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Synchronize with sys/i386/isa/syscons.c revision 1.211.
This commit is contained in:
KATO Takenori
parent
e1ee467aaf
commit
fb2d1dd12a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=25196
@ -25,7 +25,7 @@
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: syscons.c,v 1.34 1997/04/11 07:41:22 kato Exp $
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* $Id: syscons.c,v 1.35 1997/04/21 12:31:31 kato Exp $
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*/
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#include "sc.h"
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@ -94,7 +94,10 @@
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#define WARM 1
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/* this may break on older VGA's but is useful on real 32 bit systems */
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#define bcopyw bcopy
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/* XXX use sc_bcopy where video memory is concerned */
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#define bcopyw bcopy
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#define sc_bcopy generic_bcopy
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extern void generic_bcopy(const void *, void *, size_t);
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static default_attr user_default = {
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(FG_LIGHTGREY | BG_BLACK) << 8,
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@ -154,6 +157,7 @@ static long scrn_time_stamp;
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char font_14[256*14];
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char font_16[256*16];
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char palette[256*3];
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static char vgaregs[64];
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static char *cut_buffer;
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static u_short mouse_and_mask[16] = {
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0xc000, 0xe000, 0xf000, 0xf800,
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@ -239,6 +243,9 @@ static int mask2attr(struct term_stat *term);
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static void set_keyboard(int command, int data);
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static void update_leds(int which);
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static void set_vgaregs(char *modetable);
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static void read_vgaregs(char *buf);
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static int comp_vgaregs(u_char *buf1, u_char *buf2);
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static void dump_vgaregs(u_char *buf);
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static void set_font_mode(void);
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static void set_normal_mode(void);
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static void set_destructive_cursor(scr_stat *scp);
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@ -612,6 +619,21 @@ scattach(struct isa_device *dev)
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update_leds(scp->status);
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#ifndef PC98
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if (bootverbose) {
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printf("sc%d: BIOS video mode:%d\n",
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dev->id_unit, *(u_char *)pa_to_va(0x449));
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printf("sc%d: VGA registers upon power-up\n", dev->id_unit);
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dump_vgaregs(vgaregs);
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printf("sc%d: video mode:%d\n", dev->id_unit, scp->mode);
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if (video_mode_ptr != NULL) {
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printf("sc%d: VGA registers for mode:%d\n",
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dev->id_unit, scp->mode);
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dump_vgaregs(video_mode_ptr + (64*scp->mode));
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}
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}
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#endif
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printf("sc%d: ", dev->id_unit);
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#ifdef PC98
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printf(" <text mode>");
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@ -1705,10 +1727,10 @@ sccnputc(dev_t dev, int c)
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s = splclock();
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if (scp == cur_console && !(scp->status & UNKNOWN_MODE)) {
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if (/* timer not running && */ (scp->start <= scp->end)) {
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bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
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sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start,
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(1 + scp->end - scp->start) * sizeof(u_short));
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#ifdef PC98
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bcopyw(scp->atr_buf + scp->start, Atrat + scp->start,
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sc_bcopy(scp->atr_buf + scp->start, Atrat + scp->start,
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(1 + scp->end - scp->start) * sizeof(u_short));
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#endif
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scp->start = scp->xsize * scp->ysize;
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@ -1801,10 +1823,10 @@ scrn_timer(void *arg)
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if (!scrn_blanked) {
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/* update screen image */
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if (scp->start <= scp->end) {
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bcopyw(scp->scr_buf + scp->start, Crtat + scp->start,
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sc_bcopy(scp->scr_buf + scp->start, Crtat + scp->start,
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(1 + scp->end - scp->start) * sizeof(u_short));
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#ifdef PC98
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bcopyw(scp->atr_buf + scp->start, Atrat + scp->start,
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sc_bcopy(scp->atr_buf + scp->start, Atrat + scp->start,
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(1 + scp->end - scp->start) * sizeof(u_short));
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#endif
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}
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@ -3214,6 +3236,7 @@ scinit(void)
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u_long segoff;
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crtc_vga = TRUE;
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read_vgaregs(vgaregs);
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/* Get the BIOS video mode pointer */
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segoff = *(u_long *)pa_to_va(0x4a8);
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@ -3232,8 +3255,15 @@ scinit(void)
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init_scp(console[0]);
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cur_console = console[0];
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#ifndef PC98
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/* discard the video mode table if we are not familiar with it... */
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if (video_mode_ptr) {
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if (comp_vgaregs(vgaregs, video_mode_ptr + 64*console[0]->mode))
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video_mode_ptr = NULL;
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}
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#endif
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/* copy screen to temporary buffer */
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bcopyw(Crtat, sc_buffer,
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sc_bcopy(Crtat, sc_buffer,
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console[0]->xsize * console[0]->ysize * sizeof(u_short));
