Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 419 insertions, 0 deletions

diff --git a/roms/u-boot/lib/efi_loader/efi_device_path_to_text.c b/roms/u-boot/lib/efi_loader/efi_device_path_to_text.c
new file mode 100644
index 000000000..675e80bcb
--- /dev/null
+++ b/roms/u-boot/lib/efi_loader/efi_device_path_to_text.c
@@ -0,0 +1,419 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ *  EFI device path interface
+ *
+ *  Copyright (c) 2017 Heinrich Schuchardt
+ */
+
+#include <common.h>
+#include <blk.h>
+#include <efi_loader.h>
+
+#define MAC_OUTPUT_LEN 22
+#define UNKNOWN_OUTPUT_LEN 23
+
+#define MAX_NODE_LEN 512
+#define MAX_PATH_LEN 1024
+
+const efi_guid_t efi_guid_device_path_to_text_protocol =
+		EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID;
+
+/**
+ * efi_str_to_u16() - convert ASCII string to UTF-16
+ *
+ * A u16 buffer is allocated from pool. The ASCII string is copied to the u16
+ * buffer.
+ *
+ * @str:	ASCII string
+ * Return:	UTF-16 string. NULL if out of memory.
+ */
+static u16 *efi_str_to_u16(char *str)
+{
+	efi_uintn_t len;
+	u16 *out, *dst;
+	efi_status_t ret;
+
+	len = sizeof(u16) * (utf8_utf16_strlen(str) + 1);
+	ret = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, len, (void **)&out);
+	if (ret != EFI_SUCCESS)
+		return NULL;
+	dst = out;
+	utf8_utf16_strcpy(&dst, str);
+	return out;
+}
+
+static char *dp_unknown(char *s, struct efi_device_path *dp)
+{
+	s += sprintf(s, "UNKNOWN(%04x,%04x)", dp->type, dp->sub_type);
+	return s;
+}
+
+static char *dp_hardware(char *s, struct efi_device_path *dp)
+{
+	switch (dp->sub_type) {
+	case DEVICE_PATH_SUB_TYPE_MEMORY: {
+		struct efi_device_path_memory *mdp =
+			(struct efi_device_path_memory *)dp;
+		s += sprintf(s, "MemoryMapped(0x%x,0x%llx,0x%llx)",
+			     mdp->memory_type,
+			     mdp->start_address,
+			     mdp->end_address);
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_VENDOR: {
+		int i, n;
+		struct efi_device_path_vendor *vdp =
+			(struct efi_device_path_vendor *)dp;
+
+		s += sprintf(s, "VenHw(%pUl", &vdp->guid);
+		n = (int)vdp->dp.length - sizeof(struct efi_device_path_vendor);
+		/* Node must fit into MAX_NODE_LEN) */
+		if (n > 0 && n < MAX_NODE_LEN / 2 - 22) {
+			s += sprintf(s, ",");
+			for (i = 0; i < n; ++i)
+				s += sprintf(s, "%02x", vdp->vendor_data[i]);
+		}
+		s += sprintf(s, ")");
+		break;
+	}
+	default:
+		s = dp_unknown(s, dp);
+		break;
+	}
+	return s;
+}
+
+static char *dp_acpi(char *s, struct efi_device_path *dp)
+{
+	switch (dp->sub_type) {
+	case DEVICE_PATH_SUB_TYPE_ACPI_DEVICE: {
+		struct efi_device_path_acpi_path *adp =
+			(struct efi_device_path_acpi_path *)dp;
+
+		s += sprintf(s, "Acpi(PNP%04X,%d)", EISA_PNP_NUM(adp->hid),
+			     adp->uid);
+		break;
+	}
+	default:
+		s = dp_unknown(s, dp);
+		break;
+	}
+	return s;
+}
+
+static char *dp_msging(char *s, struct efi_device_path *dp)
+{
+	switch (dp->sub_type) {
+	case DEVICE_PATH_SUB_TYPE_MSG_ATAPI: {
+		struct efi_device_path_atapi *ide =
+			(struct efi_device_path_atapi *)dp;
+		s += sprintf(s, "Ata(%d,%d,%d)", ide->primary_secondary,
+			     ide->slave_master, ide->logical_unit_number);
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_SCSI: {
+		struct efi_device_path_scsi *ide =
+			(struct efi_device_path_scsi *)dp;
+		s += sprintf(s, "Scsi(%u,%u)", ide->target_id,
+			     ide->logical_unit_number);
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_UART: {
+		struct efi_device_path_uart *uart =
+			(struct efi_device_path_uart *)dp;
+		s += sprintf(s, "Uart(%lld,%d,%d,", uart->baud_rate,
+			     uart->data_bits, uart->parity);
+		switch (uart->stop_bits) {
+		case 2:
+			s += sprintf(s, "1.5)");
+			break;
+		default:
+			s += sprintf(s, "%d)", uart->stop_bits);
+			break;
+		}
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_USB: {
+		struct efi_device_path_usb *udp =
+			(struct efi_device_path_usb *)dp;
+		s += sprintf(s, "USB(0x%x,0x%x)", udp->parent_port_number,
+			     udp->usb_interface);
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR: {
+		int i, n = sizeof(struct efi_mac_addr);
