diff --git a/ChangeLog b/ChangeLog index aa2b0f5..50c48e6 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,23 @@ 2009-08-24 Vladimir Serbinenko + Eliminate ad-hoc tree format in XNU and EfiEmu. + + * efiemu/main.c (grub_efiemu_prepare): Update comment. + * efiemu/pnvram.c: Rewritten to use environment variables. + All users updated. + * include/grub/xnu.h (grub_xnu_fill_devicetree): New prototype. + * loader/i386/xnu.c (grub_xnu_boot): Call grub_cpu_xnu_fill_devicetree + and grub_xnu_fill_devicetree. + * loader/xnu.c (grub_cmd_xnu_kernel): Don't call + grub_cpu_xnu_fill_devicetree. + (grub_xnu_parse_devtree): Removed. + (grub_cmd_xnu_devtree): Likewise. + (hextoval): New function. + (unescape): Likewise. + (grub_xnu_fill_devicetree): Likewise. + +2009-08-24 Vladimir Serbinenko + UTF-8 to UTF-16 transformation. * conf/common.rmk (pkglib_MODULES): Add utf.mod diff --git a/efiemu/main.c b/efiemu/main.c index b5608e6..25d449c 100644 --- a/efiemu/main.c +++ b/efiemu/main.c @@ -282,7 +282,7 @@ grub_efiemu_prepare (void) err = grub_efiemu_autocore (); - /* Create NVRAM if not yet done. */ + /* Create NVRAM. */ grub_efiemu_pnvram (); if (grub_efiemu_sizeof_uintn_t () == 4) @@ -316,9 +316,6 @@ grub_cmd_efiemu_load (grub_command_t cmd __attribute__ ((unused)), static grub_command_t cmd_loadcore, cmd_prepare, cmd_unload; -void -grub_efiemu_pnvram_cmd_register (void); - GRUB_MOD_INIT(efiemu) { cmd_loadcore = grub_register_command ("efiemu_loadcore", @@ -332,7 +329,6 @@ GRUB_MOD_INIT(efiemu) cmd_unload = grub_register_command ("efiemu_unload", grub_cmd_efiemu_unload, "efiemu_unload", "Unload EFI emulator"); - grub_efiemu_pnvram_cmd_register (); } GRUB_MOD_FINI(efiemu) @@ -340,5 +336,4 @@ GRUB_MOD_FINI(efiemu) grub_unregister_command (cmd_loadcore); grub_unregister_command (cmd_prepare); grub_unregister_command (cmd_unload); - grub_efiemu_pnvram_cmd_unregister (); } diff --git a/efiemu/pnvram.c b/efiemu/pnvram.c index 04ad6e2..8e2c4aa 100644 --- a/efiemu/pnvram.c +++ b/efiemu/pnvram.c @@ -18,6 +18,7 @@ */ #include +#include #include #include #include @@ -34,62 +35,181 @@ static int timezone_handle = 0; static int accuracy_handle = 0; static int daylight_handle = 0; -/* Temporary place */ -static grub_uint8_t *nvram; static grub_size_t nvramsize; -static grub_uint32_t high_monotonic_count; -static grub_int16_t timezone; -static grub_uint8_t daylight; -static grub_uint32_t accuracy; - -static const struct grub_arg_option options[] = { - {"size", 's', 0, "number of bytes to reserve for pseudo NVRAM", 0, - ARG_TYPE_INT}, - {"high-monotonic-count", 'm', 0, - "Initial value of high monotonic count", 0, ARG_TYPE_INT}, - {"timezone", 't', 0, - "Timezone, offset in minutes from GMT", 0, ARG_TYPE_INT}, - {"accuracy", 'a', 0, - "Accuracy of clock, in 1e-12 units", 0, ARG_TYPE_INT}, - {"daylight", 'd', 0, - "Daylight value, as per EFI specifications", 0, ARG_TYPE_INT}, - {0, 0, 0, 0, 0, 0} -}; /* Parse signed value */ static int -grub_strtosl (char *arg, char **end, int