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console[0]->scr_buf = console[0]->mouse_pos = sc_buffer;
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@ -4289,6 +4319,80 @@ set_vgaregs(char *modetable)
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splx(s);
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}
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static void
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read_vgaregs(char *buf)
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{
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int i, j;
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int s;
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bzero(buf, 64);
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s = splhigh();
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outb(TSIDX, 0x00); outb(TSREG, 0x01); /* stop sequencer */
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outb(TSIDX, 0x07); outb(TSREG, 0x00); /* unlock registers */
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for (i=0, j=5; i<4; i++) {
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outb(TSIDX, i+1);
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buf[j++] = inb(TSREG);
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}
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buf[9] = inb(MISC + 10); /* dot-clock */
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outb(TSIDX, 0x00); outb(TSREG, 0x03); /* start sequencer */
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for (i=0, j=10; i<25; i++) { /* crtc */
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outb(crtc_addr, i);
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buf[j++] = inb(crtc_addr+1);
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}
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for (i=0, j=35; i<20; i++) { /* attribute ctrl */
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inb(crtc_addr+6); /* reset flip-flop */
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outb(ATC, i);
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buf[j++] = inb(ATC + 1);
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}
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for (i=0, j=55; i<9; i++) { /* graph data ctrl */
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outb(GDCIDX, i);
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buf[j++] = inb(GDCREG);
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}
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inb(crtc_addr+6); /* reset flip-flop */
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outb(ATC, 0x20); /* enable palette */
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buf[0] = *(char *)pa_to_va(0x44a); /* COLS */
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buf[1] = *(char *)pa_to_va(0x484); /* ROWS */
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buf[2] = *(char *)pa_to_va(0x485); /* POINTS */
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buf[3] = *(char *)pa_to_va(0x44c);
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buf[4] = *(char *)pa_to_va(0x44d);
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splx(s);
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}
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static int
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comp_vgaregs(u_char *buf1, u_char *buf2)
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{
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int i;
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for(i = 0; i < 24; ++i) {
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if (*buf1++ != *buf2++)
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return 1;
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}
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buf1 += 2; /* skip the cursor position register value */
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buf2 += 2;
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for(i = 26; i < 64; ++i) {
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if (*buf1++ != *buf2++)
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return 1;
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}
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return 0;
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}
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static void
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dump_vgaregs(u_char *buf)
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{
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int i;
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for(i = 0; i < 64;) {
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printf("%02x ", buf[i]);
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if ((++i % 16) == 0)
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printf("\n");
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}
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}
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static void
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set_font_mode()
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{
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@ -4361,6 +4465,9 @@ set_normal_mode()
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modetable = video_mode_ptr + (64*M_VGA_C80x25);
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}
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if (video_mode_ptr == NULL)
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modetable = vgaregs;
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/* setup vga for normal operation mode again */
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inb(crtc_addr+6); /* reset flip-flop */
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outb(ATC, 0x10); outb(ATC, modetable[0x10+35]);
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@ -4481,7 +4588,7 @@ set_destructive_cursor(scr_stat *scp)
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while (!(inb(crtc_addr+6) & 0x08)) /* wait for vertical retrace */ ;
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#endif
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set_font_mode();
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bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32);
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sc_bcopy(cursor, (char *)pa_to_va(address) + DEAD_CHAR * 32, 32);
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set_normal_mode();
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#endif
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}
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@ -4651,7 +4758,7 @@ draw_mouse_image(scr_stat *scp)
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while (!(inb(crtc_addr+6) & 0x08)) /* idle */ ;
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#endif
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set_font_mode();
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bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128);
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sc_bcopy(scp->mouse_cursor, (char *)pa_to_va(address) + 0xd0 * 32, 128);
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set_normal_mode();
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*(crt_pos) = (*(scp->mouse_pos)&0xff00)|0xd0;
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*(crt_pos+scp->xsize) = (*(scp->mouse_pos+scp->xsize)&0xff00)|0xd2;
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@ -4828,8 +4935,14 @@ toggle_splash_screen(scr_stat *scp)
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{
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static int toggle = 0;
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static u_char save_mode;
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int s = splhigh();
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int s;
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#ifndef PC98
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if (video_mode_ptr == NULL)
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return;
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#endif
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s = splhigh();
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if (toggle) {
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scp->mode = save_mode;
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scp->status &= ~UNKNOWN_MODE;
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