diff options
Diffstat (limited to '')
-rw-r--r-- | c/src/librdbg/src/powerpc/rdbg_f.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/c/src/librdbg/src/powerpc/rdbg_f.c b/c/src/librdbg/src/powerpc/rdbg_f.c deleted file mode 100644 index b7a1b39193..0000000000 --- a/c/src/librdbg/src/powerpc/rdbg_f.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - ************************************************************************** - * - * Component = - * - * Synopsis = rdbg/powerpc/rdbg_f.c - * - * $Id$ - * - ************************************************************************** - */ - -#include <rtems.h> -#include <assert.h> -#include <errno.h> -#include <rdbg/reg.h> -#include <rdbg/remdeb.h> -#include <rdbg/rdbg.h> - - void -CtxToRegs (const CPU_Exception_frame * ctx, xdr_regs * regs) -{ - *((CPU_Exception_frame *) regs) = *ctx; -} - - void -RegsToCtx (const xdr_regs * regs, CPU_Exception_frame * ctx) -{ - *ctx = *((CPU_Exception_frame *) regs); -} - - void -get_ctx_thread (Thread_Control * thread, CPU_Exception_frame * ctx) -{ - unsigned int *ptr; - unsigned int i; - - ctx->EXC_SRR0 = thread->Registers.pc; - ctx->EXC_SRR1 = thread->Registers.msr; - ctx->_EXC_number = 0xdeadbeef; - - ctx->GPR1 = thread->Registers.gpr1; - ctx->GPR2 = thread->Registers.gpr2; - /* - * Fill with dummy values... - */ - ptr = &ctx->GPR3; - for (i = 0; i < 10; i++) - ptr[i] = 0xdeadbeef; - - ctx->GPR13 = thread->Registers.gpr13; - ctx->GPR14 = thread->Registers.gpr14; - ctx->GPR15 = thread->Registers.gpr15; - ctx->GPR16 = thread->Registers.gpr16; - ctx->GPR17 = thread->Registers.gpr17; - ctx->GPR18 = thread->Registers.gpr18; - ctx->GPR19 = thread->Registers.gpr19; - ctx->GPR20 = thread->Registers.gpr20; - ctx->GPR21 = thread->Registers.gpr21; - ctx->GPR22 = thread->Registers.gpr22; - ctx->GPR23 = thread->Registers.gpr23; - ctx->GPR24 = thread->Registers.gpr24; - ctx->GPR25 = thread->Registers.gpr25; - ctx->GPR26 = thread->Registers.gpr26; - ctx->GPR27 = thread->Registers.gpr27; - ctx->GPR28 = thread->Registers.gpr28; - ctx->GPR29 = thread->Registers.gpr29; - ctx->GPR30 = thread->Registers.gpr30; - ctx->GPR31 = thread->Registers.gpr31; - ctx->EXC_CR = thread->Registers.cr; - ctx->EXC_CTR = 0xdeadbeef; - ctx->EXC_XER = 0xdeadbeef; - ctx->EXC_LR = 0xdeadbeef; - ctx->EXC_MSR = 0xdeadbeef; - ctx->EXC_DAR = 0xdeadbeef; -} - - void -set_ctx_thread (Thread_Control * thread, CPU_Exception_frame * ctx) -{ - thread->Registers.gpr1 = ctx->GPR1; - thread->Registers.gpr2 = ctx->GPR2; - - thread->Registers.gpr13 = ctx->GPR13; - thread->Registers.gpr14 = ctx->GPR14; - thread->Registers.gpr15 = ctx->GPR15; - thread->Registers.gpr16 = ctx->GPR16; - thread->Registers.gpr17 = ctx->GPR17; - thread->Registers.gpr18 = ctx->GPR18; - thread->Registers.gpr19 = ctx->GPR19; - thread->Registers.gpr20 = ctx->GPR20; - thread->Registers.gpr21 = ctx->GPR21; - thread->Registers.gpr22 = ctx->GPR22; - thread->Registers.gpr23 = ctx->GPR23; - thread->Registers.gpr24 = ctx->GPR24; - thread->Registers.gpr25 = ctx->GPR25; - thread->Registers.gpr26 = ctx->GPR26; - thread->Registers.gpr27 = ctx->GPR27; - thread->Registers.gpr28 = ctx->GPR28; - thread->Registers.gpr29 = ctx->GPR29; - thread->Registers.gpr30 = ctx->GPR30; - thread->Registers.gpr31 = ctx->GPR31; - thread->Registers.cr = ctx->EXC_CR; - thread->Registers.pc = ctx->EXC_SRR0; - thread->Registers.msr = ctx->EXC_SRR1; -} - - int -Single_Step (CPU_Exception_frame * ctx) -{ - if ((ctx->EXC_SRR1 & MSR_SE) != 0 || ExitForSingleStep != 0) { - /* - * Check coherency - */ - assert ((ctx->EXC_SRR1 & MSR_SE) != 0); - assert (ExitForSingleStep != 0); - return 0; - } - ctx->EXC_SRR1 |= MSR_SE; - ++ExitForSingleStep; - return 0; -} - - int -CheckForSingleStep (CPU_Exception_frame * ctx) -{ - if (ExitForSingleStep) { - /* - * This functions can be called both from - * INT1 and INT3 handlers. In case it is - * called from INT3, need to clear TF. - */ - ctx->EXC_SRR1 &= ~MSR_SE; - ExitForSingleStep = 0; - return 1; - } - return 0; -} - - void -CancelSingleStep (CPU_Exception_frame * ctx) -{ - /* - * Cancel scheduled SS - */ - ctx->EXC_SRR1 &= ~MSR_SE; - ExitForSingleStep--; -} - -static cpuExcHandlerType oldExcHandler; - - void -connect_rdbg_exception () -{ - /* - * test if rdbg already connected its exception handler - */ - if (globalExceptHdl != BreakPointExcHdl) { - oldExcHandler = globalExceptHdl; - globalExceptHdl = BreakPointExcHdl; - } -} - - void -disconnect_rdbg_exception () -{ - /* - * test if current execption handler is rdbg's one - * and restore the original one in this case. - */ - if (globalExceptHdl == BreakPointExcHdl) { - globalExceptHdl = oldExcHandler; - } -} |