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moved model into separate file so multiple utils can use it

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This commit is contained in:
Wolfgang Spraul 2012-07-17 10:58:07 +02:00
parent 9d0a00856b
commit d1e8d5f557
5 changed files with 266 additions and 368 deletions
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5
.gitignore vendored
View File

@ -1,5 +1,6 @@
bit2txt
bit2txt.o
draw_fpga
draw_fpga.o
draw_svg_tiles
draw_svg_tiles.o
helper.o
model.o

18
Makefile
View File

@ -6,15 +6,14 @@
# For details see the UNLICENSE file at the root of the source tree.
#
.PHONY: all clean
CFLAGS = -Wall -g
#TARGETS = bit2txt draw_fpga
#OBJS = $(TARGETS:=.o)
LDLIBS = -lxml2
all: bit2txt draw_fpga xc6slx9.svg
all: bit2txt draw_svg_tiles xc6slx9.svg
xc6slx9.svg: draw_fpga
./draw_fpga --svg | xmllint --pretty 1 - > $@
xc6slx9.svg: draw_svg_tiles
./draw_svg_tiles | xmllint --pretty 1 - > $@
bit2txt: bit2txt.o helper.o
@ -22,8 +21,11 @@ bit2txt.o:bit2txt.c helper.h
helper.o: helper.c helper.h
draw_fpga: draw_fpga.o
model.o: model.c model.h
draw_svg_tiles: draw_svg_tiles.o model.o
clean:
rm -f bit2txt bit2txt.o helper.o draw_fpga
.PHONY: all clean
rm -f bit2txt bit2txt.o \
draw_svg_tiles draw_svg_tiles.o \
helper.o model.o

103
draw_svg_tiles.c Normal file
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@ -0,0 +1,103 @@
//
// Author: Wolfgang Spraul
//
// This is free and unencumbered software released into the public domain.
// For details see the UNLICENSE file at the root of the source tree.
//
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <sys/stat.h>
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
#include "model.h"
void print_svg_tiles(struct fpga_model* model);
int main(int argc, char** argv)
{
static const xmlChar* empty_svg = (const xmlChar*)
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<svg version=\"2.0\"\n"
" xmlns=\"http://www.w3.org/2000/svg\"\n"
" xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"
" xmlns:fpga=\"http://qi-hw.com/fpga\"\n"
" id=\"root\">\n"
"<style type=\"text/css\"><![CDATA[text{font-size:6pt;text-anchor:end;}]]></style>\n"
"</svg>\n";
xmlDocPtr doc = 0;
xmlXPathContextPtr xpathCtx = 0;
xmlXPathObjectPtr xpathObj = 0;
xmlNodePtr new_node;
struct fpga_model* model = 0;
char str[128];
int i, j;
// can't get indent formatting to work - use 'xmllint --pretty 1 -'
// on the output for now
xmlInitParser();
model = fpga_build_model(XC6SLX9_ROWS, XC6SLX9_COLUMNS,
XC6SLX9_LEFT_WIRING, XC6SLX9_RIGHT_WIRING);
if (!model) goto fail;
doc = xmlParseDoc(empty_svg);
if (!doc) {
fprintf(stderr, "Internal error %i.\n", __LINE__);
goto fail;
}
xpathCtx = xmlXPathNewContext(doc);
