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//! Render Exception Info
const serial = @import("../../drivers/serial/serial.zig");
const types = @import("../types/types.zig");
const classify = @import("../classify/classify.zig");
const Exception = types.Exception;
const PageFaultError = classify.PageFaultError;
pub fn render(exception: *const Exception) void {
serial.printf("Exception: %s (%s)\n", .{
exception.exception_type.name(),
classify.get_vector_name(exception.vector),
});
serial.printf(" Vector: %d\n", .{exception.vector});
serial.printf(" Code: %x\n", .{exception.code});
serial.printf(" Subcode: %x\n", .{exception.subcode});
if (exception.address != 0) {
serial.printf(" Fault Address: %x\n", .{exception.address});
}
if (exception.vector == 14) {
render_page_fault_details(exception.code);
}
serial.printf(" Location: %s mode\n", .{
if (exception.context.is_kernel_mode()) "kernel" else "user",
});
if (exception.kata_id != 0) {
serial.printf(" Kata: %d, Thread: %d\n", .{ exception.kata_id, exception.thread_id });
}
serial.printf("\n", .{});
}
fn render_page_fault_details(error_code: u64) void {
const pf_error = PageFaultError.from_error_code(error_code);
serial.printf(" Access: %s\n", .{pf_error.description()});
if (pf_error.user) {
serial.printf(" Mode: User\n", .{});
} else {
serial.printf(" Mode: Kernel\n", .{});
}
}
pub fn render_faulting_instruction(rip: u64) void {
serial.printf("Faulting Instruction:\n", .{});
serial.printf(" Address: %x\n", .{rip});
const code_ptr: [*]const u8 = @ptrFromInt(rip);
serial.printf(" Bytes: ", .{});
for (0..8) |i| {
serial.printf("%x ", .{code_ptr[i]});
}
serial.printf("\n\n", .{});
}
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