MFC r293460:

Switch EFT boot1 to use libstand

This includes a change to the Makefile comment to correct it due to the
lack of arm and i386 support in 10.x.

Sponsored by:	Multiplay

2 files changed, 15 insertions, 260 deletions

diff --git a/sys/boot/efi/boot1/Makefile b/sys/boot/efi/boot1/Makefile
index 8cb6c62..1f59c33 100644
--- a/sys/boot/efi/boot1/Makefile
+++ b/sys/boot/efi/boot1/Makefile
@@ -38,6 +38,12 @@ LDFLAGS=	-Wl,-T${LDSCRIPT} -Wl,-Bsymbolic -shared
 LDFLAGS+=	-Wl,-znocombreloc
 .endif
 
+#
+# Add libstand for required string and memory functions for all platforms.
+#
+DPADD+=		${LIBSTAND}
+LDADD+=		-lstand
+
 DPADD+=		${LDSCRIPT}
 
 OBJCOPY?=	objcopy
diff --git a/sys/boot/efi/boot1/boot1.c b/sys/boot/efi/boot1/boot1.c
index 48966fd..9d5bac3 100644
--- a/sys/boot/efi/boot1/boot1.c
+++ b/sys/boot/efi/boot1/boot1.c
@@ -24,6 +24,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/dirent.h>
 #include <machine/elf.h>
 #include <machine/stdarg.h>
+#include <stand.h>
 
 #include <efi.h>
 #include <eficonsctl.h>
@@ -33,28 +34,8 @@ __FBSDID("$FreeBSD$");
 
 #define BSIZEMAX	16384
 
-typedef int putc_func_t(char c, void *arg);
-
-struct sp_data {
-	char	*sp_buf;
-	u_int	sp_len;
-	u_int	sp_size;
-};
-
-static const char digits[] = "0123456789abcdef";
-
-static void panic(const char *fmt, ...) __dead2;
-static int printf(const char *fmt, ...);
-static int putchar(char c, void *arg);
-static int vprintf(const char *fmt, va_list ap);
-static int vsnprintf(char *str, size_t sz, const char *fmt, va_list ap);
-
-static int __printf(const char *fmt, putc_func_t *putc, void *arg, va_list ap);
-static int __putc(char c, void *arg);
-static int __puts(const char *s, putc_func_t *putc, void *arg);
-static int __sputc(char c, void *arg);
-static char *__uitoa(char *buf, u_int val, int base);
-static char *__ultoa(char *buf, u_long val, int base);
+void panic(const char *fmt, ...) __dead2;
+void putchar(int c);
 
 static int domount(EFI_DEVICE_PATH *device, EFI_BLOCK_IO *blkio, int quiet);
 static void load(const char *fname);
@@ -62,39 +43,6 @@ static void load(const char *fname);
 EFI_SYSTEM_TABLE *systab;
 EFI_HANDLE *image;
 
-static void
-bcopy(const void *src, void *dst, size_t len)
-{
-	const char *s = src;
-	char *d = dst;
-
-	while (len-- != 0)
-		*d++ = *s++;
-}
-
-static void
-memcpy(void *dst, const void *src, size_t len)
-{
-	bcopy(src, dst, len);
-}
-
-static void
-bzero(void *b, size_t len)
-{
-	char *p = b;
-
-	while (len-- != 0)
-		*p++ = 0;
-}
-
-static int
-strcmp(const char *s1, const char *s2)
-{
-	for (; *s1 == *s2 && *s1; s1++, s2++)
-		;
-	return ((u_char)*s1 - (u_char)*s2);
-}
-
 static EFI_GUID BlockIoProtocolGUID = BLOCK_IO_PROTOCOL;
 static EFI_GUID DevicePathGUID = DEVICE_PATH_PROTOCOL;
 static EFI_GUID LoadedImageGUID = LOADED_IMAGE_PROTOCOL;
@@ -344,38 +292,22 @@ load(const char *fname)
 		    EFI_ERROR_CODE(status));
 }
 
-static void
+void
 panic(const char *fmt, ...)
 {
-	char buf[128];
 	va_list ap;
 
+	printf("panic: ");
 	va_start(ap, fmt);
-	vsnprintf(buf, sizeof buf, fmt, ap);
-	printf("panic: %s\n", buf);
+	vprintf(fmt, ap);
 	va_end(ap);
+	printf("\n");
 
 	while (1) {}
 }
 
-static int
-printf(const char *fmt, ...)
-{
-	va_list ap;
-	int ret;
-
-	/* Don't annoy the user as we probe for partitions */
-	if (strcmp(fmt,"Not ufs\n") == 0)
-		return 0;
-
-	va_start(ap, fmt);
-	ret = vprintf(fmt, ap);
-	va_end(ap);
-	return (ret);
-}
-
-static int
-putchar(char c, void *arg)
+void
+putchar(int c)
 {
 	CHAR16 buf[2];
 