base) +grub_strtosl (const char *arg, char **end, int base) { if (arg[0] == '-') return -grub_strtoul (arg + 1, end, base); return grub_strtoul (arg, end, base); } +static inline int +hextoval (char c) +{ + if (c >= '0' && c <= '9') + return c - '0'; + if (c >= 'a' && c <= 'z') + return c - 'a' + 10; + if (c >= 'A' && c <= 'Z') + return c - 'A' + 10; + return 0; +} + +static inline grub_err_t +unescape (char *in, char *out, char *outmax, int *len) +{ + char *ptr, *dptr; + dptr = out; + for (ptr = in; *ptr && dptr < outmax; ) + if (*ptr == '%' && ptr[1] && ptr[2]) + { + *dptr = (hextoval (ptr[1]) << 4) | (hextoval (ptr[2])); + ptr += 3; + dptr++; + } + else + { + *dptr = *ptr; + ptr++; + dptr++; + } + if (dptr == outmax) + return grub_error (GRUB_ERR_OUT_OF_MEMORY, + "Too many NVRAM variables for reserved variable space." + " Try increasing EfiEmu.pnvram.size."); + *len = dptr - out; + return 0; +} + /* Export stuff for efiemu */ static grub_err_t nvram_set (void * data __attribute__ ((unused))) { + const char *env; /* Take definitive pointers */ - grub_uint8_t *nvram_def = grub_efiemu_mm_obtain_request (nvram_handle); + char *nvram = grub_efiemu_mm_obtain_request (nvram_handle); grub_uint32_t *nvramsize_def = grub_efiemu_mm_obtain_request (nvramsize_handle); - grub_uint32_t *high_monotonic_count_def + grub_uint32_t *high_monotonic_count = grub_efiemu_mm_obtain_request (high_monotonic_count_handle); - grub_int16_t *timezone_def + grub_int16_t *timezone = grub_efiemu_mm_obtain_request (timezone_handle); - grub_uint8_t *daylight_def + grub_uint8_t *daylight = grub_efiemu_mm_obtain_request (daylight_handle); - grub_uint32_t *accuracy_def + grub_uint32_t *accuracy = grub_efiemu_mm_obtain_request (accuracy_handle); + char *nvramptr; + + auto int iterate_env (struct grub_env_var *var); + int iterate_env (struct grub_env_var *var) + { + char *guid, *attr, *name, *varname; + struct efi_variable *efivar; + int len = 0; + + if (grub_memcmp (var->name, "EfiEmu.pnvram.", + sizeof ("EfiEmu.pnvram.") - 1) != 0) + return 0; + + guid = var->name + sizeof ("EfiEmu.pnvram.") - 1; + + attr = grub_strchr (guid, '.'); + if (!attr) + return 0; + attr++; + + name = grub_strchr (attr, '.'); + if (!name) + return 0; + name++; + + efivar = (struct efi_variable *) nvramptr; + if (nvramptr - nvram + sizeof (struct efi_variable) > nvramsize) + { + grub_error (GRUB_ERR_OUT_OF_MEMORY, + "Too many NVRAM variables for reserved variable space." + " Try increasing EfiEmu.pnvram.size."); + return 1; + } + + nvramptr += sizeof (struct efi_variable); + + efivar->guid.data1 = grub_cpu_to_le32 (grub_strtoul (guid, &guid, 16)); + if (*guid != '-') + return 0; + guid++; + + efivar->guid.data2 = grub_cpu_to_le16 (grub_strtoul (guid, &guid, 16)); + if (*guid != '-') + return 0; + guid++; + + efivar->guid.data3 = grub_cpu_to_le16 (grub_strtoul (guid, &guid, 16)); + if (*guid != '-') + return 0; + guid++; + + *(grub_uint64_t *) &(efivar->guid.data4) + = grub_cpu_to_be64 (grub_strtoull (guid, 0, 16)); + + efivar->attributes = grub_strtoull (attr, 0, 16); + + varname = grub_malloc (grub_strlen (name) + 1); + if (! varname) + return 1; + + if (unescape (name, varname, varname + grub_strlen (name) + 1, &len)) + return 1; + + len = grub_utf8_to_utf16 ((grub_uint16_t *) nvramptr, + (nvramsize - (nvramptr - nvram)) / 2, + (grub_uint8_t *) varname, len, NULL); + + if (len < 0) + { + grub_error (GRUB_ERR_BAD_ARGUMENT, "Broken UTF-8 in variable name\n"); + return 1; + } + + nvramptr += 2 * len; + *((grub_uint16_t *) nvramptr) = 0; + nvramptr += 2; + efivar->namelen = 2 * len + 2; + + if (unescape (var->value, nvramptr, nvram + nvramsize, &len)) + { + efivar->namelen = 0; + return 1; + } + + nvramptr += len; + + efivar->size = len; + + return 0; + } /* Copy to definitive loaction */ grub_dprintf ("efiemu", "preparing pnvram\n"); - grub_memcpy (nvram_def, nvram, nvramsize); + + env = grub_env_get ("EfiEmu.pnvram.high_monotonic_count"); + *high_monotonic_count = env ? grub_strtoul (env, 0, 0) : 1; + env = grub_env_get ("EfiEmu.pnvram.timezone"); + *timezone = env ? grub_strtosl (env, 0, 0) : GRUB_EFI_UNSPECIFIED_TIMEZONE; + env = grub_env_get ("EfiEmu.pnvram.accuracy"); + *accuracy = env ? grub_strtoul (env, 0, 0) : 50000000; + env = grub_env_get ("EfiEmu.pnvram.daylight"); + *daylight = env ? grub_strtoul (env, 0, 0) : 0; + + nvramptr = nvram; + grub_memset (nvram, 0, nvramsize); + grub_env_iterate (iterate_env); + if (grub_errno) + return grub_errno; *nvramsize_def = nvramsize; - *high_monotonic_count_def = high_monotonic_count; - *timezone_def = timezone; - *daylight_def = daylight; - *accuracy_def = accuracy; /* Register symbols */ grub_efiemu_register_symbol ("efiemu_variables", nvram_handle, 0); @@ -113,197 +233,27 @@ nvram_unload (void * data __attribute__ ((unused))) grub_efiemu_mm_return_request (timezone_handle); grub_efiemu_mm_return_request (accuracy_handle); grub_efiemu_mm_return_request (daylight_handle); - - grub_free (nvram); - nvram = 0; } -/* Load the variables file It's in format - guid1:attr1:name1:data1; - guid2:attr2:name2:data2; - ... - Where all fields are in hex -*/ -static grub_err_t -read_pnvram (char *filename) +grub_err_t +grub_efiemu_pnvram (void) { - char *buf, *ptr, *ptr2; - grub_file_t file; - grub_size_t size; - grub_uint8_t *nvramptr = nvram; - struct efi_variable *efivar; - grub_size_t guidlen, datalen; - unsigned i, j; - - file = grub_file_open (filename); - if (!file) - return grub_error (GRUB_ERR_BAD_OS, "couldn't read pnvram"); - size = grub_file_size (file); - buf = grub_malloc (size + 1); - if (!buf) - return grub_error (GRUB_ERR_OUT_OF_MEMORY, "couldn't read pnvram"); - if (grub_file_read (file, buf, size) != (grub_ssize_t) size) - return grub_error (GRUB_ERR_BAD_OS, "couldn't read pnvram"); - buf[size] = 0; - grub_file_close (file); - - for (ptr = buf; *ptr; ) - { - if (grub_isspace (*ptr)) - { - ptr++; - continue; - } - - efivar = (struct efi_variable *) nvramptr; - if (nvramptr - nvram + sizeof (struct efi_variable) > nvramsize) - return