if (!xpathCtx) {
fprintf(stderr, "Cannot create XPath context.\n");
goto fail;
}
xmlXPathRegisterNs(xpathCtx, BAD_CAST "svg", BAD_CAST "http://www.w3.org/2000/svg");
xpathObj = xmlXPathEvalExpression(BAD_CAST "//svg:*[@id='root']", xpathCtx);
if (!xpathObj) {
fprintf(stderr, "Cannot evaluate root expression.\n");
goto fail;
}
if (!xpathObj->nodesetval) {
fprintf(stderr, "Cannot find root node.\n");
goto fail;
}
if (xpathObj->nodesetval->nodeNr != 1) {
fprintf(stderr, "Found %i root nodes.\n", xpathObj->nodesetval->nodeNr);
goto fail;
}
for (i = 0; i < model->tile_y_range; i++) {
for (j = 0; j < model->tile_x_range; j++) {
strcpy(str, fpga_tiletype_str(model->tiles[i*model->tile_x_range+j].type));
new_node = xmlNewChild(xpathObj->nodesetval->nodeTab[0], 0 /* xmlNsPtr */, BAD_CAST "text", BAD_CAST str);
xmlSetProp(new_node, BAD_CAST "x", xmlXPathCastNumberToString(130 + j*130));
xmlSetProp(new_node, BAD_CAST "y", xmlXPathCastNumberToString(40 + i*14));
xmlSetProp(new_node, BAD_CAST "fpga:tile_y", BAD_CAST xmlXPathCastNumberToString(i));
xmlSetProp(new_node, BAD_CAST "fpga:tile_x", BAD_CAST xmlXPathCastNumberToString(j));
}
}
xmlSetProp(xpathObj->nodesetval->nodeTab[0], BAD_CAST "width", BAD_CAST xmlXPathCastNumberToString(model->tile_x_range * 130 + 65));
xmlSetProp(xpathObj->nodesetval->nodeTab[0], BAD_CAST "height", BAD_CAST xmlXPathCastNumberToString(model->tile_y_range * 14 + 60));
xmlDocFormatDump(stdout, doc, 1 /* format */);
xmlXPathFreeObject(xpathObj);
xmlXPathFreeContext(xpathCtx);
xmlFreeDoc(doc);
xmlCleanupParser();
return EXIT_SUCCESS;
fail:
if (xpathObj) xmlXPathFreeObject(xpathObj);
if (xpathCtx) xmlXPathFreeContext(xpathCtx);
if (doc) xmlFreeDoc(doc);
xmlCleanupParser();
return EXIT_FAILURE;
}

363
draw_fpga.c → model.c
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@ -5,180 +5,9 @@
// For details see the UNLICENSE file at the root of the source tree.
//
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <sys/stat.h>
#include "model.h"
#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xpath.h>
#include <libxml/xpathInternals.h>
struct fpga_model
{
int tile_x_range, tile_y_range;
struct fpga_tile* tiles;
};
enum fpga_tile_type
{
NA,
ROUTING,
ROUTING_BRK,
ROUTING_VIA,
HCLK_ROUTING_XM,
HCLK_ROUTING_XL,
HCLK_LOGIC_XM,
HCLK_LOGIC_XL,
LOGIC_XM,
LOGIC_XL,
REGH_ROUTING_XM,
REGH_ROUTING_XL,
REGH_LOGIC_XM,
REGH_LOGIC_XL,
BRAM_ROUTING,
BRAM_ROUTING_BRK,
BRAM,
BRAM_ROUTING_TERM_T,
BRAM_ROUTING_TERM_B,
BRAM_ROUTING_VIA_TERM_T,
BRAM_ROUTING_VIA_TERM_B,
BRAM_TERM_LT,
BRAM_TERM_RT,
BRAM_TERM_LB,
BRAM_TERM_RB,
HCLK_BRAM_ROUTING,
HCLK_BRAM_ROUTING_VIA,
HCLK_BRAM,
REGH_BRAM_ROUTING,
REGH_BRAM_ROUTING_VIA,
REGH_BRAM_L,
REGH_BRAM_R,
MACC,
