summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--sys/arch/amd64/isa/i8042.c43
-rw-r--r--usr.bin/Makefile1
-rw-r--r--usr.bin/osh/osh.c10
-rw-r--r--usr.bin/reboot/reboot.c10
-rw-r--r--usr.bin/screensave/Makefile6
-rw-r--r--usr.bin/screensave/screensave.c116
6 files changed, 157 insertions, 29 deletions
diff --git a/sys/arch/amd64/isa/i8042.c b/sys/arch/amd64/isa/i8042.c
index 3ae645d..5bc7751 100644
--- a/sys/arch/amd64/isa/i8042.c
+++ b/sys/arch/amd64/isa/i8042.c
@@ -271,6 +271,31 @@ i8042_en_intr(void)
}
/*
+ * Toggle the capslock and LED
+ */
+static void
+capslock_toggle(void)
+{
+ /*
+ * In case we are holding the caps lock button down,
+ * we don't want it to be spam toggled as that would
+ * be pretty strange looking and probably annoying.
+ */
+ if (!capslock_released) {
+ return;
+ }
+
+ capslock_released = false;
+ capslock = !capslock;
+
+ if (!capslock) {
+ kbd_set_leds(0);
+ } else {
+ kbd_set_leds(I8042_LED_CAPS);
+ }
+}
+
+/*
* Convert scancode to character
*
* @sc: Scancode
@@ -289,23 +314,7 @@ i8042_kb_getc(uint8_t sc, char *chr)
return 0;
/* Caps lock [press] */
case 0x3A:
- /*
- * In case we are holding the caps lock button down,
- * we don't want it to be spam toggled as that would
- * be pretty strange looking and probably annoying.
- */
- if (!capslock_released) {
- return -EAGAIN;
- }
-
- capslock_released = false;
- capslock = !capslock;
-
- if (!capslock) {
- kbd_set_leds(0);
- } else {
- kbd_set_leds(I8042_LED_CAPS);
- }
+ capslock_toggle();
return -EAGAIN;
/* Caps lock [release] */
case 0xBA:
diff --git a/usr.bin/Makefile b/usr.bin/Makefile
index 542b143..2bbc185 100644
--- a/usr.bin/Makefile
+++ b/usr.bin/Makefile
@@ -28,3 +28,4 @@ all:
make -C dmidump/ $(ARGS)
make -C sysctl/ $(ARGS)
make -C reboot/ $(ARGS)
+ make -C screensave/ $(ARGS)
diff --git a/usr.bin/osh/osh.c b/usr.bin/osh/osh.c
index 1c9f508..71ca6de 100644
--- a/usr.bin/osh/osh.c
+++ b/usr.bin/osh/osh.c
@@ -29,7 +29,6 @@
#include <sys/types.h>
#include <sys/cdefs.h>
-#include <sys/reboot.h>
#include <sys/errno.h>
#include <sys/spawn.h>
#include <sys/wait.h>
@@ -58,7 +57,6 @@
"help - Display this help message\n" \
"echo - Print the arguments to the console\n" \
"reboot - Reboot the machine\n" \
- "shutdown - Power off the machine\n" \
"kmsg - Print kernel message buffer\n" \
"fetch - System information\n" \
"kfg - Start up kfgwm\n" \
@@ -78,7 +76,6 @@ static bool bs_bell = true; /* Beep on backspace */
static void cmd_help(int argc, char *argv[]);
static void cmd_echo(int argc, char *argv[]);
static void cmd_exit(int argc, char *argv[]);
-static void cmd_shutdown(int argc, char *argv[]);
static void cmd_bell(int argc, char *argv[]);
static void cmd_clear(int argc, char *argv[]);
@@ -99,7 +96,6 @@ struct parse_state {
static struct builtin_cmd cmds[] = {
{"help",cmd_help},
{"exit",cmd_exit},
- {"shutdown", cmd_shutdown},
{"bell", cmd_bell},
{"clear", cmd_clear},
{NULL, NULL}
@@ -118,12 +114,6 @@ cmd_exit(int argc, char *argv[])
}
static void
-cmd_shutdown(int argc, char *argv[])
-{
