Transition to boot_env_to_howto and boot_howto_to_env in the boot

loader.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D16205

stand/common/boot.c

@@ -160,30 +160,6 @@ autoboot_maybe()
 		autoboot(-1, NULL);		/* try to boot automatically */
 }
 
-int
-bootenv_flags()
-{
-	int i, howto;
-	char *val;
-
-	for (howto = 0, i = 0; howto_names[i].ev != NULL; i++) {
-		val = getenv(howto_names[i].ev);
-		if (val != NULL && strcasecmp(val, "no") != 0)
-			howto |= howto_names[i].mask;
-	}
-	return (howto);
-}
-
-void
-bootenv_set(int howto)
-{
-	int i;
-
-	for (i = 0; howto_names[i].ev != NULL; i++)
-		if (howto & howto_names[i].mask)
-			setenv(howto_names[i].ev, "YES", 1);
-}
-
 static int
 autoboot(int timeout, char *prompt)
 {

stand/common/bootstrap.h

@@ -63,8 +63,6 @@ int	parse(int *argc, char ***argv, const char *str);
 /* boot.c */
 void	autoboot_maybe(void);
 int	getrootmount(char *rootdev);
-int	bootenv_flags(void);
-void	bootenv_set(int);
 
 /* misc.c */
 char	*unargv(int argc, char *argv[]);

stand/common/metadata.c

@@ -101,7 +101,7 @@ md_getboothowto(char *kargs)
 
     /* Parse kargs */
     howto = boot_parse_cmdline(kargs);
-    howto |= bootenv_flags();
+    howto |= boot_env_to_howto();
 #if defined(__sparc64__)
     if (md_bootserial() != -1)
 	howto |= RB_SERIAL;

stand/efi/loader/bootinfo.c

@@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/linker.h>
 #include <sys/reboot.h>
+#include <sys/boot.h>
 #include <machine/cpufunc.h>
 #include <machine/elf.h>
 #include <machine/metadata.h>
@@ -59,12 +60,6 @@ int bi_load(char *args, vm_offset_t *modulep, vm_offset_t *kernendp);
 
 extern EFI_SYSTEM_TABLE	*ST;
 
-static const char howto_switches[] = "aCdrgDmphsv";
-static int howto_masks[] = {
-	RB_ASKNAME, RB_CDROM, RB_KDB, RB_DFLTROOT, RB_GDB, RB_MULTIPLE,
-	RB_MUTE, RB_PAUSE, RB_SERIAL, RB_SINGLE, RB_VERBOSE
-};
-
 static int
 bi_getboothowto(char *kargs)
 {
@@ -73,7 +68,8 @@ bi_getboothowto(char *kargs)
 	char *console;
 	int howto;
 
-	howto = bootenv_flags();
+	howto = boot_parse_cmdline(kargs);
+	howto |= boot_env_to_howto();
 
 	console = getenv("console");
 	if (console != NULL) {
@@ -83,21 +79,6 @@ bi_getboothowto(char *kargs)
 			howto |= RB_MUTE;
 	}
 
-	/* Parse kargs */
-	if (kargs == NULL)
-		return (howto);
-
-	opts = strchr(kargs, '-');
-	while (opts != NULL) {
-		while (*(++opts) != '\0') {
-			sw = strchr(howto_switches, *opts);
-			if (sw == NULL)
-				break;
-			howto |= howto_masks[sw - howto_switches];
-		}
-		opts = strchr(opts, '-');
-	}
-
 	return (howto);
 }
 

stand/efi/loader/main.c

@@ -28,11 +28,13 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <stand.h>
+
 #include <sys/disk.h>
 #include <sys/param.h>
 #include <sys/reboot.h>
+#include <sys/boot.h>
 #include <stdint.h>
-#include <stand.h>
 #include <string.h>
 #include <setjmp.h>
 #include <disk.h>
@@ -481,7 +483,7 @@ main(int argc, CHAR16 *argv[])
 
 	howto = parse_args(argc, argv, has_kbd);
 
-	bootenv_set(howto);
+	boot_howto_to_env(howto);
 
 	/*
 	 * XXX we need fallback to this stuff after looking at the ConIn, ConOut and ConErr variables

stand/i386/libi386/bootinfo.c

@@ -44,7 +44,7 @@ bi_getboothowto(char *kargs)
     int		vidconsole;
 
     howto = boot_parse_cmdline(kargs);
-    howto |= bootenv_flags();
+    howto |= boot_env_to_howto();
 
     /* Enable selected consoles */
     string = next = strdup(getenv("console"));
@@ -80,7 +80,7 @@ void
 bi_setboothowto(int howto)
 {
 
-    bootenv_set(howto);
+    boot_howto_to_env(howto);
 }
 
 /*

stand/userboot/userboot/bootinfo.c

@@ -44,7 +44,7 @@ bi_getboothowto(char *kargs)
     int		vidconsole;
 
     howto = boot_parse_cmdline(kargs);
-    howto |= bootenv_flags();
+    howto |= boot_env_to_howto();
 
     /* Enable selected consoles */
     string = next = strdup(getenv("console"));
@@ -81,7 +81,7 @@ void
 bi_setboothowto(int howto)
 {
 
-    bootenv_set(howto);
+    boot_howto_to_env(howto);
 }
 
 /*