HCLK_MACC_ROUTING,
HCLK_MACC_ROUTING_VIA,
HCLK_MACC,
REGH_MACC_ROUTING,
REGH_MACC_ROUTING_VIA,
REGH_MACC_L,
PLL_T,
DCM_T,
PLL_B,
DCM_B,
REG_T,
REG_TERM_T,
REG_TERM_B,
REG_B,
REGV_TERM_T,
REGV_TERM_B,
HCLK_REGV,
REGV,
REGV_BRK,
REGV_T,
REGV_B,
REGV_MIDBUF_T,
REGV_HCLKBUF_T,
REGV_HCLKBUF_B,
REGV_MIDBUF_B,
REGC_ROUTING,
REGC_LOGIC,
REGC_CMT,
CENTER, // unique center tile in the middle of the chip
IO_T,
IO_B,
IO_TERM_T,
IO_TERM_B,
IO_ROUTING,
IO_LOGIC_TERM_T,
IO_LOGIC_TERM_B,
IO_OUTER_T,
IO_INNER_T,
IO_OUTER_B,
IO_INNER_B,
IO_BUFPLL_TERM_T,
IO_LOGIC_REG_TERM_T,
IO_BUFPLL_TERM_B,
IO_LOGIC_REG_TERM_B,
LOGIC_ROUTING_TERM_B,
LOGIC_NOIO_TERM_B,
MACC_ROUTING_TERM_T,
MACC_ROUTING_TERM_B,
MACC_VIA_TERM_T,
MACC_TERM_TL,
MACC_TERM_TR,
MACC_TERM_BL,
MACC_TERM_BR,
ROUTING_VIA_REGC,
ROUTING_VIA_IO,
ROUTING_VIA_IO_DCM,
ROUTING_VIA_CARRY,
CORNER_TERM_L,
CORNER_TERM_R,
IO_TERM_L_UPPER_TOP,
IO_TERM_L_UPPER_BOT,
IO_TERM_L_LOWER_TOP,
IO_TERM_L_LOWER_BOT,
IO_TERM_R_UPPER_TOP,
IO_TERM_R_UPPER_BOT,
IO_TERM_R_LOWER_TOP,
IO_TERM_R_LOWER_BOT,
IO_TERM_L,
IO_TERM_R,
HCLK_TERM_L,
HCLK_TERM_R,
REGH_IO_TERM_L,
REGH_IO_TERM_R,
REG_L,
REG_R,
IO_PCI_L,
IO_PCI_R,
IO_RDY_L,
IO_RDY_R,
IO_L,
IO_R,
IO_PCI_CONN_L,
IO_PCI_CONN_R,
CORNER_TERM_T,
CORNER_TERM_B,
ROUTING_IO_L,
HCLK_ROUTING_IO_L,
HCLK_ROUTING_IO_R,
REGH_ROUTING_IO_L,
REGH_ROUTING_IO_R,
ROUTING_IO_L_BRK,
ROUTING_GCLK,
REGH_IO_L,
REGH_IO_R,
REGH_MCB,
HCLK_MCB,
ROUTING_IO_VIA_L,
ROUTING_IO_VIA_R,
ROUTING_IO_PCI_CE_L,
ROUTING_IO_PCI_CE_R,
CORNER_TL,
CORNER_BL,
CORNER_TR_UPPER,
CORNER_TR_LOWER,
CORNER_BR_UPPER,
CORNER_BR_LOWER,
HCLK_IO_TOP_UP_L,
HCLK_IO_TOP_UP_R,
HCLK_IO_TOP_SPLIT_L,
HCLK_IO_TOP_SPLIT_R,
HCLK_IO_TOP_DN_L,
HCLK_IO_TOP_DN_R,
HCLK_IO_BOT_UP_L,
HCLK_IO_BOT_UP_R,
HCLK_IO_BOT_SPLIT_L,
HCLK_IO_BOT_SPLIT_R,
HCLK_IO_BOT_DN_L,
HCLK_IO_BOT_DN_R,
};
const char* fpga_ttstr[] = // tile type strings
static const char* fpga_ttstr[] = // tile type strings
{
[NA] = "NA",
[ROUTING] = "ROUTING",
@ -333,103 +162,7 @@ const char* fpga_ttstr[] = // tile type strings
[HCLK_IO_BOT_DN_R] = "HCLK_IO_BOT_DN_R",
};
struct fpga_tile
{
enum fpga_tile_type type;
// expect up to 64 devices per tile
int num_devices;
struct fpga_device* devices;
// expect up to 28k connections to other tiles per tile
// 3*16 bit per connection:
// - x coordinate of other tile (16bit)
// - y coordinate of other tile (16bit)
// - endpoint index in other tile (16bit)
int num_conns; // conns array is 3*num_conns 16-bit words
uint16_t* conns; // num_conns*3 16-bit words: 16(x)-16(y)-16(endpoint)
// expect up to 5k endpoints per tile
// 16-bit index into conns (not yet multiplied by 3)
int num_endpoints;
uint16_t* endpoints;
// endpoints0 are conceptual endpoints without outgoing wires.
