Attachment 168291 Details for Bug 207940 – boot1 patch rev2 - add input timeout

[patch] boot1 patch rev2 - add input timeout

boot1.c.diff.rev2 (text/plain), 7.72 KB, created by Naomichi Nonaka on 2016-03-16 10:58:38 UTC

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Creator: Naomichi Nonaka

Created: 2016-03-16 10:58:38 UTC

Size: 7.72 KB

patch

obsolete

>Index: sys/boot/efi/boot1/boot1.c
>===================================================================
>--- sys/boot/efi/boot1/boot1.c	(revision 295683)
>+++ sys/boot/efi/boot1/boot1.c	(working copy)
>@@ -28,7 +28,7 @@
> #include <stand.h>
> 
> #include <efi.h>
>-#include <eficonsctl.h>
>+#include <efilib.h>
> 
> #include "boot_module.h"
> #include "paths.h"
>@@ -47,6 +47,10 @@
> /* The initial number of handles used to query EFI for partitions. */
> #define NUM_HANDLES_INIT	24
> 
>+void efi_cons_putchar(int);
>+int efi_cons_getchar(void);
>+int efi_cons_poll(void);
>+int getchar(void);
> void putchar(int c);
> EFI_STATUS efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE* Xsystab);
> 
>@@ -53,12 +57,16 @@
> EFI_SYSTEM_TABLE *systab;
> EFI_BOOT_SERVICES *bs;
> static EFI_HANDLE *image;
>+static SIMPLE_TEXT_OUTPUT_INTERFACE	*conout;
>+static SIMPLE_INPUT_INTERFACE		*conin;
> 
> static EFI_GUID BlockIoProtocolGUID = BLOCK_IO_PROTOCOL;
> static EFI_GUID DevicePathGUID = DEVICE_PATH_PROTOCOL;
> static EFI_GUID LoadedImageGUID = LOADED_IMAGE_PROTOCOL;
>-static EFI_GUID ConsoleControlGUID = EFI_CONSOLE_CONTROL_PROTOCOL_GUID;
> 
>+#define DEFAULT_FGCOLOR EFI_LIGHTGRAY
>+#define DEFAULT_BGCOLOR EFI_BLACK
>+
> /*
>  * Provide Malloc / Free backed by EFIs AllocatePool / FreePool which ensures
>  * memory is correctly aligned avoiding EFI_INVALID_PARAMETER returns from
>@@ -350,6 +358,80 @@
> 	return (EFI_NOT_FOUND);
> }
> 
>+/* quick dirty work. */
>+#define	NUM_DEV_LIST	9
>+
>+static struct dev_list_t {
>+	const boot_module_t	*modp;
>+	dev_info_t	*devinfop;
>+} dev_list[NUM_DEV_LIST];
>+
>+static int
>+list_devices(void)
>+{
>+	UINTN i, j;
>+	dev_info_t *dev;
>+	const boot_module_t *mod;
>+
>+	j = 0;
>+	for (i = 0; i < NUM_BOOT_MODULES; i++) {
>+		if (boot_modules[i] == NULL)
>+			continue;
>+		mod = boot_modules[i];
>+		for (dev = mod->devices(); dev != NULL; dev = dev->next) {
>+			dev_list[j].devinfop = dev;
>+			dev_list[j].modp = mod;
>+			j++;
>+			if (j >= NUM_DEV_LIST)
>+			    break;
>+		}
>+	}
>+
>+	return (j);
>+}
>+
>+#define	SELECT_TIMEOUT	10
>+
>+static int
>+select_dev(int ndevs)
>+{
>+	int i, n;
>+	int c;
>+
>+	printf("  0: AutoSelected Partition (Default)\n"); 
>+	for (i = 0; i < ndevs; i++) {
>+		if (dev_list[i].devinfop->preferred == TRUE)
>+			c = '*';
>+		else
>+			c = ' ';
>+		printf(" %c%d: %s: %s\n", c, i+1, dev_list[i].modp->name,
>+		  devpath_str(dev_list[i].devinfop->devpath));
>+	}
>+	/* One digit selection only. Is this big enough ?? */
>+	while (1) {
>+		printf("Select from 0 to %d: Timeout in %d seconds", ndevs, SELECT_TIMEOUT);