grub_error (GRUB_ERR_OUT_OF_MEMORY, - "file is too large for reserved variable space"); - - nvramptr += sizeof (struct efi_variable); - - /* look ahow long guid field is*/ - guidlen = 0; - for (ptr2 = ptr; (grub_isspace (*ptr2) - || (*ptr2 >= '0' && *ptr2 <= '9') - || (*ptr2 >= 'a' && *ptr2 <= 'f') - || (*ptr2 >= 'A' && *ptr2 <= 'F')); - ptr2++) - if (!grub_isspace (*ptr2)) - guidlen++; - guidlen /= 2; - - /* Read guid */ - if (guidlen != sizeof (efivar->guid)) - { - grub_free (buf); - return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename); - } - for (i = 0; i < 2 * sizeof (efivar->guid); i++) - { - int hex = 0; - while (grub_isspace (*ptr)) - ptr++; - if (*ptr >= '0' && *ptr <= '9') - hex = *ptr - '0'; - if (*ptr >= 'a' && *ptr <= 'f') - hex = *ptr - 'a' + 10; - if (*ptr >= 'A' && *ptr <= 'F') - hex = *ptr - 'A' + 10; - - if (i%2 == 0) - ((grub_uint8_t *)&(efivar->guid))[i/2] = hex << 4; - else - ((grub_uint8_t *)&(efivar->guid))[i/2] |= hex; - ptr++; - } - - while (grub_isspace (*ptr)) - ptr++; - if (*ptr != ':') - { - grub_dprintf ("efiemu", "Not colon\n"); - grub_free (buf); - return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename); - } - ptr++; - while (grub_isspace (*ptr)) - ptr++; - - /* Attributes can be just parsed by existing functions */ - efivar->attributes = grub_strtoul (ptr, &ptr, 16); - - while (grub_isspace (*ptr)) - ptr++; - if (*ptr != ':') - { - grub_dprintf ("efiemu", "Not colon\n"); - grub_free (buf); - return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename); - } - ptr++; - while (grub_isspace (*ptr)) - ptr++; + const char *size; + grub_err_t err; - /* Read name and value */ - for (j = 0; j < 2; j++) - { - /* Look the length */ - datalen = 0; - for (ptr2 = ptr; *ptr2 && (grub_isspace (*ptr2) - || (*ptr2 >= '0' && *ptr2 <= '9') - || (*ptr2 >= 'a' && *ptr2 <= 'f') - || (*ptr2 >= 'A' && *ptr2 <= 'F')); - ptr2++) - if (!grub_isspace (*ptr2)) - datalen++; - datalen /= 2; - - if (nvramptr - nvram + datalen > nvramsize) - { - grub_free (buf); - return grub_error (GRUB_ERR_OUT_OF_MEMORY, - "file is too large for reserved " - " variable space"); - } - - for (i = 0; i < 2 * datalen; i++) - { - int hex = 0; - while (grub_isspace (*ptr)) - ptr++; - if (*ptr >= '0' && *ptr <= '9') - hex = *ptr - '0'; - if (*ptr >= 'a' && *ptr <= 'f') - hex = *ptr - 'a' + 10; - if (*ptr >= 'A' && *ptr <= 'F') - hex = *ptr - 'A' + 10; - - if (i%2 == 0) - nvramptr[i/2] = hex << 4; - else - nvramptr[i/2] |= hex; - ptr++; - } - nvramptr += datalen; - while (grub_isspace (*ptr)) - ptr++; - if (*ptr != (j ? ';' : ':')) - { - grub_free (buf); - grub_dprintf ("efiemu", j?"Not semicolon\n":"Not colon\n"); - return grub_error (GRUB_ERR_BAD_OS, "can't parse %s", filename); - } - if (j) - efivar->size = datalen; - else - efivar->namelen = datalen; - - ptr++; - } - } - grub_free (buf); - return GRUB_ERR_NONE; -} + nvramsize = 0; -static grub_err_t -grub_efiemu_make_nvram (void) -{ - grub_err_t err; + size = grub_env_get ("EfiEmu.pnvram.size"); + if (size) + nvramsize = grub_strtoul (size, 0, 0); - err = grub_efiemu_autocore (); - if (err) - { - grub_free (nvram); - return err; - } + if (!nvramsize) + nvramsize = 2048; err = grub_efiemu_register_prepare_hook (nvram_set, nvram_unload, 0); if (err) - { - grub_free (nvram); - return err; - } + return err; + nvram_handle = grub_efiemu_request_memalign (1, nvramsize, GRUB_EFI_RUNTIME_SERVICES_DATA); @@ -326,75 +276,3 @@ grub_efiemu_make_nvram (void) grub_efiemu_request_symbols (6); return GRUB_ERR_NONE; } - -grub_err_t -grub_efiemu_pnvram (void) -{ - if (nvram) - return GRUB_ERR_NONE; - - nvramsize = 2048; - high_monotonic_count = 1; - timezone = GRUB_EFI_UNSPECIFIED_TIMEZONE; - accuracy = 50000000; - daylight = 0; - - nvram = grub_zalloc (nvramsize); - if (!nvram) - return grub_error (GRUB_ERR_OUT_OF_MEMORY, - "Couldn't allocate space for temporary pnvram storage"); - - return grub_efiemu_make_nvram (); -} - -static grub_err_t -grub_cmd_efiemu_pnvram (struct grub_extcmd *cmd, - int argc, char **args) -{ - struct grub_arg_list *state = cmd->state; - grub_err_t err; - - if (argc > 1) - return grub_error (GRUB_ERR_BAD_ARGUMENT, "only one argument expected"); - - nvramsize = state[0].set ? grub_strtoul (state[0].arg, 0, 0) : 2048; - high_monotonic_count = state[1].set ? grub_strtoul (state[1].arg, 0, 0) : 1; - timezone = state[2].set ? grub_strtosl (state[2].arg, 0, 0) - : GRUB_EFI_UNSPECIFIED_TIMEZONE; - accuracy = state[3].set ? grub_strtoul (state[3].arg, 0, 0) : 50000000; - daylight = state[4].set ? grub_strtoul (state[4].arg, 0, 0) : 0; - - nvram = grub_zalloc (nvramsize); - if (!nvram) - return grub_error (GRUB_ERR_OUT_OF_MEMORY, - "Couldn't allocate space for temporary pnvram storage"); - - if (argc == 1 && (err = read_pnvram (args[0]))) - { - grub_free (nvram); - return err; - } - return grub_efiemu_make_nvram (); -} - -static grub_extcmd_t cmd; - -void grub_efiemu_pnvram_cmd_register (void); -void grub_efiemu_pnvram_cmd_unregister (void); - -void -grub_efiemu_pnvram_cmd_register (void) -{ - cmd = grub_register_extcmd ("efiemu_pnvram", grub_cmd_efiemu_pnvram, - GRUB_COMMAND_FLAG_BOTH, - "efiemu_pnvram [FILENAME]", - "Initialise pseudo-NVRAM and load variables " - "from FILE", - options); -} - -void -grub_efiemu_pnvram_cmd_unregister (void) -{ - grub_unregister_extcmd (cmd); -} diff --git a/include/grub/xnu.h b/include/grub/xnu.h index c3902e6..2abafac 100644 --- a/include/grub/xnu.h +++ b/include/grub/xnu.h @@ -100,6 +100,7 @@ grub_err_t grub_xnu_scan_dir_for_kexts (char *dirname, char *osbundlerequired, grub_err_t grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired, int maxrecursion); void *grub_xnu_heap_malloc (int size); +grub_err_t grub_xnu_fill_devicetree (void); extern grub_uint32_t grub_xnu_heap_real_start; extern grub_size_t grub_xnu_heap_size; extern char *grub_xnu_heap_start; diff --git a/loader/i386/xnu.c b/loader/i386/xnu.c index 06e375c..686634b 100644 --- a/loader/i386/xnu.c +++ b/loader/i386/xnu.c @@ -439,6 +439,14 @@ grub_xnu_boot (void) grub_size_t devtreelen; int i; + err = grub_cpu_xnu_fill_devicetree (); + if (err) + return err; + + err = grub_xnu_fill_devicetree (); + if (err) + return err; + /* Page-align to avoid following parts to be inadvertently freed. */ err = grub_xnu_align_heap (GRUB_XNU_PAGESIZE); if (err) diff --git a/loader/xnu.c b/loader/xnu.c index aac4ae3..87574fd 100644 --- a/loader/xnu.c +++ b/loader/xnu.c @@ -31,6 +31,7 @@ #include #include #include +#include struct grub_xnu_devtree_key *grub_xnu_devtree_root = 0; static int driverspackagenum = 0; @@ -436,10 +437,6 @@ grub_cmd_xnu_kernel (grub_command_t cmd __attribute__ ((unused)), if (ptr != grub_xnu_cmdline) *(ptr - 1) = 0; - err = grub_cpu_xnu_fill_devicetree (); - if (err) - return err; - grub_loader_set (grub_xnu_boot, grub_xnu_unload, 0); grub_xnu_lock (); @@ -739,135 +736,6 @@ grub_cmd_xnu_ramdisk (grub_command_t cmd __attribute__ ((unused)), return grub_xnu_register_memory ("RAMDisk", 0, loadto, size); } -/* Parse a devtree file. It uses the following format: - valuename:valuedata; - keyname{ - contents - } - keyname, valuename and valuedata are in hex. - */ -static char * -grub_xnu_parse_devtree (struct grub_xnu_devtree_key **parent, - char *start, char *end) -{ - char *ptr, *ptr2; - char *name, *data; - int namelen, datalen, i; - for (ptr = start; ptr && ptr < end; ) - { - if (grub_isspace (*ptr)) - { - ptr++; - continue; - } - if (*ptr == '}') - return ptr + 1; - namelen = 0; - - /* Parse the name. */ - for (ptr2 = ptr; ptr2 < end && (grub_isspace (*ptr2) - || (*ptr2 >= '0' && *ptr2 <= '9') - || (*ptr2 >= 'a' && *ptr2 <= 'f') - || (*ptr2 >= 'A' && *ptr2 <= 'F')); - ptr2++) - if (! grub_isspace (*ptr2)) - namelen++; - if (ptr2 == end) - return 0; - namelen /= 2; - name = grub_malloc (namelen + 1); - if (!name) - return 0; - for (i = 0; i < 2 * namelen; i++) - { - int hex = 0; - while (grub_isspace (*ptr)) - ptr++; - if (*ptr >= '0' && *ptr <= '9') - hex = *ptr - '0'; - if (*ptr >= 'a' && *ptr <= 'f') - hex = *ptr - 'a' + 10; - if (*ptr >= 'A' && *ptr <= 'F') - hex = *ptr - 'A' + 10; - - if (i % 2 == 0) - name[i / 2] = hex << 4; - else - name[i / 2] |= hex; - ptr++; - } - name [namelen] = 0; - while (grub_isspace (*ptr)) - ptr++; - - /* If it describes a key recursively invoke the function. */ - if (*ptr == '{') - { - struct grub_xnu_devtree_key *newkey - = grub_xnu_create_key (parent, name); - grub_free (name); - if (! newkey) - return 0; - ptr = grub_xnu_parse_devtree (&(newkey->first_child), ptr + 1, end); - continue; - } - - /* Parse the data. */ - if (*ptr != ':') - return 0; - ptr++; - datalen = 0; - for (ptr2 = ptr; ptr2 < end && (grub_isspace (*ptr2) - || (*ptr2 >= '0' && *ptr2 <= '9') - || (*ptr2 >= 'a' && *ptr2 <= 'f') - || (*ptr2 >= 'A' && *ptr2 <= 'F')); - ptr2++) - if (! grub_isspace (*ptr2)) - datalen++; - if (ptr2 == end) - return 0; - datalen /= 2; - data = grub_malloc (datalen); - if (! data) - return 0; - for (i = 0; i < 2 * datalen; i++) - { - int hex = 0; - while (grub_isspace (*ptr)) - ptr++; - if (*ptr >= '0' && *ptr <= '9') - hex = *ptr - '0'; - if (*ptr >= 'a' && *ptr <= 'f') - hex = *ptr - 'a' + 10; - if (*ptr >= 'A' && *ptr <= 'F') - hex = *ptr - 'A' + 10; - - if (i % 2 == 0) - data[i / 2] = hex << 4; - else - data[i / 2] |= hex; - ptr++; - } - while (ptr < end && grub_isspace (*ptr)) - ptr++; - { - struct grub_xnu_devtree_key *newkey - = grub_xnu_create_value (parent, name); - grub_free (name); - if (! newkey) - return 0; - newkey->datasize = datalen; - newkey->data = data; - } - if (*ptr != ';') - return 0; - ptr++; - } - if (ptr >= end && *parent != grub_xnu_devtree_root) - return 0; - return ptr; -} - /* Returns true if the kext should be loaded according to plist and osbundlereq. Also fill BINNAME. */ static int @@ -1164,53 +1032,6 @@ grub_xnu_load_kext_from_dir (char *dirname, char *osbundlerequired, return GRUB_ERR_NONE; } -/* Load devtree file. */ -static grub_err_t -grub_cmd_xnu_devtree (grub_command_t cmd __attribute__ ((unused)), - int argc, char *args[]) -{ - grub_file_t file; - char *data, *endret; - grub_size_t datalen; - - if (argc != 1) - return grub_error (GRUB_ERR_BAD_ARGUMENT, "Filename required"); - - if (! grub_xnu_heap_size) - return grub_error (GRUB_ERR_BAD_OS, "no xnu kernel loaded"); - - /* Load the file. */ - file = grub_gzfile_open (args[0], 1); - if (! file) - return grub_error (GRUB_ERR_FILE_NOT_FOUND, "Couldn't load device tree"); - datalen = grub_file_size (file); - data = grub_malloc (datalen + 1); - if (! data) - { - grub_file_close (file); - return grub_error (GRUB_ERR_OUT_OF_MEMORY, - "Could load device tree into memory"); - } - if (grub_file_read (file, data, datalen) != (grub_ssize_t) datalen) - { - grub_file_close (file); - grub_free (data); - grub_error_push (); - return grub_error (GRUB_ERR_BAD_OS, "Couldn't read file %s", args[0]); - } - grub_file_close (file); - data[datalen] = 0; - - /* Parse the file. */ - endret = grub_xnu_parse_devtree (&grub_xnu_devtree_root, - data, data + datalen); - grub_free (data); - - if (! endret) - return grub_error (GRUB_ERR_BAD_OS, "Couldn't parse devtree"); - - return GRUB_ERR_NONE; -} static int locked=0; static grub_dl_t my_mod; @@ -1271,6 +1092,107 @@ grub_cmd_xnu_kextdir (grub_command_t cmd __attribute__ ((unused)), } } +static inline int +hextoval (char c) +{ + if (c >= '0' && c <= '9') + return c - '0'; + if (c >= 'a' && c <= 'z') + return c - 'a' + 10; + if (c >= 'A' && c <= 'Z') + return c - 'A' + 10; + return 0; +} + +static inline void +unescape (char *name, char *curdot, char *nextdot, int *len) +{ + char *ptr, *dptr; + dptr = name; + for (ptr = curdot; ptr < nextdot;) + if (ptr + 2 < nextdot && *ptr == '%') + { + *dptr = (hextoval (ptr[1]) << 4) | (hextoval (ptr[2])); + ptr += 3; + dptr++; + } + else + { + *dptr = *ptr; + ptr++; + dptr++; + } + *len = dptr - name; +} + +grub_err_t +grub_xnu_fill_devicetree (void) +{ + auto int iterate_env (struct grub_env_var *var); + int iterate_env (struct grub_env_var *var) + { + char *nextdot = 