// Imagine their indices added to the end of num_endpoints, so
// the first endpoint0 is at index num_endpoints, the second one
// at num_endpoints+1, and so on.
int num_endpoints0;
// expect up to 4k connection pairs per tile
// 32bit: 31 off: not in use on: used
// 30 off: unidirectional on: bidirectional
// 29:15 from, index into endpoints
// 14:0 to, index into endpoints
int num_connect_pairs;
uint32_t* connect_pairs;
};
// columns
// 'L' = X+L logic block
// 'l' = X+L logic block without IO at top and bottom
// 'M' = X+M logic block
// 'm' = X+M logic block without IO at top and bottom
// 'B' = block ram
// 'D' = dsp (macc)
// 'R' = registers and center IO/logic column
//
// wiring on the left and right side is described with 16
// characters for each row - 'W' = wired, 'U' = unwired
// order is top-down
#define XC6SLX9_ROWS 4
#define XC6SLX9_COLUMNS "MLBMLDMRMlMLBML"
#define XC6SLX9_LEFT_WIRING \
/* row 3 */ "UWUWUWUW" "WWWWUUUU" \
/* row 2 */ "UUUUUUUU" "WWWWWWUU" \
/* row 1 */ "WWWUUWUU" "WUUWUUWU" \
/* row 0 */ "UWUUWUUW" "UUWWWWUU"
#define XC6SLX9_RIGHT_WIRING \
/* row 3 */ "UUWWUWUW" "WWWWUUUU" \
/* row 2 */ "UUUUUUUU" "WWWWWWUU" \
/* row 1 */ "WWWUUWUU" "WUUWUUWU" \
/* row 0 */ "UWUUWUUW" "UUWWWWUU"
struct fpga_model* build_model(int fpga_rows, const char* columns,
const char* left_wiring, const char* right_wiring);
void print_svg_tiles(struct fpga_model* model);
void write_folders(struct fpga_model* model, const char* root_folder);
int main(int argc, char** argv)
{
struct fpga_model* model = 0;
if (argc < 2) {
printf("\n"
"draw_fpga - model and view of an FPGA\n"
"Public domain work by Wolfgang Spraul\n"
"\n"
"draw_fpga [options]\n"
" --svg writes a simple svg tile grid to stdout\n"
" --folder <path> writes a folder structure of tiles and devices\n"
"\n");
return EXIT_SUCCESS;
}
model = build_model(XC6SLX9_ROWS, XC6SLX9_COLUMNS,
XC6SLX9_LEFT_WIRING, XC6SLX9_RIGHT_WIRING);
if (!model) goto fail;
if (!strcmp(argv[1], "--svg"))
print_svg_tiles(model);
if (!strcmp(argv[1], "--folder"))
write_folders(model, argv[2]);
return EXIT_SUCCESS;
fail:
return EXIT_FAILURE;
}
struct fpga_model* build_model(int fpga_rows, const char* columns,
struct fpga_model* fpga_build_model(int fpga_rows, const char* columns,
const char* left_wiring, const char* right_wiring)
{
int tile_rows, tile_columns, i, j, k, l, row_top_y, center_row, left_side;
@ -897,91 +630,9 @@ struct fpga_model* build_model(int fpga_rows, const char* columns,
return model;
}
void print_svg_tiles(struct fpga_model* model)
const char* fpga_tiletype_str(enum fpga_tile_type type)
{
static const xmlChar* empty_svg = (const xmlChar*)
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<svg version=\"2.0\"\n"
" xmlns=\"http://www.w3.org/2000/svg\"\n"
" xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"