+		struct efi_device_path_mac_addr *mdp =
+			(struct efi_device_path_mac_addr *)dp;
+
+		if (mdp->if_type <= 1)
+			n = 6;
+		s += sprintf(s, "MAC(");
+		for (i = 0; i < n; ++i)
+			s += sprintf(s, "%02x", mdp->mac.addr[i]);
+		s += sprintf(s, ",%u)", mdp->if_type);
+
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS: {
+		struct efi_device_path_usb_class *ucdp =
+			(struct efi_device_path_usb_class *)dp;
+
+		s += sprintf(s, "UsbClass(0x%x,0x%x,0x%x,0x%x,0x%x)",
+			ucdp->vendor_id, ucdp->product_id,
+			ucdp->device_class, ucdp->device_subclass,
+			ucdp->device_protocol);
+
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_SATA: {
+		struct efi_device_path_sata *sdp =
+			(struct efi_device_path_sata *) dp;
+
+		s += sprintf(s, "Sata(0x%x,0x%x,0x%x)",
+			     sdp->hba_port,
+			     sdp->port_multiplier_port,
+			     sdp->logical_unit_number);
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_NVME: {
+		struct efi_device_path_nvme *ndp =
+			(struct efi_device_path_nvme *)dp;
+		u32 ns_id;
+		int i;
+
+		memcpy(&ns_id, &ndp->ns_id, sizeof(ns_id));
+		s += sprintf(s, "NVMe(0x%x,", ns_id);
+		for (i = 0; i < sizeof(ndp->eui64); ++i)
+			s += sprintf(s, "%s%02x", i ? "-" : "",
+				     ndp->eui64[i]);
+		s += sprintf(s, ")");
+
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_MSG_SD:
+	case DEVICE_PATH_SUB_TYPE_MSG_MMC: {
+		const char *typename =
+			(dp->sub_type == DEVICE_PATH_SUB_TYPE_MSG_SD) ?
+					"SD" : "eMMC";
+		struct efi_device_path_sd_mmc_path *sddp =
+			(struct efi_device_path_sd_mmc_path *)dp;
+		s += sprintf(s, "%s(%u)", typename, sddp->slot_number);
+		break;
+	}
+	default:
+		s = dp_unknown(s, dp);
+		break;
+	}
+	return s;
+}
+
+/*
+ * Convert a media device path node to text.
+ *
+ * @s		output buffer
+ * @dp		device path node
+ * @return	next unused buffer address
+ */
+static char *dp_media(char *s, struct efi_device_path *dp)
+{
+	switch (dp->sub_type) {
+	case DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH: {
+		struct efi_device_path_hard_drive_path *hddp =
+			(struct efi_device_path_hard_drive_path *)dp;
+		void *sig = hddp->partition_signature;
+		u64 start;
+		u64 end;
+
+		/* Copy from packed structure to aligned memory */
+		memcpy(&start, &hddp->partition_start, sizeof(start));
+		memcpy(&end, &hddp->partition_end, sizeof(end));
+
+		switch (hddp->signature_type) {
+		case SIG_TYPE_MBR: {
+			u32 signature;
+
+			memcpy(&signature, sig, sizeof(signature));
+			s += sprintf(
+				s, "HD(%d,MBR,0x%08x,0x%llx,0x%llx)",
+				hddp->partition_number, signature, start, end);
+			break;
+			}
+		case SIG_TYPE_GUID:
+			s += sprintf(
+				s, "HD(%d,GPT,%pUl,0x%llx,0x%llx)",
+				hddp->partition_number, sig, start, end);
+			break;
+		default:
+			s += sprintf(
+				s, "HD(%d,0x%02x,0,0x%llx,0x%llx)",
+				hddp->partition_number, hddp->partmap_type,
+				start, end);
+			break;
+		}
+
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_CDROM_PATH: {
+		struct efi_device_path_cdrom_path *cddp =
+			(struct efi_device_path_cdrom_path *)dp;
+		s += sprintf(s, "CDROM(%u,0x%llx,0x%llx)", cddp->boot_entry,
+			     cddp->partition_start, cddp->partition_size);
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_VENDOR_PATH: {
+		int i, n;
+		struct efi_device_path_vendor *vdp =
+			(struct efi_device_path_vendor *)dp;
+
+		s += sprintf(s, "VenMedia(%pUl", &vdp->guid);
+		n = (int)vdp->dp.length - sizeof(struct efi_device_path_vendor);
+		/* Node must fit into MAX_NODE_LEN) */
+		if (n > 0 && n < MAX_NODE_LEN / 2 - 24) {
+			s += sprintf(s, ",");
+			for (i = 0; i < n; ++i)
+				s += sprintf(s, "%02x", vdp->vendor_data[i]);
+		}
+		s += sprintf(s, ")");
+		break;
+	}
+	case DEVICE_PATH_SUB_TYPE_FILE_PATH: {
+		struct efi_device_path_file_path *fp =
+			(struct efi_device_path_file_path *)dp;
+		int slen = (dp->length - sizeof(*dp)) / 2;
+		if (slen > MAX_NODE_LEN - 2)
+			slen = MAX_NODE_LEN - 2;
+		s += sprintf(s, "%-.*ls", slen, fp->str);
+		break;
+	}
+	default:
+		s = dp_unknown(s, dp);
+		break;
+	}
+	return s;
+}
+
+/*
+ * Converts a single node to a char string.
