lunaix-os/arch/aarch64/trace.c

   1 #include <lunaix/trace.h>
   2 #include <asm/aa64_exception.h>
   3 #include <sys-generic/trace_arch.h>
   4
   5 static inline char*
   6 __type_name(reg_t syndrome)
   7 {
   8     switch (BITS_GET(syndrome, SYNDROME_ETYPE))
   9     {
  10         case EXCEPTION_SYNC:
  11             return "sync";
  12         case EXCEPTION_IRQ:
  13             return "async (irq)";
  14         case EXCEPTION_FIQ:
  15             return "async (fiq)";
  16         case EXCEPTION_SERR:
  17             return "async (serr)";
  18     }
  19
  20     return "unknwon";
  21 }
  22
  23 void
  24 trace_print_transistion_short(struct hart_state* hstate)
  25 {
  26     struct exec_param* execp;
  27     reg_t syndrome;
  28
  29     execp = &hstate->execp;
  30     syndrome = execp->syndrome;
  31
  32     trace_log("%s from EL%d: ec=%04x, iss=%08lx, il=%d",
  33                 __type_name(syndrome), !spsr_from_el0(execp->syndrome),
  34                 esr_ec(syndrome), esr_iss(syndrome), esr_inst32(syndrome));
  35 }
  36
  37 void
  38 trace_print_transition_full(struct hart_state* hstate)
  39 {
  40     struct exec_param* execp;
  41     reg_t syndrome;
  42
  43     execp = &hstate->execp;
  44     syndrome = execp->syndrome;
  45
  46     trace_log("exception %s from EL%d",
  47                 __type_name(syndrome), !spsr_from_el0(execp->syndrome));
  48     trace_log("  ec=0x%08lx, iss=0x%08lx, il=%d",
  49                 esr_ec(syndrome), esr_iss(syndrome), esr_inst32(syndrome));
  50     trace_log("  esr=0x%016lx,  spsr=0x%016lx",
  51                 syndrome, execp->spsr);
  52     trace_log("  sp_el0=0x%016lx,  sp_el1=0x%016lx",
  53                 execp->sp_el0, hart_sp(hstate));
  54     trace_log("  pc=0x%016lx", execp->link);
  55 }
  56
  57 void
  58 trace_dump_state(struct hart_state* hstate)
  59 {
  60     struct regcontext* r;
  61
  62     r = &hstate->registers;
  63
  64     trace_log("hart state dump (depth=%d)", hstate->depth);
  65
  66     for (int i = 0; i < 30; i+=3)
  67     {
  68         trace_log("  x%02d=0x%016lx   x%02d=0x%016lx   x%02d=0x%016lx",
  69                     i, r->x[i],
  70                     i + 1, r->x[i + 1],
  71                     i + 2, r->x[i + 2]);
  72     }
  73
  74     trace_log("  x30=0x%016lx   x31=0x%016lx (sp)",
  75                 r->x[30],   hart_sp(hstate));
  76 }