C++ (Cpp) biosacpi_find_rsdp Examples

Example #1

File: biosacpi.c Project: Gwenio/DragonFlyBSD

void
biosacpi_detect(void)
{
    ACPI_TABLE_RSDP	*rsdp;
    char		buf[160];
    int			revision;

    /* XXX check the BIOS datestamp */

    /* locate and validate the RSDP */
    if ((rsdp = biosacpi_find_rsdp()) == NULL)
	return;

    /* export values from the RSDP */
    revision = rsdp->Revision;
    if (revision == 0)
	revision = 1;
    sprintf(buf, "%d", revision);
    setenv("hint.acpi.0.revision", buf, 1);
    strncpy(buf, rsdp->OemId, sizeof(rsdp->OemId));
    buf[sizeof(rsdp->OemId)] = '\0';
    setenv("hint.acpi.0.oem", buf, 1);
    sprintf(buf, "0x%08x", rsdp->RsdtPhysicalAddress);
    setenv("hint.acpi.0.rsdt", buf, 1);
    if (revision >= 2) {
	/* XXX extended checksum? */
	sprintf(buf, "0x%016jx", (uintmax_t)rsdp->XsdtPhysicalAddress);
	setenv("hint.acpi.0.xsdt", buf, 1);
	sprintf(buf, "%d", rsdp->Length);
	setenv("hint.acpi.0.xsdt_length", buf, 1);
    }
    /* XXX other tables? */

    setenv("acpi_load", "YES", 1);
}

Example #2

File: biosacpi.c Project: dcui/FreeBSD-9.3_kernel

void
biosacpi_detect(void)
{
    ACPI_TABLE_RSDP	*rsdp;
    char		buf[24];
    int			revision;

    /* locate and validate the RSDP */
    if ((rsdp = biosacpi_find_rsdp()) == NULL)
	return;

    /* export values from the RSDP */
    sprintf(buf, "%u", VTOP(rsdp));
    setenv("hint.acpi.0.rsdp", buf, 1);
    revision = rsdp->Revision;
    if (revision == 0)
	revision = 1;
    sprintf(buf, "%d", revision);
    setenv("hint.acpi.0.revision", buf, 1);
    strncpy(buf, rsdp->OemId, sizeof(rsdp->OemId));
    buf[sizeof(rsdp->OemId)] = '\0';
    setenv("hint.acpi.0.oem", buf, 1);
    sprintf(buf, "0x%08x", rsdp->RsdtPhysicalAddress);
    setenv("hint.acpi.0.rsdt", buf, 1);
    if (revision >= 2) {
	/* XXX extended checksum? */
	sprintf(buf, "0x%016llx", rsdp->XsdtPhysicalAddress);
	setenv("hint.acpi.0.xsdt", buf, 1);
	sprintf(buf, "%d", rsdp->Length);
	setenv("hint.acpi.0.xsdt_length", buf, 1);
    }
}