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gjdwebserver-overlay/sys-kernel/pinephone-pro-sources/files/0012-bootsplash.patch
Gerben Jan Dijkman 185ddcbfd1 Added PinePhone Pro Sources
2022-01-14 17:01:30 +01:00

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diff --git a/MAINTAINERS b/MAINTAINERS
index 7ffac272434e..ddff07cd794c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2715,6 +2715,7 @@ F: drivers/video/fbdev/core/bootsplash*.*
F: drivers/video/fbdev/core/dummycon.c
F: include/linux/bootsplash.h
F: include/uapi/linux/bootsplash_file.h
+F: tools/bootsplash/*
BPF (Safe dynamic programs and tools)
M: Alexei Starovoitov <ast@kernel.org>
diff --git a/tools/bootsplash/.gitignore b/tools/bootsplash/.gitignore
new file mode 100644
index 000000000000..091b99a17567
--- /dev/null
+++ b/tools/bootsplash/.gitignore
@@ -0,0 +1 @@
+bootsplash-packer
diff --git a/tools/bootsplash/Makefile b/tools/bootsplash/Makefile
new file mode 100644
index 000000000000..0ad8e8a84942
--- /dev/null
+++ b/tools/bootsplash/Makefile
@@ -0,0 +1,9 @@
+CC := $(CROSS_COMPILE)gcc
+CFLAGS := -I../../usr/include
+
+PROGS := bootsplash-packer
+
+all: $(PROGS)
+
+clean:
+ rm -fr $(PROGS)
diff --git a/tools/bootsplash/bootsplash-packer.c b/tools/bootsplash/bootsplash-packer.c
new file mode 100644
index 000000000000..ffb6a8b69885
--- /dev/null
+++ b/tools/bootsplash/bootsplash-packer.c
@@ -0,0 +1,471 @@
+/*
+ * Kernel based bootsplash.
+ *
+ * (Splash file packer tool)
+ *
+ * Authors:
+ * Max Staudt <mstaudt@suse.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <endian.h>
+#include <getopt.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <linux/bootsplash_file.h>
+
+
+static void print_help(char *progname)
+{
+ printf("Usage: %s [OPTIONS] outfile\n", progname);
+ printf("\n"
+ "Options, executed in order given:\n"
+ " -h, --help Print this help message\n"
+ "\n"
+ " --bg_red <u8> Background color (red part)\n"
+ " --bg_green <u8> Background color (green part)\n"
+ " --bg_blue <u8> Background color (blue part)\n"
+ " --bg_reserved <u8> (do not use)\n"
+ " --frame_ms <u16> Minimum milliseconds between animation steps\n"
+ "\n"
+ " --picture Start describing the next picture\n"
+ " --pic_width <u16> Picture width in pixels\n"
+ " --pic_height <u16> Picture height in pixels\n"
+ " --pic_position <u8> Coarse picture placement:\n"
+ " 0x00 - Top left\n"
+ " 0x01 - Top\n"
+ " 0x02 - Top right\n"
+ " 0x03 - Right\n"
+ " 0x04 - Bottom right\n"
+ " 0x05 - Bottom\n"
+ " 0x06 - Bottom left\n"
+ " 0x07 - Left\n"
+ "\n"
+ " Flags:\n"
+ " 0x10 - Calculate offset from corner towards center,\n"
+ " rather than from center towards corner\n"
+ " --pic_position_offset <u16> Distance from base position in pixels\n"
+ " --pic_anim_type <u8> Animation type:\n"
+ " 0 - None\n"
+ " 1 - Forward loop\n"
+ " --pic_anim_loop <u8> Loop point for animation\n"
+ "\n"
+ " --blob <filename> Include next data stream\n"
+ " --blob_type <u16> Type of data\n"
