Commit 3e437498 authored by Gerd Hoffmann's avatar Gerd Hoffmann
Browse files

acpi: drop debug port 



I'm pretty sure this isn't needed any more.  I think this predates the
switch to seabios, and the seabios DSDT table has a DBUG() aml macro
which writes stuff to the seabios debug port (0x402).

Signed-off-by: default avatarGerd Hoffmann <kraxel@redhat.com>
parent 3f5bc9e8

hw/acpi_piix4.c

+0 −9
Original line number Diff line number Diff line
@@ -38,8 +38,6 @@ 
# define PIIX4_DPRINTF(format, ...)     do { } while (0)

#endif



#define ACPI_DBG_IO_ADDR  0xb044



#define GPE_BASE 0xafe0

#define GPE_LEN 4
@@ -129,11 +127,6 @@ static void apm_ctrl_changed(uint32_t val, void *arg) 
    }

}



static void acpi_dbg_writel(void *opaque, uint32_t addr, uint32_t val)

{

    PIIX4_DPRINTF("ACPI: DBG: 0x%08x\n", val);

}



static void pm_io_space_update(PIIX4PMState *s)

{

    uint32_t pm_io_base;
@@ -400,8 +393,6 @@ static int piix4_pm_initfn(PCIDevice *dev) 
    /* APM */

    apm_init(&s->apm, apm_ctrl_changed, s);



    register_ioport_write(ACPI_DBG_IO_ADDR, 4, 4, acpi_dbg_writel, s);



    if (s->kvm_enabled) {

        /* Mark SMM as already inited to prevent SMM from running.  KVM does not

         * support SMM mode. */