0, *curdot; + struct grub_xnu_devtree_key **curkey = &grub_xnu_devtree_root; + struct grub_xnu_devtree_key *curvalue; + char *name = 0, *data; + int len; + + if (grub_memcmp (var->name, "XNU.DeviceTree.", + sizeof ("XNU.DeviceTree.") - 1) != 0) + return 0; + + curdot = var->name + sizeof ("XNU.DeviceTree.") - 1; + nextdot = grub_strchr (curdot, '.'); + if (nextdot) + nextdot++; + while (nextdot) + { + name = grub_realloc (name, nextdot - curdot + 1); + + if (!name) + return 1; + + unescape (name, curdot, nextdot, &len); + name[len - 1] = 0; + + curkey = &(grub_xnu_create_key (curkey, name)->first_child); + + curdot = nextdot; + nextdot = grub_strchr (nextdot, '.'); + if (nextdot) + nextdot++; + } + + nextdot = curdot + grub_strlen (curdot) + 1; + + name = grub_realloc (name, nextdot - curdot + 1); + + if (!name) + return 1; + + unescape (name, curdot, nextdot, &len); + name[len] = 0; + + curvalue = grub_xnu_create_value (curkey, name); + grub_free (name); + + data = grub_malloc (grub_strlen (var->value) + 1); + if (!data) + return 1; + + unescape (data, var->value, var->value + grub_strlen (var->value), + &len); + curvalue->datasize = len; + curvalue->data = data; + + return 0; + } + + grub_env_iterate (iterate_env); + + return grub_errno; +} + struct grub_video_bitmap *grub_xnu_bitmap = 0; static grub_err_t @@ -1317,7 +1239,7 @@ grub_xnu_unlock () } static grub_command_t cmd_kernel, cmd_mkext, cmd_kext, cmd_kextdir, - cmd_ramdisk, cmd_devtree, cmd_resume, cmd_splash; + cmd_ramdisk, cmd_resume, cmd_splash; GRUB_MOD_INIT(xnu) { @@ -1333,8 +1255,6 @@ GRUB_MOD_INIT(xnu) cmd_ramdisk = grub_register_command ("xnu_ramdisk", grub_cmd_xnu_ramdisk, 0, "Load XNU ramdisk. " "It will be seen as md0"); - cmd_devtree = grub_register_command ("xnu_devtree", grub_cmd_xnu_devtree, 0, - "Load XNU devtree"); cmd_splash = grub_register_command ("xnu_splash", grub_cmd_xnu_splash, 0, "Load a splash image for XNU"); @@ -1353,7 +1273,6 @@ GRUB_MOD_FINI(xnu) grub_unregister_command (cmd_mkext); grub_unregister_command (cmd_kext); grub_unregister_command (cmd_kextdir); - grub_unregister_command (cmd_devtree); grub_unregister_command (cmd_ramdisk); grub_unregister_command (cmd_kernel); grub_unregister_command (cmd_splash); diff --git a/util/i386/efi/grub-dumpdevtree b/util/i386/efi/grub-dumpdevtree index bc13e3c..ce46f55 100644 --- a/util/i386/efi/grub-dumpdevtree +++ b/util/i386/efi/grub-dumpdevtree @@ -15,11 +15,9 @@ # You should have received a copy of the GNU General Public License # along with GRUB. If not, see . -hexify() -{ - echo -n "$@" | od -A n -t x1 - | sed -e 's/ //g' | tr '\n' '\0' -} +string=`ioreg -lw0 -p IODeviceTree -n efi -r -x |grep device-properties | sed 's/.*.*//;'` +astring=; +l=0 +while [ "x${string:l:2}" != x ]; do astring="$astring%${string:l:2}"; l=$((l+2)); done -echo "`hexify efi`{ `hexify device-properties`:" -ioreg -lw0 -p IODeviceTree -n efi -r -x |grep device-properties | sed 's/.*.*//;' -echo ";}" +echo "set XNU.DeviceTree.efi.device-properties=$astring"