+ " --blob_picture_id <u8> Picture to associate this blob with, starting at 0\n"
+ " (default: number of last --picture)\n"
+ "\n");
+ printf("This tool will write %s files.\n\n",
+#if __BYTE_ORDER == __BIG_ENDIAN
+ "Big Endian (BE)");
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+ "Little Endian (LE)");
+#else
+#error
+#endif
+}
+
+
+struct blob_entry {
+ struct blob_entry *next;
+
+ char *fn;
+
+ struct splash_blob_header header;
+};
+
+
+static void dump_file_header(struct splash_file_header *h)
+{
+ printf(" --- File header ---\n");
+ printf("\n");
+ printf(" version: %5u\n", h->version);
+ printf("\n");
+ printf(" bg_red: %5u\n", h->bg_red);
+ printf(" bg_green: %5u\n", h->bg_green);
+ printf(" bg_blue: %5u\n", h->bg_blue);
+ printf(" bg_reserved: %5u\n", h->bg_reserved);
+ printf("\n");
+ printf(" num_blobs: %5u\n", h->num_blobs);
+ printf(" num_pics: %5u\n", h->num_pics);
+ printf("\n");
+ printf(" frame_ms: %5u\n", h->frame_ms);
+ printf("\n");
+}
+
+static void dump_pic_header(struct splash_pic_header *ph)
+{
+ printf(" --- Picture header ---\n");
+ printf("\n");
+ printf(" width: %5u\n", ph->width);
+ printf(" height: %5u\n", ph->height);
+ printf("\n");
+ printf(" num_blobs: %5u\n", ph->num_blobs);
+ printf("\n");
+ printf(" position: %0x3x\n", ph->position);
+ printf(" position_offset: %5u\n", ph->position_offset);
+ printf("\n");
+ printf(" anim_type: %5u\n", ph->anim_type);
+ printf(" anim_loop: %5u\n", ph->anim_loop);
+ printf("\n");
+}
+
+static void dump_blob(struct blob_entry *b)
+{
+ printf(" --- Blob header ---\n");
+ printf("\n");
+ printf(" length: %7u\n", b->header.length);
+ printf(" type: %7u\n", b->header.type);
+ printf("\n");
+ printf(" picture_id: %7u\n", b->header.picture_id);
+ printf("\n");
+}
+
+
+#define OPT_MAX(var, max) \
+ do { \
+ if ((var) > max) { \
+ fprintf(stderr, "--%s: Invalid value\n", \
+ long_options[option_index].name); \
+ break; \
+ } \
+ } while (0)
+
+static struct option long_options[] = {
+ {"help", 0, 0, 'h'},
+ {"bg_red", 1, 0, 10001},
+ {"bg_green", 1, 0, 10002},
+ {"bg_blue", 1, 0, 10003},
+ {"bg_reserved", 1, 0, 10004},
+ {"frame_ms", 1, 0, 10005},
+ {"picture", 0, 0, 20000},
+ {"pic_width", 1, 0, 20001},
+ {"pic_height", 1, 0, 20002},
+ {"pic_position", 1, 0, 20003},
+ {"pic_position_offset", 1, 0, 20004},
+ {"pic_anim_type", 1, 0, 20005},
+ {"pic_anim_loop", 1, 0, 20006},
+ {"blob", 1, 0, 30000},
+ {"blob_type", 1, 0, 30001},
+ {"blob_picture_id", 1, 0, 30002},
+ {NULL, 0, NULL, 0}
+};
+
+
+int main(int argc, char **argv)
+{
+ FILE *of;
+ char *ofn;
+ int c;
+ int option_index = 0;
+
+ unsigned long ul;
+ struct splash_file_header fh = {};
+ struct splash_pic_header ph[255];
+ struct blob_entry *blob_first = NULL;
+ struct blob_entry *blob_last = NULL;
+ struct blob_entry *blob_cur = NULL;
+
+ if (argc < 2) {
+ print_help(argv[0]);
+ return EXIT_FAILURE;
+ }
+
+
+ /* Parse and and execute user commands */
+ while ((c = getopt_long(argc, argv, "h",