- cpu_reboot(REBOOT_POWEROFF | REBOOT_HALT);
-}
-
-static void
cmd_clear(int argc, char *argv[])
{
fputs("\033[2J", stdout);
diff --git a/usr.bin/reboot/reboot.c b/usr.bin/reboot/reboot.c
index 7fa37f9..ac9785a 100644
--- a/usr.bin/reboot/reboot.c
+++ b/usr.bin/reboot/reboot.c
@@ -31,9 +31,10 @@
#include <stdio.h>
#include <unistd.h>
-#define REBOOT_FLAGS "rh"
+#define REBOOT_FLAGS "rhp"
#define REBOOT_FLAG_RB 'r' /* Reboot */
#define REBOOT_FLAG_HLT 'h' /* Halt */
+#define REBOOT_FLAG_PWR 'p' /* Power off */
static void
help(void)
@@ -43,6 +44,7 @@ help(void)
"flags:\n"
" [-r] Reboot\n"
" [-h] Halt\n"
+ " [-p] Power off\n"
);
}
@@ -68,9 +70,13 @@ main(int argc, char **argv)
printf("REBOOT failed\n");
/* Fall through */
case REBOOT_FLAG_HLT:
- cpu_reboot(REBOOT_FLAG_HLT);
+ cpu_reboot(REBOOT_HALT);
printf("HALT failed\n");
/* Fall through */
+ case REBOOT_FLAG_PWR:
+ cpu_reboot(REBOOT_POWEROFF);
+ printf("POWEROFF failed\n");
+ /* Fall through */
default:
printf("got bad flag '%c'\n", c);
break;
diff --git a/usr.bin/screensave/Makefile b/usr.bin/screensave/Makefile
new file mode 100644
index 0000000..a005346
--- /dev/null
+++ b/usr.bin/screensave/Makefile
@@ -0,0 +1,6 @@
+include user.mk
+
+CFILES = $(shell find . -name "*.c")
+
+$(ROOT)/base/usr/bin/screensave:
+ gcc $(CFILES) -lgfx -o $@ $(INTERNAL_CFLAGS)
diff --git a/usr.bin/screensave/screensave.c b/usr.bin/screensave/screensave.c
new file mode 100644
index 0000000..172ab8b
--- /dev/null
+++ b/usr.bin/screensave/screensave.c
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the name of Hyra 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.
+ */
+
+#include <sys/types.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <libgfx/draw.h>
+#include <libgfx/gfx.h>
+
+static struct gfx_ctx ctx;
+
+static ssize_t
+rand_bytes(char *buf, size_t len)
+{
+ ssize_t retval;
+ int fd;
+
+ fd = open("/dev/random", O_RDONLY);
+ if (fd < 0) {
+ return fd;
+ }
+
+ if ((retval = read(fd, buf, len)) < 0) {
+ close(fd);
+ return retval;
+ }
+
+ close(fd);
+ return retval;
+}
+
+static void
+screensave(void)
+{
+ size_t n_iter = 0; /* Monotonic */
+ struct timespec ts;
+ char randbuf[2];
+ color_t curpix, nextpix;
+ uint8_t step = 0;
+
+ ts.tv_sec = 0;
+ ts.tv_nsec = 70000000;
+
+ /* Begin the radiation ::) */
+ for (;;) {
+ rand_bytes(randbuf, sizeof(randbuf));
+ for (size_t i = 0; i < (ctx.fb_size / 4) - 1; i += step + 1) {
+ curpix = ctx.io[i];
+ nextpix = ctx.io[i + 1];
+
+ /* If a multiple of 15, AND, otherwise XOR */
+ if ((n_iter & 15) != 0) {
+ curpix ^= randbuf[0] & 3;
+ nextpix ^= (curpix | (nextpix << 1));
+ nextpix ^= step;
+ } else {
+ curpix &= randbuf[0] & 3;
+ nextpix &= (curpix | (nextpix << 1));
+ nextpix &= step;
+ }
+
+ ctx.io[i] = curpix;
+ ctx.io[i + 1] = nextpix;
+ }
+
+ sleep(&ts, &ts);
+ if ((++step) > 50) {
+ step = 0;
+ }
+ ++n_iter;
+ }
+}
+
+int
+main(void)
+{
+ int error;
+
+ error = gfx_init(&ctx);
+ if (error < 0) {
+ printf("could not init libgfx\n");
+ return error;
+ }
+
+ screensave();
+ gfx_cleanup(&ctx);
+ return 0;
+}