Rename TrapInformation

framework/jinux-frame/src/arch/x86/cpu.rs

@@ -93,15 +93,15 @@ impl CpuSet {
 pub struct UserContext {
     user_context: RawUserContext,
     fp_regs: FpRegs,
-    trap_information: TrapInformation,
+    cpu_exception_info: CpuExceptionInfo,
 }
 
 #[derive(Clone, Default, Copy, Debug)]
 #[repr(C)]
-pub struct TrapInformation {
+pub struct CpuExceptionInfo {
-    pub cr2: usize,
     pub id: usize,
-    pub err: usize,
+    pub error_code: usize,
+    pub page_fault_addr: usize,
 }
 
 #[cfg(feature = "intel_tdx")]
@@ -159,8 +159,8 @@ impl UserContext {
         &mut self.user_context.general
     }
 
-    pub fn trap_information(&self) -> &TrapInformation {
+    pub fn trap_information(&self) -> &CpuExceptionInfo {
-        &self.trap_information
+        &self.cpu_exception_info
     }
 
     pub fn fp_regs(&self) -> &FpRegs {
@@ -209,10 +209,10 @@ impl UserContextApiInternal for UserContext {
 
         crate::arch::irq::enable_local();
         if self.user_context.trap_num as u16 != SYSCALL_TRAPNUM {
-            self.trap_information = TrapInformation {
+            self.cpu_exception_info = CpuExceptionInfo {
-                cr2: unsafe { x86::controlregs::cr2() },
+                page_fault_addr: unsafe { x86::controlregs::cr2() },
                 id: self.user_context.trap_num,
-                err: self.user_context.error_code,
+                error_code: self.user_context.error_code,
             };
             UserEvent::Exception
         } else {

services/libs/jinux-std/src/process/signal/signals/fault.rs

@@ -1,4 +1,4 @@
-use jinux_frame::cpu::{CpuException, TrapInformation};
+use jinux_frame::cpu::{CpuException, CpuExceptionInfo};
 use jinux_frame::cpu::{
     ALIGNMENT_CHECK, BOUND_RANGE_EXCEEDED, DIVIDE_BY_ZERO, GENERAL_PROTECTION_FAULT,
     INVALID_OPCODE, PAGE_FAULT, SIMD_FLOATING_POINT_EXCEPTION, X87_FLOATING_POINT_EXCEPTION,
@@ -18,7 +18,7 @@ pub struct FaultSignal {
 }
 
 impl FaultSignal {
-    pub fn new(trap_info: &TrapInformation) -> FaultSignal {
+    pub fn new(trap_info: &CpuExceptionInfo) -> FaultSignal {
         debug!("Trap id: {}", trap_info.id);
         let exception = CpuException::to_cpu_exception(trap_info.id as u16).unwrap();
         let (num, code, addr) = match *exception {
@@ -32,12 +32,12 @@ impl FaultSignal {
             GENERAL_PROTECTION_FAULT => (SIGBUS, BUS_ADRERR, None),
             PAGE_FAULT => {
                 const PF_ERR_FLAG_PRESENT: usize = 1usize << 0;
-                let code = if trap_info.err & PF_ERR_FLAG_PRESENT != 0 {
+                let code = if trap_info.error_code & PF_ERR_FLAG_PRESENT != 0 {
                     SEGV_ACCERR
                 } else {
                     SEGV_MAPERR
                 };
-                let addr = Some(trap_info.cr2 as u64);
+                let addr = Some(trap_info.page_fault_addr as u64);
                 (SIGSEGV, code, addr)
             }
             _ => panic!("Exception cannnot be a signal"),

services/libs/jinux-std/src/thread/exception.rs

@@ -20,17 +20,17 @@ pub fn handle_exception(context: &UserContext) {
     }
 }
 
-fn handle_page_fault(trap_info: &TrapInformation) {
+fn handle_page_fault(trap_info: &CpuExceptionInfo) {
     const PAGE_NOT_PRESENT_ERROR_MASK: usize = 0x1 << 0;
     const WRITE_ACCESS_MASK: usize = 0x1 << 1;
-    let page_fault_addr = trap_info.cr2 as Vaddr;
+    let page_fault_addr = trap_info.page_fault_addr as Vaddr;
     trace!(
         "page fault error code: 0x{:x}, Page fault address: 0x{:x}",
-        trap_info.err,
+        trap_info.error_code,
         page_fault_addr
     );
-    let not_present = trap_info.err & PAGE_NOT_PRESENT_ERROR_MASK == 0;
+    let not_present = trap_info.error_code & PAGE_NOT_PRESENT_ERROR_MASK == 0;
-    let write = trap_info.err & WRITE_ACCESS_MASK != 0;
+    let write = trap_info.error_code & WRITE_ACCESS_MASK != 0;
     if not_present || write {
         // If page is not present or due to write access, we should ask the vmar try to commit this page
         let current = current!();
@@ -54,7 +54,7 @@ fn handle_page_fault(trap_info: &TrapInformation) {
 }
 
 /// generate a fault signal for current process.
-fn generate_fault_signal(trap_info: &TrapInformation) {
+fn generate_fault_signal(trap_info: &CpuExceptionInfo) {
     let current = current!();
     let signal = Box::new(FaultSignal::new(trap_info));
     current.enqueue_signal(signal);
@@ -65,12 +65,12 @@ macro_rules! log_trap_common {
         trace!(
             "[Trap][{}][err = {}]",
             stringify!($exception_name),
-            $trap_info.err
+            $trap_info.error_code
         )
     };
 }
 
-fn log_trap_info(exception: &CpuException, trap_info: &TrapInformation) {
+fn log_trap_info(exception: &CpuException, trap_info: &CpuExceptionInfo) {
     match *exception {
         DIVIDE_BY_ZERO => log_trap_common!(DIVIDE_BY_ZERO, trap_info),
         DEBUG => log_trap_common!(DEBUG, trap_info),
@@ -90,8 +90,8 @@ fn log_trap_info(exception: &CpuException, trap_info: &TrapInformation) {
             trace!(
                 "[Trap][{}][page fault addr = 0x{:x}, err = {}]",
                 stringify!(PAGE_FAULT),
-                trap_info.cr2,
+                trap_info.page_fault_addr,
-                trap_info.err
+                trap_info.error_code
             );
         }
         // 15 reserved
@@ -109,7 +109,7 @@ fn log_trap_info(exception: &CpuException, trap_info: &TrapInformation) {
         _ => {
             info!(
                 "[Trap][Unknown trap type][id = {}, err = {}]",
-                trap_info.id, trap_info.err
+                trap_info.id, trap_info.error_code
             );
         }
     }