual_address);
if (Aarch64::exception_class_is_data_abort(esr_el1.EC))
dbgln("Data Fault Status Code: {}", Aarch64::data_fault_status_code_to_string(esr_el1.ISS));
auto esr_el1 = Kernel::Aarch64::ESR_EL1::read();
dump_exception_syndrome_register(esr_el1);
}
static PageFault page_fault_from_exception_syndrome_register(VirtualAddress fault_address, Aarch64::ESR_EL1 esr_el1)
@ -92,7 +88,6 @@ extern "C" void exception_common(Kernel::TrapFrame* trap_frame)
if constexpr (print_state) {
dbgln("Exception Generated by processor!");
dump_registers(*trap_frame->regs);
dump_exception_syndrome_register(esr_el1);
}
if (Aarch64::exception_class_is_data_abort(esr_el1.EC) || Aarch64::exception_class_is_instruction_abort(esr_el1.EC)) {
@ -100,7 +95,6 @@ extern "C" void exception_common(Kernel::TrapFrame* trap_frame)
page_fault.handle(*trap_frame->regs);
} else {
dump_registers(*trap_frame->regs);
dump_exception_syndrome_register(esr_el1);
PANIC("Unexpected exception!");
}