+ *
+ * @buffer		output buffer
+ * @dp			device path or node
+ * @return		end of string
+ */
+static char *efi_convert_single_device_node_to_text(
+		char *buffer,
+		struct efi_device_path *dp)
+{
+	char *str = buffer;
+
+	switch (dp->type) {
+	case DEVICE_PATH_TYPE_HARDWARE_DEVICE:
+		str = dp_hardware(str, dp);
+		break;
+	case DEVICE_PATH_TYPE_ACPI_DEVICE:
+		str = dp_acpi(str, dp);
+		break;
+	case DEVICE_PATH_TYPE_MESSAGING_DEVICE:
+		str = dp_msging(str, dp);
+		break;
+	case DEVICE_PATH_TYPE_MEDIA_DEVICE:
+		str = dp_media(str, dp);
+		break;
+	case DEVICE_PATH_TYPE_END:
+		break;
+	default:
+		str = dp_unknown(str, dp);
+	}
+
+	*str = '\0';
+	return str;
+}
+
+/*
+ * This function implements the ConvertDeviceNodeToText service of the
+ * EFI_DEVICE_PATH_TO_TEXT_PROTOCOL.
+ * See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * device_node		device node to be converted
+ * display_only		true if the shorter text representation shall be used
+ * allow_shortcuts	true if shortcut forms may be used
+ * @return		text representation of the device path
+ *			NULL if out of memory of device_path is NULL
+ */
+static uint16_t EFIAPI *efi_convert_device_node_to_text(
+		struct efi_device_path *device_node,
+		bool display_only,
+		bool allow_shortcuts)
+{
+	char str[MAX_NODE_LEN];
+	uint16_t *text = NULL;
+
+	EFI_ENTRY("%p, %d, %d", device_node, display_only, allow_shortcuts);
+
+	if (!device_node)
+		goto out;
+	efi_convert_single_device_node_to_text(str, device_node);
+
+	text = efi_str_to_u16(str);
+
+out:
+	EFI_EXIT(EFI_SUCCESS);
+	return text;
+}
+
+/*
+ * This function implements the ConvertDevicePathToText service of the
+ * EFI_DEVICE_PATH_TO_TEXT_PROTOCOL.
+ * See the Unified Extensible Firmware Interface (UEFI) specification
+ * for details.
+ *
+ * device_path		device path to be converted
+ * display_only		true if the shorter text representation shall be used
+ * allow_shortcuts	true if shortcut forms may be used
+ * @return		text representation of the device path
+ *			NULL if out of memory of device_path is NULL
+ */
+static uint16_t EFIAPI *efi_convert_device_path_to_text(
+		struct efi_device_path *device_path,
+		bool display_only,
+		bool allow_shortcuts)
+{
+	uint16_t *text = NULL;
+	char buffer[MAX_PATH_LEN];
+	char *str = buffer;
+
+	EFI_ENTRY("%p, %d, %d", device_path, display_only, allow_shortcuts);
+
+	if (!device_path)
+		goto out;
+	while (device_path && str + MAX_NODE_LEN < buffer + MAX_PATH_LEN) {
+		if (device_path->type == DEVICE_PATH_TYPE_END) {
+			if (device_path->sub_type !=
+			    DEVICE_PATH_SUB_TYPE_INSTANCE_END)
+				break;
+			*str++ = ',';
+		} else {
+			*str++ = '/';
+			str = efi_convert_single_device_node_to_text(
+							str, device_path);
+		}
+		*(u8 **)&device_path += device_path->length;
+	}
+
+	text = efi_str_to_u16(buffer);
+
+out:
+	EFI_EXIT(EFI_SUCCESS);
+	return text;
+}
+
+/* helper for debug prints.. efi_free_pool() the result. */
+uint16_t *efi_dp_str(struct efi_device_path *dp)
+{
+	return EFI_CALL(efi_convert_device_path_to_text(dp, true, true));
+}
+
+const struct efi_device_path_to_text_protocol efi_device_path_to_text = {
+	.convert_device_node_to_text = efi_convert_device_node_to_text,
+	.convert_device_path_to_text = efi_convert_device_path_to_text,
+};