Renamed packages

1 files changed, 0 insertions, 169 deletions

diff --git a/pk/handlers.c b/pk/handlers.c
deleted file mode 100644
index ebc8f2a..0000000
--- a/pk/handlers.c
+++ /dev/null
@@ -1,169 +0,0 @@
-#include "pcr.h"
-#include "pk.h"
-
-int have_fp = 1; // initialized to 1 because it can't be in the .bss section!
-int have_vector = 1;
-
-static void handle_vector_disabled(trapframe_t* tf)
-{
-  if (have_vector)
-    tf->sr |= SR_EV;
-  else
-    panic("No vector hardware! pc %lx, insn %x",tf->epc,(uint32_t)tf->insn);
-}
-
-static void handle_vector_bank(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("Not enought banks were enabled to execute a vector instruction!");
-}
-
-static void handle_vector_illegal_instruction(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("An illegal vector instruction was executed!");
-}
-
-static void handle_privileged_instruction(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("A privileged instruction was executed!");
-}
-
-static void handle_illegal_instruction(trapframe_t* tf)
-{
-#ifdef PK_ENABLE_FP_EMULATION
-  irq_enable();
-
-  if(emulate_fp(tf) == 0)
-  {
-    advance_pc(tf);
-    return;
-  }
-#endif
-
-  dump_tf(tf);
-  panic("An illegal instruction was executed!");
-}
-
-static void handle_fp_disabled(trapframe_t* tf)
-{
-  irq_enable();
-
-  if(have_fp && !(mfpcr(PCR_SR) & SR_EF))
-    init_fp(tf);
-  else
-    handle_illegal_instruction(tf);
-}
-
-static void handle_breakpoint(trapframe_t* tf)
-{
-  dump_tf(tf);
-  printk("Breakpoint!\n");
-}
-
-static void handle_misaligned_fetch(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("Misaligned instruction access!");
-}
-
-void handle_misaligned_load(trapframe_t* tf)
-{
-  // TODO emulate misaligned loads and stores
-  dump_tf(tf);
-  panic("Misaligned load!");
-}
-
-void handle_misaligned_store(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("Misaligned store!");
-}
-
-static void handle_fault_fetch(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("Faulting instruction access!");
-}
-
-void handle_fault_load(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("Faulting load!");
-}
-
-void handle_fault_store(trapframe_t* tf)
-{
-  dump_tf(tf);
-  panic("Faulting store!");
-}
-
-static void handle_bad_interrupt(trapframe_t* tf, int interrupt)
-{
-  panic("Bad interrupt %d!",interrupt);
-}
-
-static void handle_timer_interrupt(trapframe_t* tf)
-{
-  mtpcr(PCR_COMPARE, mfpcr(PCR_COMPARE)+TIMER_PERIOD);
-}
-
-static void handle_interrupt(trapframe_t* tf)
-{
-  int interrupts = (tf->cause & CAUSE_IP) >> CAUSE_IP_SHIFT;
-
-  for(int i = 0; interrupts; interrupts >>= 1, i++)
-  {
-    if(interrupts & 1)
-    {
-      if(i == TIMER_IRQ)
-        handle_timer_interrupt(tf);
-      else
-        handle_bad_interrupt(tf,i);
-    }
-  }
-}
-
-static void handle_syscall(trapframe_t* tf)
-{
-  irq_enable();
-
-  long n = tf->gpr[2];
-  sysret_t ret = syscall(tf->gpr[4], tf->gpr[5], tf->gpr[6], tf->gpr[7], n);
-
-  tf->gpr[2] = ret.result;
-  tf->gpr[3] = ret.result == -1 ? ret.err : 0;
-
-  advance_pc(tf);
-}
-
-void handle_trap(trapframe_t* tf)
-{
-  typedef void (*trap_handler)(trapframe_t*);
-
-  const static trap_handler trap_handlers[NUM_CAUSES] = {
-    [CAUSE_MISALIGNED_FETCH] = handle_misaligned_fetch,
-    [CAUSE_FAULT_FETCH] = handle_fault_fetch,
-    [CAUSE_ILLEGAL_INSTRUCTION] = handle_illegal_instruction,
-    [CAUSE_PRIVILEGED_INSTRUCTION] = handle_privileged_instruction,
-    [CAUSE_FP_DISABLED] = handle_fp_disabled,
-    [CAUSE_INTERRUPT] = handle_interrupt,
-    [CAUSE_SYSCALL] = handle_syscall,
-    [CAUSE_BREAKPOINT] = handle_breakpoint,
-    [CAUSE_MISALIGNED_LOAD] = handle_misaligned_load,
-    [CAUSE_MISALIGNED_STORE] = handle_misaligned_store,
-    [CAUSE_FAULT_LOAD] = handle_fault_load,
-    [CAUSE_FAULT_STORE] = handle_fault_store,
-    [CAUSE_VECTOR_DISABLED] = handle_vector_disabled,
-    [CAUSE_VECTOR_BANK] = handle_vector_bank,
-    [CAUSE_VECTOR_ILLEGAL_INSTRUCTION] = handle_vector_illegal_instruction,
-  };
-
-  int exccode = (tf->cause & CAUSE_EXCCODE) >> CAUSE_EXCCODE_SHIFT;
-  kassert(exccode < ARRAY_SIZE(trap_handlers));
-
-  trap_handlers[exccode](tf);
-
-  pop_tf(tf);
-}