diff options
Diffstat (limited to 'qemu/dtc/data.c')
-rw-r--r-- | qemu/dtc/data.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/qemu/dtc/data.c b/qemu/dtc/data.c deleted file mode 100644 index 4a40c5b92..000000000 --- a/qemu/dtc/data.c +++ /dev/null @@ -1,269 +0,0 @@ -/* - * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ - -#include "dtc.h" - -void data_free(struct data d) -{ - struct marker *m, *nm; - - m = d.markers; - while (m) { - nm = m->next; - free(m->ref); - free(m); - m = nm; - } - - if (d.val) - free(d.val); -} - -struct data data_grow_for(struct data d, int xlen) -{ - struct data nd; - int newsize; - - if (xlen == 0) - return d; - - nd = d; - - newsize = xlen; - - while ((d.len + xlen) > newsize) - newsize *= 2; - - nd.val = xrealloc(d.val, newsize); - - return nd; -} - -struct data data_copy_mem(const char *mem, int len) -{ - struct data d; - - d = data_grow_for(empty_data, len); - - d.len = len; - memcpy(d.val, mem, len); - - return d; -} - -struct data data_copy_escape_string(const char *s, int len) -{ - int i = 0; - struct data d; - char *q; - - d = data_grow_for(empty_data, strlen(s)+1); - - q = d.val; - while (i < len) { - char c = s[i++]; - - if (c == '\\') - c = get_escape_char(s, &i); - - q[d.len++] = c; - } - - q[d.len++] = '\0'; - return d; -} - -struct data data_copy_file(FILE *f, size_t maxlen) -{ - struct data d = empty_data; - - while (!feof(f) && (d.len < maxlen)) { - size_t chunksize, ret; - - if (maxlen == -1) - chunksize = 4096; - else - chunksize = maxlen - d.len; - - d = data_grow_for(d, chunksize); - ret = fread(d.val + d.len, 1, chunksize, f); - - if (ferror(f)) - die("Error reading file into data: %s", strerror(errno)); - - if (d.len + ret < d.len) - die("Overflow reading file into data\n"); - - d.len += ret; - } - - return d; -} - -struct data data_append_data(struct data d, const void *p, int len) -{ - d = data_grow_for(d, len); - memcpy(d.val + d.len, p, len); - d.len += len; - return d; -} - -struct data data_insert_at_marker(struct data d, struct marker *m, - const void *p, int len) -{ - d = data_grow_for(d, len); - memmove(d.val + m->offset + len, d.val + m->offset, d.len - m->offset); - memcpy(d.val + m->offset, p, len); - d.len += len; - - /* Adjust all markers after the one we're inserting at */ - m = m->next; - for_each_marker(m) - m->offset += len; - return d; -} - -static struct data data_append_markers(struct data d, struct marker *m) -{ - struct marker **mp = &d.markers; - - /* Find the end of the markerlist */ - while (*mp) - mp = &((*mp)->next); - *mp = m; - return d; -} - -struct data data_merge(struct data d1, struct data d2) -{ - struct data d; - struct marker *m2 = d2.markers; - - d = data_append_markers(data_append_data(d1, d2.val, d2.len), m2); - - /* Adjust for the length of d1 */ - for_each_marker(m2) - m2->offset += d1.len; - - d2.markers = NULL; /* So data_free() doesn't clobber them */ - data_free(d2); - - return d; -} - -struct data data_append_integer(struct data d, uint64_t value, int bits) -{ - uint8_t value_8; - uint16_t value_16; - uint32_t value_32; - uint64_t value_64; - - switch (bits) { - case 8: - value_8 = value; - return data_append_data(d, &value_8, 1); - - case 16: - value_16 = cpu_to_fdt16(value); - return data_append_data(d, &value_16, 2); - - case 32: - value_32 = cpu_to_fdt32(value); - return data_append_data(d, &value_32, 4); - - case 64: - value_64 = cpu_to_fdt64(value); - return data_append_data(d, &value_64, 8); - - default: - die("Invalid literal size (%d)\n", bits); - } -} - -struct data data_append_re(struct data d, const struct fdt_reserve_entry *re) -{ - struct fdt_reserve_entry bere; - - bere.address = cpu_to_fdt64(re->address); - bere.size = cpu_to_fdt64(re->size); - - return data_append_data(d, &bere, sizeof(bere)); -} - -struct data data_append_cell(struct data d, cell_t word) -{ - return data_append_integer(d, word, sizeof(word) * 8); -} - -struct data data_append_addr(struct data d, uint64_t addr) -{ - return data_append_integer(d, addr, sizeof(addr) * 8); -} - -struct data data_append_byte(struct data d, uint8_t byte) -{ - return data_append_data(d, &byte, 1); -} - -struct data data_append_zeroes(struct data d, int len) -{ - d = data_grow_for(d, len); - - memset(d.val + d.len, 0, len); - d.len += len; - return d; -} - -struct data data_append_align(struct data d, int align) -{ - int newlen = ALIGN(d.len, align); - return data_append_zeroes(d, newlen - d.len); -} - -struct data data_add_marker(struct data d, enum markertype type, char *ref) -{ - struct marker *m; - - m = xmalloc(sizeof(*m)); - m->offset = d.len; - m->type = type; - m->ref = ref; - m->next = NULL; - - return data_append_markers(d, m); -} - -int data_is_one_string(struct data d) -{ - int i; - int len = d.len; - - if (len == 0) - return 0; - - for (i = 0; i < len-1; i++) - if (d.val[i] == '\0') - return 0; - - if (d.val[len-1] != '\0') - return 0; - - return 1; -} |