Add support for memory value change callbacks.
This commit is contained in:
steve
parent
b0b614ae0e
commit
1b911ad87a
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@ -19,12 +19,13 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: memory.cc,v 1.28 2006/02/02 02:44:00 steve Exp $"
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#ident "$Id: memory.cc,v 1.29 2006/03/05 05:45:58 steve Exp $"
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#endif
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#include "memory.h"
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#include "symbols.h"
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#include "schedule.h"
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#include "vpi_priv.h"
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#include <assert.h>
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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@ -52,6 +53,7 @@ struct vvp_memory_s
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// List of ports into this memory.
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class vvp_fun_memport* port_list;
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vpiHandle vpi_self;
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};
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#define VVP_MEMORY_NO_ADDR ((int)0x80000000)
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@ -119,6 +121,13 @@ void memory_configure(vvp_memory_t mem,
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assert(mem->words);
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mem->port_list = 0;
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mem->vpi_self = 0;
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}
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void memory_attach_self(vvp_memory_t mem, vpiHandle self)
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{
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assert(mem->vpi_self == 0);
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mem->vpi_self = self;
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}
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unsigned memory_word_width(vvp_memory_t mem)
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@ -208,6 +217,8 @@ void memory_set_word(vvp_memory_t mem, unsigned addr,
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; cur ; cur = cur->next_) {
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cur->check_word_change(addr);
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}
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vpip_run_memory_value_change(mem->vpi_self, addr);
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}
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void schedule_memory(vvp_memory_t mem, unsigned addr,
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@ -264,6 +275,9 @@ void vvp_fun_memport::check_word_change(unsigned long addr)
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/*
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* $Log: memory.cc,v $
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* Revision 1.29 2006/03/05 05:45:58 steve
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* Add support for memory value change callbacks.
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*
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* Revision 1.28 2006/02/02 02:44:00 steve
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* Allow part selects of memory words in l-values.
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*
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@ -20,10 +20,11 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: memory.h,v 1.11 2006/02/02 02:44:00 steve Exp $"
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#ident "$Id: memory.h,v 1.12 2006/03/05 05:45:58 steve Exp $"
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#endif
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#include "vvp_net.h"
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#include "vpi_user.h"
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/*
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** vvp_memory_t is a memory
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@ -52,6 +53,7 @@ struct memory_address_range {
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extern void memory_configure(vvp_memory_t mem, int msb, int lsb,
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unsigned idxs,
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const struct memory_address_range *idx);
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extern void memory_attach_self(vvp_memory_t mem, vpiHandle self);
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/*
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* init_word and set_word functions take the memory to be manipulated
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@ -98,6 +100,7 @@ long memory_right_range(vvp_memory_t mem, unsigned ix);
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long memory_word_left_range(vvp_memory_t mem);
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long memory_word_right_range(vvp_memory_t mem);
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/* vvp_fun_memport
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* The vvp_fum_memport is a structural port into a vvp_memory_t
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* object. The output is the word that is read from the addressed
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@ -154,6 +157,9 @@ vvp_memory_t memory_create(char *label);
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/*
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* $Log: memory.h,v $
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* Revision 1.12 2006/03/05 05:45:58 steve
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* Add support for memory value change callbacks.
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*
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* Revision 1.11 2006/02/02 02:44:00 steve
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* Allow part selects of memory words in l-values.
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*
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@ -17,7 +17,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: vpi_callback.cc,v 1.42 2006/02/22 03:08:53 steve Exp $"
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#ident "$Id: vpi_callback.cc,v 1.43 2006/03/05 05:45:58 steve Exp $"
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#endif
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/*
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@ -151,6 +151,10 @@ static struct __vpiCallback* make_value_change(p_cb_data data)
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nev->callbacks = obj;
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break;
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case vpiMemory:
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vpip_memory_value_change(obj, data->obj);
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break;
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case vpiModule:
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case vpiConstant:
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case vpiParameter:
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@ -572,6 +576,9 @@ void vvp_fun_signal_real::get_value(struct t_vpi_value*vp)
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/*
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* $Log: vpi_callback.cc,v $
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* Revision 1.43 2006/03/05 05:45:58 steve
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* Add support for memory value change callbacks.
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*
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* Revision 1.42 2006/02/22 03:08:53 steve
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* Some trivial log message improvements.
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*
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@ -18,7 +18,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: vpi_memory.cc,v 1.31 2006/02/21 03:19:03 steve Exp $"
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#ident "$Id: vpi_memory.cc,v 1.32 2006/03/05 05:45:58 steve Exp $"
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#endif
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# include "vpi_priv.h"
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@ -52,6 +52,7 @@ struct __vpiMemory {
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struct __vpiDecConst word_left_range;
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struct __vpiDecConst word_right_range;
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struct __vpiCallback*value_change_cb;
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};
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struct __vpiMemWordIterator {
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@ -360,16 +361,15 @@ static char* memory_word_get_str(int code, vpiHandle ref)
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return 0;
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}
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static void memory_word_get_value(vpiHandle ref, s_vpi_value*vp)
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/*
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* This is a generic function to convert a vvp_vector4_t value into a
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* vpi_value structure. The format is selected by the format of the
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* value pointer. The width is the real width of the word, in case the
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* word_val width is not accurate.