+ long_options, &option_index)) != -1) {
+ switch (c) {
+ case 10001: /* bg_red */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ fh.bg_red = ul;
+ break;
+ case 10002: /* bg_green */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ fh.bg_green = ul;
+ break;
+ case 10003: /* bg_blue */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ fh.bg_blue = ul;
+ break;
+ case 10004: /* bg_reserved */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ fh.bg_reserved = ul;
+ break;
+ case 10005: /* frame_ms */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 65535);
+ fh.frame_ms = ul;
+ break;
+
+
+ case 20000: /* picture */
+ if (fh.num_pics >= 255) {
+ fprintf(stderr, "--%s: Picture array full\n",
+ long_options[option_index].name);
+ break;
+ }
+
+ fh.num_pics++;
+ break;
+
+ case 20001: /* pic_width */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 65535);
+ ph[fh.num_pics - 1].width = ul;
+ break;
+
+ case 20002: /* pic_height */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 65535);
+ ph[fh.num_pics - 1].height = ul;
+ break;
+
+ case 20003: /* pic_position */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ ph[fh.num_pics - 1].position = ul;
+ break;
+
+ case 20004: /* pic_position_offset */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ ph[fh.num_pics - 1].position_offset = ul;
+ break;
+
+ case 20005: /* pic_anim_type */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ ph[fh.num_pics - 1].anim_type = ul;
+ break;
+
+ case 20006: /* pic_anim_loop */
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ ph[fh.num_pics - 1].anim_loop = ul;
+ break;
+
+
+ case 30000: /* blob */
+ if (fh.num_blobs >= 65535) {
+ fprintf(stderr, "--%s: Blob array full\n",
+ long_options[option_index].name);
+ break;
+ }
+
+ blob_cur = calloc(1, sizeof(struct blob_entry));
+ if (!blob_cur) {
+ fprintf(stderr, "--%s: Out of memory\n",
+ long_options[option_index].name);
+ break;
+ }
+
+ blob_cur->fn = optarg;
+ if (fh.num_pics)
+ blob_cur->header.picture_id = fh.num_pics - 1;
+
+ if (!blob_first)
+ blob_first = blob_cur;
+ if (blob_last)
+ blob_last->next = blob_cur;
+ blob_last = blob_cur;
+ fh.num_blobs++;
+ break;
+
+ case 30001: /* blob_type */
+ if (!blob_cur) {
+ fprintf(stderr, "--%s: No blob selected\n",
+ long_options[option_index].name);
+ break;
+ }
+
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ blob_cur->header.type = ul;
+ break;
+
+ case 30002: /* blob_picture_id */
+ if (!blob_cur) {
+ fprintf(stderr, "--%s: No blob selected\n",
+ long_options[option_index].name);
+ break;
+ }
+
+ ul = strtoul(optarg, NULL, 0);
+ OPT_MAX(ul, 255);
+ blob_cur->header.picture_id = ul;
+ break;
+
+
+
+ case 'h':
+ case '?':
+ default:
+ print_help(argv[0]);
+ goto EXIT;
+ } /* switch (c) */
+ } /* while ((c = getopt_long(...)) != -1) */
+
+ /* Consume and drop lone arguments */
+ while (optind < argc) {
+ ofn = argv[optind];
+ optind++;
+ }
+
+
+ /* Read file lengths */
+ for (blob_cur = blob_first; blob_cur; blob_cur = blob_cur->next) {