" xmlns:fpga=\"http://qi-hw.com/fpga\"\n"
" id=\"root\">\n"
"<style type=\"text/css\"><![CDATA[text{font-size:6pt;text-anchor:end;}]]></style>\n"
"</svg>\n";
xmlDocPtr doc = 0;
xmlXPathContextPtr xpathCtx = 0;
xmlXPathObjectPtr xpathObj = 0;
xmlNodePtr new_node;
char str[128];
int i, j;
// can't get indent formatting to work - use 'xmllint --pretty 1 -'
// on the output for now
xmlInitParser();
doc = xmlParseDoc(empty_svg);
if (!doc) {
fprintf(stderr, "Internal error %i.\n", __LINE__);
goto fail;
}
xpathCtx = xmlXPathNewContext(doc);
if (!xpathCtx) {
fprintf(stderr, "Cannot create XPath context.\n");
goto fail;
}
xmlXPathRegisterNs(xpathCtx, BAD_CAST "svg", BAD_CAST "http://www.w3.org/2000/svg");
xpathObj = xmlXPathEvalExpression(BAD_CAST "//svg:*[@id='root']", xpathCtx);
if (!xpathObj) {
fprintf(stderr, "Cannot evaluate root expression.\n");
goto fail;
}
if (!xpathObj->nodesetval) {
fprintf(stderr, "Cannot find root node.\n");
goto fail;
}
if (xpathObj->nodesetval->nodeNr != 1) {
fprintf(stderr, "Found %i root nodes.\n", xpathObj->nodesetval->nodeNr);
goto fail;
}
for (i = 0; i < model->tile_y_range; i++) {
for (j = 0; j < model->tile_x_range; j++) {
strcpy(str, fpga_ttstr[model->tiles[i*model->tile_x_range+j].type]);
new_node = xmlNewChild(xpathObj->nodesetval->nodeTab[0], 0 /* xmlNsPtr */, BAD_CAST "text", BAD_CAST str);
xmlSetProp(new_node, BAD_CAST "x", xmlXPathCastNumberToString(130 + j*130));
xmlSetProp(new_node, BAD_CAST "y", xmlXPathCastNumberToString(40 + i*14));
xmlSetProp(new_node, BAD_CAST "fpga:tile_y", BAD_CAST xmlXPathCastNumberToString(i));
xmlSetProp(new_node, BAD_CAST "fpga:tile_x", BAD_CAST xmlXPathCastNumberToString(j));
}
}
xmlSetProp(xpathObj->nodesetval->nodeTab[0], BAD_CAST "width", BAD_CAST xmlXPathCastNumberToString(model->tile_x_range * 130 + 65));
xmlSetProp(xpathObj->nodesetval->nodeTab[0], BAD_CAST "height", BAD_CAST xmlXPathCastNumberToString(model->tile_y_range * 14 + 60));
xmlDocFormatDump(stdout, doc, 1 /* format */);
xmlXPathFreeObject(xpathObj);
xmlXPathFreeContext(xpathCtx);
xmlFreeDoc(doc);
xmlCleanupParser();
return;
fail:
if (xpathObj) xmlXPathFreeObject(xpathObj);
if (xpathCtx) xmlXPathFreeContext(xpathCtx);
if (doc) xmlFreeDoc(doc);
xmlCleanupParser();
}
void write_folders(struct fpga_model* model, const char* root_folder)
{
char path[1024];
sprintf(path, "%s/devices", root_folder);
if (mkdir(path, S_IRWXU|S_IRWXG|S_IROTH|S_IXOTH)) {
fprintf(stderr, "Cannot create folder %s\n", path);
return;
}
// root/devices/IOB
// root/tile_type/1file_per_tile
if (type >= sizeof(fpga_ttstr)/sizeof(fpga_ttstr[0])
|| !fpga_ttstr[type]) return "UNK";
return fpga_ttstr[type];
}

141
model.h Normal file
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@ -0,0 +1,141 @@
//
// Author: Wolfgang Spraul
//
// This is free and unencumbered software released into the public domain.