>+		n = -1;
>+		for (i = 0; i < SELECT_TIMEOUT; i++) {
>+			bs->Stall(1000000);
>+			if (!efi_cons_poll()) { /* No Key */
>+				putchar('.');
>+				continue;
>+			}
>+			c = getchar();
>+			n = (c - '0') & 0xff;
>+			if ((n >= 0) && (n <= ndevs)) {
>+				putchar('\n');
>+				return (n);
>+			}
>+		}
>+		if (n < 0) {
>+			printf("\nTimeout. Partition is AutoSelected.\n");
>+			return (0);
>+		}
>+		printf("\nInvalid num. Try again.\n");
>+	}
>+}
>+
> /*
>  * try_boot only returns if it fails to load the loader. If it succeeds
>  * it simply boots, otherwise it returns the status of last EFI call.
>@@ -358,7 +440,7 @@
> try_boot()
> {
> 	size_t bufsize, loadersize, cmdsize;
>-	void *buf, *loaderbuf;
>+	void *buf = NULL, *loaderbuf = NULL;
> 	char *cmd;
> 	dev_info_t *dev;
> 	const boot_module_t *mod;
>@@ -365,15 +447,47 @@
> 	EFI_HANDLE loaderhandle;
> 	EFI_LOADED_IMAGE *loaded_image;
> 	EFI_STATUS status;
>+	int i, ndevs;
> 
>-	status = load_loader(&mod, &dev, &loaderbuf, &loadersize, TRUE);
>-	if (status != EFI_SUCCESS) {
>-		status = load_loader(&mod, &dev, &loaderbuf, &loadersize,
>-		    FALSE);
>+	ndevs = list_devices();
>+	if (ndevs == 0) {
>+		printf("Failed to load '%s'\n", PATH_LOADER_EFI);
>+		return (EFI_NOT_FOUND);
>+	} else if (ndevs == 1) {
>+		mod = dev_list[0].modp;
>+		dev = dev_list[0].devinfop;
>+		status = mod->load(PATH_LOADER_EFI, dev,
>+			 &loaderbuf, &loadersize);
> 		if (status != EFI_SUCCESS) {
> 			printf("Failed to load '%s'\n", PATH_LOADER_EFI);
> 			return (status);
> 		}
>+	} else {
>+		while (1) {
>+			i = select_dev(ndevs);	
>+			printf(" %d is selected.\n", i);
>+			if (i == 0) { /* AutoSelect */
>+				status = load_loader(&mod, &dev, &loaderbuf, &loadersize, TRUE);
>+				if (status != EFI_SUCCESS) {
>+					status = load_loader(&mod, &dev, &loaderbuf, &loadersize,
>+					    FALSE);
>+					if (status != EFI_SUCCESS) {
>+						printf("Failed to load '%s'\n", PATH_LOADER_EFI);
>+						return (status);
>+					}
>+				}
>+				break;
>+			} else {
>+				mod = dev_list[i-1].modp;
>+				dev = dev_list[i-1].devinfop;
>+				status = mod->load(PATH_LOADER_EFI, dev,
>+					 &loaderbuf, &loadersize);
>+				if (status == EFI_SUCCESS) 
>+					break;
>+				printf("Failed to load '%s'\n", PATH_LOADER_EFI);
>+			}
>+			printf("Please select again.\n");
>+		}
> 	}
> 
> 	/*
>@@ -423,6 +537,9 @@
> 	loaded_image->LoadOptionsSize = cmdsize;
> 	loaded_image->LoadOptions = cmd;
> 
>+	printf("Boot from: %s in 1 second\n", devpath_str(dev->devpath));
>+	bs->Stall(1000000);
>+
> 	DPRINTF("Starting '%s' in 5 seconds...", PATH_LOADER_EFI);
> 	DSTALL(1000000);
> 	DPRINTF(".");
>@@ -559,33 +676,21 @@
> 	DSTALL(500000);
> }
> 
>-EFI_STATUS
>-efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE *Xsystab)
>+static EFI_STATUS
>+init_console()
> {
>-	EFI_HANDLE *handles;
>-	EFI_LOADED_IMAGE *img;
>-	EFI_DEVICE_PATH *imgpath;
> 	EFI_STATUS status;
