efi_selftest: colored test output

Add color coding to output:
test section    blue
success         green
errors          red
todo            yellow
summary         white
others          light gray

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
[agraf: Fold in move of set_attribute before the print]
Signed-off-by: Alexander Graf <agraf@suse.de>

include/efi_selftest.h

@@ -18,14 +18,20 @@
 #define EFI_ST_SUCCESS 0
 #define EFI_ST_FAILURE 1
 
+/*
+ * Prints a message.
+ */
+#define efi_st_printf(...) \
+	(efi_st_printc(-1, __VA_ARGS__))
+
 /*
  * Prints an error message.
  *
  * @...	format string followed by fields to print
  */
 #define efi_st_error(...) \
-	(efi_st_printf("%s(%u):\nERROR: ", __FILE__, __LINE__), \
+	(efi_st_printc(EFI_LIGHTRED, "%s(%u):\nERROR: ", __FILE__, __LINE__), \
-	efi_st_printf(__VA_ARGS__)) \
+	efi_st_printc(EFI_LIGHTRED, __VA_ARGS__))
 
 /*
  * Prints a TODO message.
@@ -33,8 +39,8 @@
  * @...	format string followed by fields to print
  */
 #define efi_st_todo(...) \
-	(efi_st_printf("%s(%u):\nTODO: ", __FILE__, __LINE__), \
+	(efi_st_printc(EFI_YELLOW, "%s(%u):\nTODO: ", __FILE__, __LINE__), \
-	efi_st_printf(__VA_ARGS__)) \
+	efi_st_printc(EFI_YELLOW, __VA_ARGS__)) \
 
 /*
  * A test may be setup and executed at boottime,
@@ -61,14 +67,15 @@ extern struct efi_simple_input_interface *con_in;
 void efi_st_exit_boot_services(void);
 
 /*
- * Print a pointer to an u16 string
+ * Print a colored message
  *
- * @pointer: pointer
+ * @color	color, see constants in efi_api.h, use -1 for no color
- * @buf: pointer to buffer address
+ * @fmt		printf format
+ * @...		arguments to be printed
  *		on return position of terminating zero word
  */
-void efi_st_printf(const char *fmt, ...)
+void efi_st_printc(int color, const char *fmt, ...)
-		 __attribute__ ((format (__printf__, 1, 2)));
+		 __attribute__ ((format (__printf__, 2, 3)));
 
 /*
  * Compare memory.

lib/efi_selftest/efi_selftest.c

@@ -65,7 +65,7 @@ void efi_st_exit_boot_services(void)
 		efi_st_error("ExitBootServices did not return EFI_SUCCESS\n");
 		return;
 	}
-	efi_st_printf("\nBoot services terminated\n");
+	efi_st_printc(EFI_WHITE, "\nBoot services terminated\n");
 }
 
 /*
@@ -81,13 +81,14 @@ static int setup(struct efi_unit_test *test, unsigned int *failures)
 
 	if (!test->setup)
 		return EFI_ST_SUCCESS;
-	efi_st_printf("\nSetting up '%s'\n", test->name);
+	efi_st_printc(EFI_LIGHTBLUE, "\nSetting up '%s'\n", test->name);
 	ret = test->setup(handle, systable);
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("Setting up '%s' failed\n", test->name);
 		++*failures;
 	} else {
-		efi_st_printf("Setting up '%s' succeeded\n", test->name);
+		efi_st_printc(EFI_LIGHTGREEN,
+			      "Setting up '%s' succeeded\n", test->name);
 	}
 	return ret;
 }
@@ -105,13 +106,14 @@ static int execute(struct efi_unit_test *test, unsigned int *failures)
 
 	if (!test->execute)
 		return EFI_ST_SUCCESS;
-	efi_st_printf("\nExecuting '%s'\n", test->name);
+	efi_st_printc(EFI_LIGHTBLUE, "\nExecuting '%s'\n", test->name);
 	ret = test->execute();
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("Executing '%s' failed\n", test->name);
 		++*failures;
 	} else {
-		efi_st_printf("Executing '%s' succeeded\n", test->name);
+		efi_st_printc(EFI_LIGHTGREEN,
+			      "Executing '%s' succeeded\n", test->name);
 	}
 	return ret;
 }
@@ -129,13 +131,14 @@ static int teardown(struct efi_unit_test *test, unsigned int *failures)
 
 	if (!test->teardown)
 		return EFI_ST_SUCCESS;
-	efi_st_printf("\nTearing down '%s'\n", test->name);
+	efi_st_printc(EFI_LIGHTBLUE, "\nTearing down '%s'\n", test->name);
 	ret = test->teardown();
 	if (ret != EFI_ST_SUCCESS) {
 		efi_st_error("Tearing down '%s' failed\n", test->name);
 		++*failures;
 	} else {
-		efi_st_printf("Tearing down '%s' succeeded\n", test->name);
+		efi_st_printc(EFI_LIGHTGREEN,
+			      "Tearing down '%s' succeeded\n", test->name);
 	}
 	return ret;
 }
@@ -262,12 +265,12 @@ efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle,
 		}
 	}
 
-	efi_st_printf("\nTesting EFI API implementation\n");
+	efi_st_printc(EFI_WHITE, "\nTesting EFI API implementation\n");
 
 	if (testname)
-		efi_st_printf("\nSelected test: '%ps'\n", testname);
+		efi_st_printc(EFI_WHITE, "\nSelected test: '%ps'\n", testname);
 	else
-		efi_st_printf("\nNumber of tests to execute: %u\n",
+		efi_st_printc(EFI_WHITE, "\nNumber of tests to execute: %u\n",
 			      ll_entry_count(struct efi_unit_test,
 					     efi_unit_test));
 
@@ -291,7 +294,7 @@ efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle,
 			&failures);
 
 	/* Give feedback */
-	efi_st_printf("\nSummary: %u failures\n\n", failures);
+	efi_st_printc(EFI_WHITE, "\nSummary: %u failures\n\n", failures);
 
 	/* Reset system */
 	efi_st_printf("Preparing for reset. Press any key.\n");

lib/efi_selftest/efi_selftest_console.c

@@ -130,12 +130,13 @@ static void int2dec(s32 value, u16 **buf)
 }
 
 /*
- * Print a formatted string to the EFI console
+ * Print a colored formatted string to the EFI console
  *
- * @fmt: format string
+ * @color	color, see constants in efi_api.h, use -1 for no color
- * @...: optional arguments
+ * @fmt		format string
+ * @...		optional arguments
  */
-void efi_st_printf(const char *fmt, ...)
+void efi_st_printc(int color, const char *fmt, ...)
 {
 	va_list args;
 	u16 buf[160];
@@ -146,6 +147,8 @@ void efi_st_printf(const char *fmt, ...)
 
 	va_start(args, fmt);
 
+	if (color >= 0)
+		con_out->set_attribute(con_out, (unsigned long)color);
 	c = fmt;
 	for (; *c; ++c) {
 		switch (*c) {
@@ -220,6 +223,8 @@ void efi_st_printf(const char *fmt, ...)
 	va_end(args);
 	*pos = 0;
 	con_out->output_string(con_out, buf);
+	if (color >= 0)
+		con_out->set_attribute(con_out, EFI_LIGHTGRAY);
 }
 
 /*