// For details see the UNLICENSE file at the root of the source tree.
//
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include <assert.h>
#include <sys/stat.h>
// columns
// 'L' = X+L logic block
// 'l' = X+L logic block without IO at top and bottom
// 'M' = X+M logic block
// 'm' = X+M logic block without IO at top and bottom
// 'B' = block ram
// 'D' = dsp (macc)
// 'R' = registers and center IO/logic column
//
// wiring on the left and right side is described with 16
// characters for each row - 'W' = wired, 'U' = unwired
// order is top-down
#define XC6SLX9_ROWS 4
#define XC6SLX9_COLUMNS "MLBMLDMRMlMLBML"
#define XC6SLX9_LEFT_WIRING \
/* row 3 */ "UWUWUWUW" "WWWWUUUU" \
/* row 2 */ "UUUUUUUU" "WWWWWWUU" \
/* row 1 */ "WWWUUWUU" "WUUWUUWU" \
/* row 0 */ "UWUUWUUW" "UUWWWWUU"
#define XC6SLX9_RIGHT_WIRING \
/* row 3 */ "UUWWUWUW" "WWWWUUUU" \
/* row 2 */ "UUUUUUUU" "WWWWWWUU" \
/* row 1 */ "WWWUUWUU" "WUUWUUWU" \
/* row 0 */ "UWUUWUUW" "UUWWWWUU"
struct fpga_model
{
int tile_x_range, tile_y_range;
struct fpga_tile* tiles;
};
enum fpga_tile_type
{
NA,
ROUTING, ROUTING_BRK, ROUTING_VIA,
HCLK_ROUTING_XM, HCLK_ROUTING_XL, HCLK_LOGIC_XM, HCLK_LOGIC_XL,
LOGIC_XM, LOGIC_XL,
REGH_ROUTING_XM, REGH_ROUTING_XL, REGH_LOGIC_XM, REGH_LOGIC_XL,
BRAM_ROUTING, BRAM_ROUTING_BRK,
BRAM,
BRAM_ROUTING_TERM_T, BRAM_ROUTING_TERM_B, BRAM_ROUTING_VIA_TERM_T, BRAM_ROUTING_VIA_TERM_B,
BRAM_TERM_LT, BRAM_TERM_RT, BRAM_TERM_LB, BRAM_TERM_RB,
HCLK_BRAM_ROUTING, HCLK_BRAM_ROUTING_VIA, HCLK_BRAM,
REGH_BRAM_ROUTING, REGH_BRAM_ROUTING_VIA, REGH_BRAM_L, REGH_BRAM_R,
MACC,
HCLK_MACC_ROUTING, HCLK_MACC_ROUTING_VIA, HCLK_MACC,
REGH_MACC_ROUTING, REGH_MACC_ROUTING_VIA, REGH_MACC_L,
PLL_T, DCM_T, PLL_B, DCM_B, REG_T,
REG_TERM_T, REG_TERM_B, REG_B,
REGV_TERM_T, REGV_TERM_B,
HCLK_REGV,
REGV, REGV_BRK, REGV_T, REGV_B, REGV_MIDBUF_T, REGV_HCLKBUF_T, REGV_HCLKBUF_B, REGV_MIDBUF_B,
REGC_ROUTING, REGC_LOGIC, REGC_CMT,
CENTER, // unique center tile in the middle of the chip
IO_T, IO_B, IO_TERM_T, IO_TERM_B, IO_ROUTING, IO_LOGIC_TERM_T, IO_LOGIC_TERM_B,
IO_OUTER_T, IO_INNER_T, IO_OUTER_B, IO_INNER_B,
IO_BUFPLL_TERM_T, IO_LOGIC_REG_TERM_T, IO_BUFPLL_TERM_B, IO_LOGIC_REG_TERM_B,
LOGIC_ROUTING_TERM_B, LOGIC_NOIO_TERM_B,
MACC_ROUTING_TERM_T, MACC_ROUTING_TERM_B, MACC_VIA_TERM_T,
MACC_TERM_TL, MACC_TERM_TR, MACC_TERM_BL, MACC_TERM_BR,
