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-rw-r--r--sys/arch/aarch64/aarch64/machdep.c11
-rw-r--r--sys/dev/cons/cons.c69
-rw-r--r--sys/include/arch/aarch64/board.h51
-rw-r--r--sys/include/sys/console.h2
4 files changed, 133 insertions, 0 deletions
diff --git a/sys/arch/aarch64/aarch64/machdep.c b/sys/arch/aarch64/aarch64/machdep.c
index 33d7c42..9a96cbb 100644
--- a/sys/arch/aarch64/aarch64/machdep.c
+++ b/sys/arch/aarch64/aarch64/machdep.c
@@ -31,6 +31,7 @@
#include <sys/panic.h>
#include <machine/cpu.h>
#include <machine/sync.h>
+#include <machine/board.h>
struct cpu_info g_bsp_ci = {0};
@@ -98,3 +99,13 @@ cpu_startup(struct cpu_info *ci)
__ASMV("msr tpidr_el1, %0" :: "r" (ci));
md_cpu_init();
}
+
+void
+md_get_board(struct board_info *res)
+{
+ uint64_t midr_el1;
+
+ __ASMV("mrs %0, midr_el1" : "=r" (midr_el1));
+ res->partno = (midr_el1 >> 4) & 0xFFF;
+ res->implementer = (midr_el1 >> 24) & 0xFF;
+}
diff --git a/sys/dev/cons/cons.c b/sys/dev/cons/cons.c
index 3eb7c33..2cef071 100644
--- a/sys/dev/cons/cons.c
+++ b/sys/dev/cons/cons.c
@@ -37,6 +37,7 @@
#include <dev/cons/font.h>
#include <dev/cons/cons.h>
#include <fs/devfs.h>
+#include <fs/ctlfs.h>
#include <vm/dynalloc.h>
#include <string.h>
@@ -62,6 +63,7 @@
struct cons_screen g_root_scr = {0};
static struct cdevsw cons_cdevsw;
+static struct ctlops cons_feat_ctl;
static void cons_draw_cursor(struct cons_screen *scr, uint32_t color);
static int cons_handle_special(struct cons_screen *scr, char c);
@@ -233,8 +235,14 @@ cons_handle_special(struct cons_screen *scr, char c)
static void
cons_draw_cursor(struct cons_screen *scr, uint32_t color)
{
+ struct console_feat *featp;
size_t idx;
+ featp = &scr->feat;
+ if (!featp->show_curs) {
+ color = scr->bg;
+ }
+
/* Past screen width? */
if (scr->curs_col >= scr->ncols) {
scr->curs_col = 0;
@@ -412,6 +420,53 @@ cons_init_bufs(struct cons_screen *scr)
return 0;
}
+static int
+ctl_feat_read(struct ctlfs_dev *cdp, struct sio_txn *sio)
+{
+ struct cons_screen *scr = &g_root_scr;
+ struct console_feat *featp;
+
+ if (sio->buf == NULL || sio->len == 0) {
+ return -EINVAL;
+ }
+
+ featp = &scr->feat;
+ if (sio->len > sizeof(*featp)) {
+ sio->len = sizeof(*featp);
+ }
+
+ memcpy(sio->buf, featp, sio->len);
+ return sio->len;
+}
+
+static int
+ctl_feat_write(struct ctlfs_dev *cdp, struct sio_txn *sio)
+{
+ struct cons_screen *scr = &g_root_scr;
+ struct console_feat *featp, oldfeat;
+
+ featp = &scr->feat;
+ oldfeat = *featp;
+ if (sio->len > sizeof(*featp)) {
+ sio->len = sizeof(*featp);
+ }
+
+ memcpy(featp, sio->buf, sio->len);
+
+ /*
+ * If we are suddenly trying to reset the cursor
+ * status, redraw it.
+ */
+ if (featp->show_curs != oldfeat.show_curs) {
+ if (featp->show_curs == 0) {
+ HIDE_CURSOR(scr);
+ } else {
+ SHOW_CURSOR(scr);
+ }
+ }
+ return sio->len;
+}
+
/*
* Reset console color.
*/
@@ -492,6 +547,7 @@ cons_init(void)
featp = &g_root_scr.feat;
featp->ansi_esc = 1;
+ featp->show_curs = 1;
g_root_scr.ch_col = 0;
g_root_scr.ch_row = 0;
g_root_scr.fg = CONSOLE_FG;
@@ -512,6 +568,7 @@ void
cons_expose(void)
{
static int once = 0;
+ struct ctlfs_dev ctl;
char devname[] = "console";
devmajor_t major;
dev_t dev;
@@ -526,6 +583,13 @@ cons_expose(void)
dev = dev_alloc(major);
dev_register(major, dev, &cons_cdevsw);
devfs_create_entry(devname, major, dev, 0444);
+
+ /* Register the control file */
+ ctl.mode = 0666;
+ ctlfs_create_node(devname, &ctl);
+ ctl.devname = devname;
+ ctl.ops = &cons_feat_ctl;
+ ctlfs_create_entry("feat", &ctl);
once ^= 1;
}
@@ -533,3 +597,8 @@ static struct cdevsw cons_cdevsw = {
.read = dev_read,
.write = dev_write
};
+
+static struct ctlops cons_feat_ctl = {
+ .read = ctl_feat_read,
+ .write = ctl_feat_write
+};
diff --git a/sys/include/arch/aarch64/board.h b/sys/include/arch/aarch64/board.h
new file mode 100644
index 0000000..bba421f
--- /dev/null
+++ b/sys/include/arch/aarch64/board.h
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#ifndef _MACHINE_BOARD_H_
+#define _MACHINE_BOARD_H_
+
+/* Board implementer */
+#define BOARD_ARM_LIMITED 0x41 /* ARM Limited */
+#define BOARD_BROADCOM 0x42 /* Broadcom corp */
+#define BOARD_CAVIUM 0x43 /* Calvium Inc */
+#define BOARD_DIGITAL_EQUIP 0x44 /* Digital Equipment Corporation */
+#define BOARD_FUJITSU 0x46 /* Fujitsu Ltd */
+
+/*
+ * Board information, contains a part number
+ * and an implementer number.
+ */
+struct board_info {
+ uint8_t implementer;
+ uint16_t partno : 12;
+};
+
+void md_get_board(struct board_info *res);
+
+#endif /* !_MACHINE_BOARD_H_ */
diff --git a/sys/include/sys/console.h b/sys/include/sys/console.h
index 8ab333f..c912d28 100644
--- a/sys/include/sys/console.h
+++ b/sys/include/sys/console.h
@@ -36,9 +36,11 @@
* Console features
*
* @ansi_esc: If 1, ANSI escape codes are enabled
+ * @show_curs: If 1, show the cursor
*/
struct console_feat {
uint8_t ansi_esc : 1;
+ uint8_t show_curs : 1;
};
#endif /* !_SYS_CONSOLE_H_ */