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update image generator

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Generator now adds the content of the MARCH varible (CPU ISA extensions) to the generated VHDL image files if MARCH is defined by the user during compilation
This commit is contained in:
stnolting 2022-05-31 14:50:06 +02:00
parent f69a6eb4d8
commit 67970b0b4e
1 changed files with 25 additions and 11 deletions
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36
sw/image_gen/image_gen.c
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@ -99,6 +99,19 @@ int main(int argc, char *argv[]) {
unsigned int input_words = input_size / 4;
// ------------------------------------------------------------
// Try to find out targeted CPU configuration
// via MARCH environment variable
// ------------------------------------------------------------
char string_march[64] = "default";
char *envvar_march = "MARCH";
if (getenv(envvar_march)) {
if (snprintf(string_march, 64, "%s", getenv(envvar_march)) >= 64){
strcpy(string_march, "default");
}
}
// ------------------------------------------------------------
// Get size of application (in bytes)
// ------------------------------------------------------------
@ -112,7 +125,7 @@ int main(int argc, char *argv[]) {
// ------------------------------------------------------------
// Generate BINARY executable (with header!!!) for bootloader upload
// Generate BINARY executable (with header!) for bootloader upload
// ------------------------------------------------------------
if (option == 1) {
@ -176,14 +189,15 @@ int main(int argc, char *argv[]) {
// ------------------------------------------------------------
// Generate APPLICATION's executable memory init file (no header!!!)
// Generate APPLICATION's executable memory init file (no header!)
// ------------------------------------------------------------
if (option == 2) {
// header
// header
sprintf(tmp_string, "-- The NEORV32 RISC-V Processor, https://github.com/stnolting/neorv32\n"
"-- Auto-generated memory init file (for APPLICATION) from source file <%s/%s>\n"
"-- Size: %lu bytes\n"
"-- MARCH: %s\n"
"\n"
"library ieee;\n"
"use ieee.std_logic_1164.all;\n"
@ -193,10 +207,10 @@ int main(int argc, char *argv[]) {
"\n"
"package neorv32_application_image is\n"
"\n"
" constant application_init_image : mem32_t := (\n", argv[4], argv[2], raw_exe_size);
" constant application_init_image : mem32_t := (\n", argv[4], argv[2], raw_exe_size, string_march);
fputs(tmp_string, output);
// data
// data
buffer[0] = 0;
buffer[1] = 0;
buffer[2] = 0;
@ -240,7 +254,7 @@ int main(int argc, char *argv[]) {
printf("Unexpected input file end!\n");
}
// end
// end
sprintf(tmp_string, " );\n"
"\n"
"end neorv32_application_image;\n");
@ -249,14 +263,15 @@ int main(int argc, char *argv[]) {
// ------------------------------------------------------------
// Generate BOOTLOADER's executable memory init file (no header!!!)
// Generate BOOTLOADER's executable memory init file (no header!)
// ------------------------------------------------------------
if (option == 3) {
// header
// header
sprintf(tmp_string, "-- The NEORV32 RISC-V Processor, https://github.com/stnolting/neorv32\n"
"-- Auto-generated memory init file (for BOOTLOADER) from source file <%s/%s>\n"
"-- Size: %lu bytes\n"
"-- MARCH: %s\n"
"\n"
"library ieee;\n"
"use ieee.std_logic_1164.all;\n"
@ -266,7 +281,7 @@ int main(int argc, char *argv[]) {
"\n"
"package neorv32_bootloader_image is\n"
"\n"
" constant bootloader_init_image : mem32_t := (\n", argv[4], argv[2], raw_exe_size);
" constant bootloader_init_image : mem32_t := (\n", argv[4], argv[2], raw_exe_size, string_march);
fputs(tmp_string, output);
// data
@ -313,7 +328,7 @@ int main(int argc, char *argv[]) {
printf("Unexpected input file end!\n");
}
// end
// end
sprintf(tmp_string, " );\n"
"\n"
"end neorv32_bootloader_image;\n");
@ -343,7 +358,6 @@ int main(int argc, char *argv[]) {
}
}
fclose(input);
fclose(output);