summaryrefslogtreecommitdiffstats
path: root/tboot/include/eficonfig.h
diff options
context:
space:
mode:
Diffstat (limited to 'tboot/include/eficonfig.h')
-rw-r--r--tboot/include/eficonfig.h109
1 files changed, 109 insertions, 0 deletions
diff --git a/tboot/include/eficonfig.h b/tboot/include/eficonfig.h
new file mode 100644
index 0000000..fc2cf16
--- /dev/null
+++ b/tboot/include/eficonfig.h
@@ -0,0 +1,109 @@
+/*
+ * eficonfig.h: EFI related config definitions.
+ *
+ * Copyright (c) 2017 Assured Information Security.
+ *
+ * Ross Philipson <philipsonr@ainfosec.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of the Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __EFI_CONFIG_H__
+#define __EFI_CONFIG_H__
+
+#define EFI_MAX_PATH 512
+#define EFI_MAX_CONFIG_FILE 1024 /* plenty of room for a config file */
+
+/* TBOOT config */
+#define SECTION_TBOOT "tboot"
+# define ITEM_OPTIONS "options"
+# define ITEM_XENPATH "xenpath"
+# define ITEM_LCP "lcp"
+#define SECTION_ACM "acm"
+#define SECTION_RACM "racm"
+
+/* Xen config */
+#define SECTION_GLOBAL "global"
+# define ITEM_DEFAULT "default"
+# define ITEM_KERNEL "kernel"
+
+enum {
+ EFI_CONFIG_TBOOT = 0,
+ EFI_CONFIG_TBOOT_PARSED,
+ EFI_CONFIG_XEN,
+ EFI_CONFIG_XEN_PARSED,
+ EFI_CONFIG_MAX
+};
+
+typedef struct {
+ union {
+ char *buffer;
+ EFI_PHYSICAL_ADDRESS addr;
+ } u;
+ uint64_t size;
+} efi_file_t;
+
+wchar_t g_tboot_dir[EFI_MAX_PATH];
+bool g_post_ebs;
+const char *g_kernel_cmdline;
+
+/* Locations of runtime offsets */
+void *g_rtmem_base;
+void *g_image_base;
+uint64_t g_image_size;
+void *g_text_base;
+uint64_t g_text_size;
+void *g_bss_base;
+uint64_t g_bss_size;
+
+void efi_cfg_init(void);
+efi_file_t *efi_get_configs(void);
+void efi_cfg_pre_parse(efi_file_t *config);
+char *efi_cfg_get_value(int index, const char *section,
+ const char *item);
+
+bool efi_split_kernel_line(void);
+bool efi_cfg_copy_tboot_path(const wchar_t *file_path);
+
+const efi_file_t *efi_get_platform_sinit(void);
+const efi_file_t *efi_get_platform_racm(void);
+const efi_file_t *efi_get_lcp(void);
+void efi_store_files(const efi_file_t *platform_sinit,
+ const efi_file_t *platform_racm,
+ const efi_file_t *lcp);
+
+const efi_file_t *efi_get_xen(void);
+const efi_file_t *efi_get_kernel(void);
+const efi_file_t *efi_get_ramdisk(void);
+const void *efi_get_memory_map(uint64_t *size_out, uint64_t *size_desc_out);
+uint64_t efi_get_xen_post_launch_cb(void);
+
+void efi_store_xen_info(void *base, uint64_t size);
+bool efi_store_xen_tboot_data(efi_xen_tboot_data_t *xtd);
+
+#endif /* __EFI_CONFIG_H__ */