ROUTING_VIA_REGC, ROUTING_VIA_IO, ROUTING_VIA_IO_DCM, ROUTING_VIA_CARRY,
CORNER_TERM_L, CORNER_TERM_R,
IO_TERM_L_UPPER_TOP, IO_TERM_L_UPPER_BOT, IO_TERM_L_LOWER_TOP, IO_TERM_L_LOWER_BOT,
IO_TERM_R_UPPER_TOP, IO_TERM_R_UPPER_BOT, IO_TERM_R_LOWER_TOP, IO_TERM_R_LOWER_BOT,
IO_TERM_L, IO_TERM_R,
HCLK_TERM_L, HCLK_TERM_R,
REGH_IO_TERM_L, REGH_IO_TERM_R,
REG_L, REG_R,
IO_PCI_L, IO_PCI_R, IO_RDY_L, IO_RDY_R,
IO_L, IO_R,
IO_PCI_CONN_L, IO_PCI_CONN_R,
CORNER_TERM_T, CORNER_TERM_B,
ROUTING_IO_L,
HCLK_ROUTING_IO_L, HCLK_ROUTING_IO_R, REGH_ROUTING_IO_L, REGH_ROUTING_IO_R,
ROUTING_IO_L_BRK, ROUTING_GCLK,
REGH_IO_L, REGH_IO_R, REGH_MCB, HCLK_MCB,
ROUTING_IO_VIA_L, ROUTING_IO_VIA_R, ROUTING_IO_PCI_CE_L, ROUTING_IO_PCI_CE_R,
CORNER_TL, CORNER_BL,
CORNER_TR_UPPER, CORNER_TR_LOWER, CORNER_BR_UPPER, CORNER_BR_LOWER,
HCLK_IO_TOP_UP_L, HCLK_IO_TOP_UP_R,
HCLK_IO_TOP_SPLIT_L, HCLK_IO_TOP_SPLIT_R,
HCLK_IO_TOP_DN_L, HCLK_IO_TOP_DN_R,
HCLK_IO_BOT_UP_L, HCLK_IO_BOT_UP_R,
HCLK_IO_BOT_SPLIT_L, HCLK_IO_BOT_SPLIT_R,
HCLK_IO_BOT_DN_L, HCLK_IO_BOT_DN_R,
};
struct fpga_tile
{
enum fpga_tile_type type;
// expect up to 64 devices per tile
int num_devices;
struct fpga_device* devices;
// expect up to 28k connections to other tiles per tile
// 3*16 bit per connection:
// - x coordinate of other tile (16bit)
// - y coordinate of other tile (16bit)
// - endpoint index in other tile (16bit)
int num_conns; // conns array is 3*num_conns 16-bit words
uint16_t* conns; // num_conns*3 16-bit words: 16(x)-16(y)-16(endpoint)
// expect up to 5k endpoints per tile
// 16-bit index into conns (not yet multiplied by 3)
int num_endpoints;
uint16_t* endpoints;
// endpoints0 are conceptual endpoints without outgoing wires.
// Imagine their indices added to the end of num_endpoints, so
// the first endpoint0 is at index num_endpoints, the second one
// at num_endpoints+1, and so on.
int num_endpoints0;
// expect up to 4k connection pairs per tile
// 32bit: 31 off: not in use on: used
// 30 off: unidirectional on: bidirectional
// 29:15 from, index into endpoints
// 14:0 to, index into endpoints
int num_connect_pairs;
uint32_t* connect_pairs;
};
struct fpga_model* fpga_build_model(int fpga_rows, const char* columns,
const char* left_wiring, const char* right_wiring);
const char* fpga_tiletype_str(enum fpga_tile_type type);