From cd296721a9645f9f28800a072490fa15458d1fb7 Mon Sep 17 00:00:00 2001 From: Stephen Warren Date: Fri, 28 Sep 2012 21:25:59 +0000 Subject: dtc: import latest upstream dtc This updates scripts/dtc to commit 317a5d9 "dtc: zero out new label objects" from git://git.jdl.com/software/dtc.git. This adds features such as: * /bits/ syntax for cell data. * Math expressions within cell data. * The ability to delete properties or nodes. * Support for #line directives in the input file, which allows the use of cpp on *.dts. * -i command-line option (/include/ path) * -W/-E command-line options for error/warning control. * Removal of spew to STDOUT containing the filename being compiled. * Many additions to the libfdt API. Signed-off-by: Stephen Warren Acked-by: Jon Loeliger Signed-off-by: Rob Herring --- scripts/dtc/data.c | 124 ++++++++++++++++------------------------------------- 1 file changed, 36 insertions(+), 88 deletions(-) (limited to 'scripts/dtc/data.c') diff --git a/scripts/dtc/data.c b/scripts/dtc/data.c index fe555e819bf8..4a40c5b92474 100644 --- a/scripts/dtc/data.c +++ b/scripts/dtc/data.c @@ -68,40 +68,6 @@ struct data data_copy_mem(const char *mem, int len) return d; } -static char get_oct_char(const char *s, int *i) -{ - char x[4]; - char *endx; - long val; - - x[3] = '\0'; - strncpy(x, s + *i, 3); - - val = strtol(x, &endx, 8); - - assert(endx > x); - - (*i) += endx - x; - return val; -} - -static char get_hex_char(const char *s, int *i) -{ - char x[3]; - char *endx; - long val; - - x[2] = '\0'; - strncpy(x, s + *i, 2); - - val = strtol(x, &endx, 16); - if (!(endx > x)) - die("\\x used with no following hex digits\n"); - - (*i) += endx - x; - return val; -} - struct data data_copy_escape_string(const char *s, int len) { int i = 0; @@ -114,53 +80,10 @@ struct data data_copy_escape_string(const char *s, int len) while (i < len) { char c = s[i++]; - if (c != '\\') { - q[d.len++] = c; - continue; - } - - c = s[i++]; - assert(c); - switch (c) { - case 'a': - q[d.len++] = '\a'; - break; - case 'b': - q[d.len++] = '\b'; - break; - case 't': - q[d.len++] = '\t'; - break; - case 'n': - q[d.len++] = '\n'; - break; - case 'v': - q[d.len++] = '\v'; - break; - case 'f': - q[d.len++] = '\f'; - break; - case 'r': - q[d.len++] = '\r'; - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - i--; /* need to re-read the first digit as - * part of the octal value */ - q[d.len++] = get_oct_char(s, &i); - break; - case 'x': - q[d.len++] = get_hex_char(s, &i); - break; - default: - q[d.len++] = c; - } + if (c == '\\') + c = get_escape_char(s, &i); + + q[d.len++] = c; } q[d.len++] = '\0'; @@ -245,11 +168,33 @@ struct data data_merge(struct data d1, struct data d2) return d; } -struct data data_append_cell(struct data d, cell_t word) +struct data data_append_integer(struct data d, uint64_t value, int bits) { - cell_t beword = cpu_to_fdt32(word); - - return data_append_data(d, &beword, sizeof(beword)); + 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) @@ -262,11 +207,14 @@ struct data data_append_re(struct data d, const struct fdt_reserve_entry *re) return data_append_data(d, &bere, sizeof(bere)); } -struct data data_append_addr(struct data d, uint64_t addr) +struct data data_append_cell(struct data d, cell_t word) { - uint64_t beaddr = cpu_to_fdt64(addr); + return data_append_integer(d, word, sizeof(word) * 8); +} - return data_append_data(d, &beaddr, sizeof(beaddr)); +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) -- cgit v1.2.3-59-g8ed1b