>-	EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl = NULL;
>-	SIMPLE_TEXT_OUTPUT_INTERFACE *conout = NULL;
>-	UINTN i, max_dim, best_mode, cols, rows, hsize, nhandles;
>+	UINTN i, max_dim, best_mode, cols, rows;
> 
>-	/* Basic initialization*/
>-	systab = Xsystab;
>-	image = Ximage;
>-	bs = Xsystab->BootServices;
>-
> 	/* Set up the console, so printf works. */
>-	status = bs->LocateProtocol(&ConsoleControlGUID, NULL,
>-	    (VOID **)&ConsoleControl);
>-	if (status == EFI_SUCCESS)
>-		(void)ConsoleControl->SetMode(ConsoleControl,
>-		    EfiConsoleControlScreenText);
> 	/*
> 	 * Reset the console and find the best text mode.
> 	 */
>+	conin = systab->ConIn;
> 	conout = systab->ConOut;
>+	conin->Reset(conin, TRUE);
> 	conout->Reset(conout, TRUE);
>+
> 	max_dim = best_mode = 0;
> 	for (i = 0; ; i++) {
> 		status = conout->QueryMode(conout, i, &cols, &rows);
>@@ -598,9 +703,31 @@
> 	}
> 	if (max_dim > 0)
> 		conout->SetMode(conout, best_mode);
>+
>+	conout->SetAttribute(conout, EFI_TEXT_ATTR(DEFAULT_FGCOLOR,
>+	    DEFAULT_BGCOLOR));
> 	conout->EnableCursor(conout, TRUE);
> 	conout->ClearScreen(conout);
> 
>+	return (status);
>+}
>+
>+EFI_STATUS
>+efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE *Xsystab)
>+{
>+	EFI_HANDLE *handles;
>+	EFI_LOADED_IMAGE *img;
>+	EFI_DEVICE_PATH *imgpath;
>+	EFI_STATUS status;
>+	UINTN i, hsize, nhandles;
>+
>+	/* Basic initialization*/
>+	systab = Xsystab;
>+	image = Ximage;
>+	bs = Xsystab->BootServices;
>+
>+	init_console();
>+
> 	printf("\n>> FreeBSD EFI boot block\n");
> 	printf("   Loader path: %s\n\n", PATH_LOADER_EFI);
> 	printf("   Initializing modules:");
>@@ -715,14 +842,57 @@
> void
> putchar(int c)
> {
>+	efi_cons_putchar(c);
>+}
>+
>+void
>+efi_cons_putchar(int c)
>+{
> 	CHAR16 buf[2];
> 
> 	if (c == '\n') {
> 		buf[0] = '\r';
> 		buf[1] = 0;
>-		systab->ConOut->OutputString(systab->ConOut, buf);
>+		conout->OutputString(conout, buf);
> 	}
> 	buf[0] = c;
> 	buf[1] = 0;
>-	systab->ConOut->OutputString(systab->ConOut, buf);
>+	conout->OutputString(conout, buf);
> }
>+
>+int
>+getchar(void)
>+{
>+	return efi_cons_getchar();
>+}
>+
>+
>+int
>+efi_cons_getchar()
>+{
>+	EFI_INPUT_KEY key;
>+	EFI_STATUS status;
>+	UINTN junk;
>+
>+	/* Try to read a key stroke. We wait for one if none is pending. */
>+	status = conin->ReadKeyStroke(conin, &key);
>+	if (status == EFI_NOT_READY) {
>+		bs->WaitForEvent(1, &conin->WaitForKey, &junk);
>+		status = conin->ReadKeyStroke(conin, &key);
>+	}
>+	switch (key.ScanCode) {
>+	case 0x17: /* ESC */
>+		return (0x1b);  /* esc */
>+	}
>+
>+	/* this can return  */
>+	return (key.UnicodeChar);
>+}
>+
>+int
>+efi_cons_poll()
>+{
>+	/* This can clear the signaled state. */
>+	return (bs->CheckEvent(conin->WaitForKey) == EFI_SUCCESS);
>+}
>+

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Attachments on bug 207940: 168070 | 168264 | 168291 | 169420 | 170131 | 170241 | 194818 | 201259 | 201260 | 205099 | 205561 | 205563 | 212457 | 212647 | 246766