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*/
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void vec4_get_value(const vvp_vector4_t word_val, unsigned width,
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s_vpi_value*vp)
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{
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struct __vpiMemoryWord*rfp = (struct __vpiMemoryWord*)ref;
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assert(rfp->base.vpi_type->type_code==vpiMemoryWord);
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unsigned width = memory_word_width(rfp->mem->mem);
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unsigned word_address = rfp->index.value;
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vvp_vector4_t word_val = memory_get_word(rfp->mem->mem, word_address);
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char *rbuf = 0;
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switch (vp->format) {
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@ -459,6 +459,19 @@ static void memory_word_get_value(vpiHandle ref, s_vpi_value*vp)
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}
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}
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static void memory_word_get_value(vpiHandle ref, s_vpi_value*vp)
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{
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struct __vpiMemoryWord*rfp = (struct __vpiMemoryWord*)ref;
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assert(rfp->base.vpi_type->type_code==vpiMemoryWord);
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unsigned width = memory_word_width(rfp->mem->mem);
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unsigned word_address = rfp->index.value;
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vvp_vector4_t word_val = memory_get_word(rfp->mem->mem, word_address);
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vec4_get_value(word_val, width, vp);
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}
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static const struct __vpirt vpip_memory_rt = {
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vpiMemory,
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vpi_memory_get,
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@ -499,6 +512,45 @@ static void memory_make_word_handles(struct __vpiMemory*rfp)
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}
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}
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/*
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* Run the callbacks for a memory value change. The memory.cc methods
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* call this method with the canonical address of the word that
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* changed, and we here run through all the callbacks for the memory,
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* passing the translated index through.
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*/
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void vpip_run_memory_value_change(vpiHandle ref, unsigned addr)
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{
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struct __vpiMemory*obj = reinterpret_cast<struct __vpiMemory*>(ref);
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vvp_vector4_t word_val = memory_get_word(obj->mem, addr);
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unsigned width = memory_word_width(obj->mem);
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for (struct __vpiCallback*cur=obj->value_change_cb;
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cur != 0 ; cur = cur->next) {
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if (cur->cb_data.cb_rtn == 0)
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continue;
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if (cur->cb_data.value)
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vec4_get_value(word_val, width, cur->cb_data.value);
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cur->cb_data.index = addr;
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vpi_mode_flag = VPI_MODE_RWSYNC;
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(cur->cb_data.cb_rtn) (&cur->cb_data);
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vpi_mode_flag = VPI_MODE_NONE;
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}
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}
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/*
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* Attach the callback to the memory.
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*/
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void vpip_memory_value_change(struct __vpiCallback*cbh, vpiHandle ref)
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{
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struct __vpiMemory*obj = reinterpret_cast<struct __vpiMemory*>(ref);
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cbh->next = obj->value_change_cb;
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obj->value_change_cb = cbh;
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}
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vpiHandle vpip_make_memory(vvp_memory_t mem, const char*name)
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{
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struct __vpiMemory*obj = (struct __vpiMemory*)
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@ -509,7 +561,9 @@ vpiHandle vpip_make_memory(vvp_memory_t mem, const char*name)
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obj->scope = vpip_peek_current_scope();
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obj->mem = mem;
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obj->name = vpip_name_string(name);
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obj->value_change_cb = 0;
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memory_attach_self(mem, &(obj->base));
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vpip_make_dec_const(&obj->left_range, memory_left_range(mem, 0));
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vpip_make_dec_const(&obj->right_range, memory_right_range(mem, 0));
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vpip_make_dec_const(&obj->word_left_range, memory_word_left_range(mem));
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@ -522,6 +576,9 @@ vpiHandle vpip_make_memory(vvp_memory_t mem, const char*name)
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/*
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* $Log: vpi_memory.cc,v $
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* Revision 1.32 2006/03/05 05:45:58 steve
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* Add support for memory value change callbacks.
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*
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* Revision 1.31 2006/02/21 03:19:03 steve
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* Remove dead code.
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*
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@ -19,7 +19,7 @@
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CVS_IDENT
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#ident "$Id: vpi_priv.h,v 1.66 2006/02/21 05:31:54 steve Exp $"
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#ident "$Id: vpi_priv.h,v 1.67 2006/03/05 05:45:58 steve Exp $"
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#endif
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# include "vpi_user.h"
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@ -218,6 +218,10 @@ extern void vpip_real_value_change(struct __vpiCallback*cbh,
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*/
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extern vpiHandle vpip_make_memory(vvp_memory_t mem, const char*name);
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extern void vpip_memory_value_change(struct __vpiCallback*cbh,
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vpiHandle ref);
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extern void vpip_run_memory_value_change(vpiHandle ref, unsigned adr);
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/*
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* These are the various variable types.
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@ -429,6 +433,9 @@ extern char *need_result_buf(unsigned cnt, vpi_rbuf_t type);
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/*
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* $Log: vpi_priv.h,v $
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* Revision 1.67 2006/03/05 05:45:58 steve
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* Add support for memory value change callbacks.
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*
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* Revision 1.66 2006/02/21 05:31:54 steve
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* Put strings for reg objects.
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*
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