@@ -387,187 +319,4 @@ putchar(char c, void *arg)
 	buf[0] = c;
 	buf[1] = 0;
 	systab->ConOut->OutputString(systab->ConOut, buf);
-	return (1);
-}
-
-static int
-vprintf(const char *fmt, va_list ap)
-{
-	int ret;
-
-	ret = __printf(fmt, putchar, 0, ap);
-	return (ret);
-}
-
-static int
-vsnprintf(char *str, size_t sz, const char *fmt, va_list ap)
-{
-	struct sp_data sp;
-	int ret;
-
-	sp.sp_buf = str;
-	sp.sp_len = 0;
-	sp.sp_size = sz;
-	ret = __printf(fmt, __sputc, &sp, ap);
-	return (ret);
-}
-
-static int
-__printf(const char *fmt, putc_func_t *putc, void *arg, va_list ap)
-{
-	char buf[(sizeof(long) * 8) + 1];
-	char *nbuf;
-	u_long ul;
-	u_int ui;
-	int lflag;
-	int sflag;
-	char *s;
-	int pad;
-	int ret;
-	int c;
-
-	nbuf = &buf[sizeof buf - 1];
-	ret = 0;
-	while ((c = *fmt++) != 0) {
-		if (c != '%') {
-			ret += putc(c, arg);
-			continue;
-		}
-		lflag = 0;
-		sflag = 0;
-		pad = 0;
-reswitch:	c = *fmt++;
-		switch (c) {
-		case '#':
-			sflag = 1;
-			goto reswitch;
-		case '%':
-			ret += putc('%', arg);
-			break;
-		case 'c':
-			c = va_arg(ap, int);
-			ret += putc(c, arg);
-			break;
-		case 'd':
-			if (lflag == 0) {
-				ui = (u_int)va_arg(ap, int);
-				if (ui < (int)ui) {
-					ui = -ui;
-					ret += putc('-', arg);
-				}
-				s = __uitoa(nbuf, ui, 10);
-			} else {
-				ul = (u_long)va_arg(ap, long);
-				if (ul < (long)ul) {
-					ul = -ul;
-					ret += putc('-', arg);
-				}
-				s = __ultoa(nbuf, ul, 10);
-			}
-			ret += __puts(s, putc, arg);
-			break;
-		case 'l':
-			lflag = 1;
-			goto reswitch;
-		case 'o':
-			if (lflag == 0) {
-				ui = (u_int)va_arg(ap, u_int);
-				s = __uitoa(nbuf, ui, 8);
-			} else {
-				ul = (u_long)va_arg(ap, u_long);
-				s = __ultoa(nbuf, ul, 8);
-			}
-			ret += __puts(s, putc, arg);
-			break;
-		case 'p':
-			ul = (u_long)va_arg(ap, void *);
-			s = __ultoa(nbuf, ul, 16);
-			ret += __puts("0x", putc, arg);
-			ret += __puts(s, putc, arg);
-			break;
-		case 's':
-			s = va_arg(ap, char *);
-			ret += __puts(s, putc, arg);
-			break;
-		case 'u':
-			if (lflag == 0) {
-				ui = va_arg(ap, u_int);
-				s = __uitoa(nbuf, ui, 10);
-			} else {
-				ul = va_arg(ap, u_long);
-				s = __ultoa(nbuf, ul, 10);
-			}
-			ret += __puts(s, putc, arg);
-			break;
-		case 'x':
-			if (lflag == 0) {
-				ui = va_arg(ap, u_int);
-				s = __uitoa(nbuf, ui, 16);
-			} else {
-				ul = va_arg(ap, u_long);
-				s = __ultoa(nbuf, ul, 16);
-			}
-			if (sflag)
-				ret += __puts("0x", putc, arg);
-			ret += __puts(s, putc, arg);
-			break;
-		case '0': case '1': case '2': case '3': case '4':
-		case '5': case '6': case '7': case '8': case '9':
-			pad = pad * 10 + c - '0';
-			goto reswitch;
-		default:
-			break;
-		}
-	}
-	return (ret);
-}
-
-static int
-__sputc(char c, void *arg)
-{
-	struct sp_data *sp;
-
-	sp = arg;
-	if (sp->sp_len < sp->sp_size)
-		sp->sp_buf[sp->sp_len++] = c;
-	sp->sp_buf[sp->sp_len] = '\0';
-	return (1);
-}
-
-static int
-__puts(const char *s, putc_func_t *putc, void *arg)
-{
-	const char *p;
-	int ret;
-
-	ret = 0;
-	for (p = s; *p != '\0'; p++)
-		ret += putc(*p, arg);
-	return (ret);
-}
-
-static char *
-__uitoa(char *buf, u_int ui, int base)
-{
-	char *p;
-
-	p = buf;
-	*p = '\0';
-	do
-		*--p = digits[ui % base];
-	while ((ui /= base) != 0);
-	return (p);
-}
-
-static char *
-__ultoa(char *buf, u_long ul, int base)
-{
-	char *p;
-
-	p = buf;
-	*p = '\0';
-	do
-		*--p = digits[ul % base];
-	while ((ul /= base) != 0);
-	return (p);
 }