shutdown: Use new acpi RPC to halt machine, clean up

This allows clean shutdown of all modern x86 machines
(not just qemu) by using the acpi translator to call
into libacpica code.
Message-Id: <20220912103837.556815-3-damien@zamaudio.com>

1 files changed, 0 insertions, 66 deletions

diff --git a/shutdown/acpi_shutdown.c b/shutdown/acpi_shutdown.c
deleted file mode 100644
index fde70111..00000000
--- a/shutdown/acpi_shutdown.c
+++ /dev/null
@@ -1,66 +0,0 @@
-#include <stdio.h>
-#include <errno.h>
-#include <inttypes.h>
-#include <stdlib.h>
-#include <sys/io.h>
-#include <mach.h>
-#include "acpi_shutdown.h"
-
-void disappear_via_acpi(void)
-{
-  uint16_t i, pm1a_ctl, smi_cmd;
-  uint8_t regbuf[2], acpi_en;
-  FILE *facp;
-
-  /* Open the ACPI FADT table */
-  facp = fopen(SERVERS_ACPI_FADT, "r");
-  if (!facp)
-    exit(errno);
-
-  /* Grab value to write to SMI_CMD to enable ACPI */
-  fseek(facp, SMI_EN_OFFSET, SEEK_SET);
-  fread(&acpi_en, 1, 1, facp);
-
-  /* Grab SMI_CMD I/O port */
-  fseek(facp, SMI_CMD_OFFSET, SEEK_SET);
-  fread(regbuf, 2, 1, facp);
-  smi_cmd = (uint16_t)regbuf[0] |
-            ((uint16_t)regbuf[1] << 8);
-
-  /* Grab PM1a Control I/O port */
-  fseek(facp, PM1A_CTL_OFFSET, SEEK_SET);
-  fread(regbuf, 2, 1, facp);
-  pm1a_ctl = (uint16_t)regbuf[0] |
-             ((uint16_t)regbuf[1] << 8);
-
-  /* Close the ACPI FADT table */
-  fclose(facp);
-
-  /* Get I/O permissions */
-  if (ioperm(smi_cmd, 2, 1)) {
-    fprintf(stderr, "EPERM on ioperm(smi_cmd)\n");
-    return;
-  }
-  if (ioperm(pm1a_ctl, 2, 1)) {
-    fprintf(stderr, "EPERM on ioperm(pm1a_ctl)\n");
-    return;
-  }
-
-  /* Enable ACPI */
-  outb(acpi_en, smi_cmd);
-  for (i = 0; i < 300; i++)
-  {
-    if ( (inw(pm1a_ctl) & SCI_EN) == SCI_EN)
-      break;
-  }
-
-  /* Kill machine */
-
-  /* try sleep state 5 first */
-  outw(SLP_TYP5 | SLP_EN, pm1a_ctl);
-
-  /* if we reach here then above did not work */
-  outw(SLP_TYP0 | SLP_EN, pm1a_ctl);
-
-  /* Never reached */
-}