Commit b0a2ee55 authored by Matt Atwood's avatar Matt Atwood Committed by Lucas De Marchi
Browse files

drm/xe: prepare xe_gen_wa_oob to be multi-use 



There is a need for additional oob rules files. Make the current gen
file more robust to support more files.

Signed-off-by: default avatarMatt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250709221605.172516-2-matthew.s.atwood@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent 94de94d2

drivers/gpu/drm/xe/xe_gen_wa_oob.c

+38 −7
Original line number Diff line number Diff line
@@ -18,8 +18,8 @@ 
	" *\n" \

	" * This file was generated from rules: %s\n" \

	" */\n" \

	"#ifndef _GENERATED_XE_WA_OOB_\n" \

	"#define _GENERATED_XE_WA_OOB_\n" \

	"#ifndef _GENERATED_%s_\n" \

	"#define _GENERATED_%s_\n" \

	"\n" \

	"enum {\n"
@@ -52,7 +52,7 @@ static char *strip(char *line, size_t linelen) 
}



#define MAX_LINE_LEN 4096

static int parse(FILE *input, FILE *csource, FILE *cheader)

static int parse(FILE *input, FILE *csource, FILE *cheader, char *prefix)

{

	char line[MAX_LINE_LEN + 1];

	char *name, *prev_name = NULL, *rules;
@@ -96,7 +96,7 @@ static int parse(FILE *input, FILE *csource, FILE *cheader) 
		}



		if (name) {

			fprintf(cheader, "\tXE_WA_OOB_%s = %u,\n", name, idx);

			fprintf(cheader, "\t%s_%s = %u,\n", prefix, name, idx);



			/* Close previous entry before starting a new one */

			if (idx)
@@ -118,7 +118,33 @@ static int parse(FILE *input, FILE *csource, FILE *cheader) 
	if (idx)

		fprintf(csource, ") },\n");



	fprintf(cheader, "\t_XE_WA_OOB_COUNT = %u\n", idx);

	fprintf(cheader, "\t_%s_COUNT = %u\n", prefix, idx);



	return 0;

}



static int fn_to_prefix(const char *fn, char *prefix, size_t size)

{

	size_t len;



	fn = basename(fn);

	len = strlen(fn);



	if (len > size - 1)

		return -ENAMETOOLONG;



	memcpy(prefix, fn, len + 1);



	for (char *p = prefix; *p; p++) {

		switch (*p) {

		case '.':

			*p = '\0';

			return 0;

		default:

			*p = toupper(*p);

			break;

		}

	}



	return 0;

}
@@ -141,6 +167,7 @@ int main(int argc, const char *argv[]) 
		[ARGS_CHEADER] = { .fn = argv[3], .mode = "w" },

	};

	int ret = 1;

	char prefix[128];



	if (argc < 3) {

		fprintf(stderr, "ERROR: wrong arguments\n");
@@ -148,6 +175,9 @@ int main(int argc, const char *argv[]) 
		return 1;

	}



	if (fn_to_prefix(args[ARGS_CHEADER].fn, prefix, sizeof(prefix)) < 0)

		return 1;



	for (int i = 0; i < _ARGS_COUNT; i++) {

		args[i].f = fopen(args[i].fn, args[i].mode);

		if (!args[i].f) {
@@ -157,9 +187,10 @@ int main(int argc, const char *argv[]) 
		}

	}



	fprintf(args[ARGS_CHEADER].f, HEADER, args[ARGS_INPUT].fn);

	fprintf(args[ARGS_CHEADER].f, HEADER, args[ARGS_INPUT].fn, prefix, prefix);



	ret = parse(args[ARGS_INPUT].f, args[ARGS_CSOURCE].f,

		    args[ARGS_CHEADER].f);

		    args[ARGS_CHEADER].f, prefix);

	if (!ret)

		fprintf(args[ARGS_CHEADER].f, FOOTER);