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boot: driver chatter goes to the log; the console clears its margins

Browse source 
ACPI, DMI, SMP, xHCI, USB, I2C, NVMe, r8169 and ramdisk progress lines are
kinfo now: in dmesg and on a verbose boot, off the screen of a working
machine. Failures stay cprintf.

vt_repaint also paints the strip right of the last column and below the
last row, which kept the bottom of the X desktop after Ctrl+Alt+F-key.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01S1giNvrHTrPMPw7V6x1kQ4
This commit is contained in:
Nexoniarz 2026-10-25 01:53:46 +02:00
commit c65bfa3fa3
16 changed files with 57 additions and 42 deletions
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4
kernel/dev/dmi.c
View file

@ -273,7 +273,7 @@ dmi_init(void)
find();
if (tab == 0) {
cprintf("DMI: not present or invalid.\n");
kinfo("DMI: not present or invalid.\n");
return;
}
if (dmi_field(DMI_SYS_VENDOR, v, sizeof v) < 0) v[0] = 0;
@ -281,5 +281,5 @@ dmi_init(void)
if (dmi_field(DMI_BOARD_NAME, b, sizeof b) < 0) b[0] = 0;
if (dmi_field(DMI_BIOS_VERSION, bv, sizeof bv) < 0) bv[0] = 0;
if (dmi_field(DMI_BIOS_DATE, bd, sizeof bd) < 0) bd[0] = 0;
cprintf("DMI: %s %s/%s, BIOS %s %s\n", v, p, b, bv, bd);
kinfo("DMI: %s %s/%s, BIOS %s %s\n", v, p, b, bv, bd);
}

6
kernel/dev/ramdisk.c
View file

@ -110,7 +110,7 @@ ramdiskinit(void)
rd_scff = h;
rd_blocks = (uint)(h->image_bytes / BSIZE);
rd_first = 0;
cprintf("ramdisk: SCFF, %u MB in %u MB, %u chunks of %u KB\n",
kinfo("ramdisk: SCFF, %u MB in %u MB, %u chunks of %u KB\n",
(uint)(h->image_bytes >> 20), (uint)(rd_size >> 20),
h->nchunks, h->chunk_bytes >> 10);
}
@ -124,7 +124,7 @@ ramdiskinit(void)
panic("ramdiskinit: embedded image smaller than a superblock");
if(!rd_scff)
cprintf("ramdisk: %u blocks (%u KB) at %p\n",
kinfo("ramdisk: %u blocks (%u KB) at %p\n",
rd_blocks, (uint)(rd_size / 1024), rd_base);
#else
rd_base = 0;
@ -155,7 +155,7 @@ ramdisk_blocks(void)
if (extra > room)
extra = room;
rd_total = rd_blocks + extra;
cprintf("ramdisk: %u MB image, %u MB of memory to grow into\n",
kinfo("ramdisk: %u MB image, %u MB of memory to grow into\n",
(uint)(rd_size >> 20), (uint)(extra * BSIZE >> 20));
}
release(&rd_lock);

15
kernel/dev/vt.c
View file

@ -240,6 +240,21 @@ vt_repaint(struct vt *v)
{
if (!is_active(v))
return;
// The margins first: the screen is rarely a whole number of cells, and the
// strip right of the last column and below the last row belongs to nobody.
// Coming back from X, that strip still held the bottom of the desktop.
int cw, ch;
gfx_cell_size(&cw, &ch);
if (cw > 0 && ch > 0) {
int w = (int)gfx_width(), h = (int)gfx_height();
uint32 bg = vt_rgb(v->bg);
if (w > v->cols * cw)
gfx_fill_rect(v->cols * cw, 0, w - v->cols * cw, h, bg);
if (h > v->rows * ch)
gfx_fill_rect(0, v->rows * ch, w, h - v->rows * ch, bg);
}
for (int r = 0; r < v->rows; r++)
for (int c = 0; c < v->cols; c++) {
struct vtcell *k = cell_at(v, c, r);