+ FILE *f;
+ long pos;
+ int i;
+
+ if (!blob_cur->fn)
+ continue;
+
+ f = fopen(blob_cur->fn, "rb");
+ if (!f)
+ goto ERR_FILE_LEN;
+
+ if (fseek(f, 0, SEEK_END))
+ goto ERR_FILE_LEN;
+
+ pos = ftell(f);
+ if (pos < 0 || pos > (1 << 30))
+ goto ERR_FILE_LEN;
+
+ blob_cur->header.length = pos;
+
+ fclose(f);
+ continue;
+
+ERR_FILE_LEN:
+ fprintf(stderr, "Error getting file length (or too long): %s\n",
+ blob_cur->fn);
+ if (f)
+ fclose(f);
+ continue;
+ }
+
+
+ /* Set magic headers */
+#if __BYTE_ORDER == __BIG_ENDIAN
+ memcpy(&fh.id[0], BOOTSPLASH_MAGIC_BE, 16);
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+ memcpy(&fh.id[0], BOOTSPLASH_MAGIC_LE, 16);
+#else
+#error
+#endif
+ fh.version = BOOTSPLASH_VERSION;
+
+ /* Set blob counts */
+ for (blob_cur = blob_first; blob_cur; blob_cur = blob_cur->next) {
+ if (blob_cur->header.picture_id < fh.num_pics)
+ ph[blob_cur->header.picture_id].num_blobs++;
+ }
+
+
+ /* Dump structs */
+ dump_file_header(&fh);
+
+ for (ul = 0; ul < fh.num_pics; ul++)
+ dump_pic_header(&ph[ul]);
+
+ for (blob_cur = blob_first; blob_cur; blob_cur = blob_cur->next)
+ dump_blob(blob_cur);
+
+
+ /* Write to file */
+ printf("Writing splash to file: %s\n", ofn);
+ of = fopen(ofn, "wb");
+ if (!of)
+ goto ERR_WRITING;
+
+ if (fwrite(&fh, sizeof(struct splash_file_header), 1, of) != 1)
+ goto ERR_WRITING;
+
+ for (ul = 0; ul < fh.num_pics; ul++) {
+ if (fwrite(&ph[ul], sizeof(struct splash_pic_header), 1, of)
+ != 1)
+ goto ERR_WRITING;
+ }
+
+ blob_cur = blob_first;
+ while (blob_cur) {
+ struct blob_entry *blob_old = blob_cur;
+ FILE *f;
+ char *buf[256];
+ uint32_t left;
+
+ if (fwrite(&blob_cur->header,
+ sizeof(struct splash_blob_header), 1, of) != 1)
+ goto ERR_WRITING;
+
+ if (!blob_cur->header.length || !blob_cur->fn)
+ continue;
+
+ f = fopen(blob_cur->fn, "rb");
+ if (!f)
+ goto ERR_FILE_COPY;
+
+ left = blob_cur->header.length;
+ while (left >= sizeof(buf)) {
+ if (fread(buf, sizeof(buf), 1, f) != 1)
+ goto ERR_FILE_COPY;
+ if (fwrite(buf, sizeof(buf), 1, of) != 1)
+ goto ERR_FILE_COPY;
+ left -= sizeof(buf);
+ }
+ if (left) {
+ if (fread(buf, left, 1, f) != 1)
+ goto ERR_FILE_COPY;
+ if (fwrite(buf, left, 1, of) != 1)
+ goto ERR_FILE_COPY;
+ }
+
+ /* Pad data stream to 16 bytes */
+ if (left % 16) {
+ if (fwrite("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",
+ 16 - (left % 16), 1, of) != 1)
+ goto ERR_FILE_COPY;
+ }
+
+ fclose(f);
+ blob_cur = blob_cur->next;
+ free(blob_old);
+ continue;
+
+ERR_FILE_COPY:
+ if (f)
+ fclose(f);
+ goto ERR_WRITING;
+ }
+
+ fclose(of);
+
+EXIT:
+ return EXIT_SUCCESS;
+
+
+ERR_WRITING:
+ fprintf(stderr, "Error writing splash.\n");
+ fprintf(stderr, "The output file is probably corrupt.\n");
+ if (of)
+ fclose(of);
+
+ while (blob_cur) {
+ struct blob_entry *blob_old = blob_cur;
+
+ blob_cur = blob_cur->next;
+ free(blob_old);
+ }
+
+ return EXIT_FAILURE;
+}
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