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D31916.id94994.diff
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D31916.id94994.diff
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diff --git a/sys/x86/acpica/acpi_wakeup.c b/sys/x86/acpica/acpi_wakeup.c
--- a/sys/x86/acpica/acpi_wakeup.c
+++ b/sys/x86/acpica/acpi_wakeup.c
@@ -99,7 +99,7 @@
#endif
#ifdef __amd64__
-#define ACPI_WAKEPAGES 5
+#define ACPI_WAKEPAGES 8
#else
#define ACPI_WAKEPAGES 1
#endif
@@ -164,16 +164,22 @@
int cpu;
u_char mpbiosreason;
- /* save the current value of the warm-start vector */
- mpbioswarmvec = *((uint32_t *)WARMBOOT_OFF);
- outb(CMOS_REG, BIOS_RESET);
- mpbiosreason = inb(CMOS_DATA);
-
- /* setup a vector to our boot code */
- *((volatile u_short *)WARMBOOT_OFF) = WARMBOOT_TARGET;
- *((volatile u_short *)WARMBOOT_SEG) = sc->acpi_wakephys >> 4;
- outb(CMOS_REG, BIOS_RESET);
- outb(CMOS_DATA, BIOS_WARM); /* 'warm-start' */
+#ifdef __amd64__
+ if (!efi_boot) {
+#endif
+ /* save the current value of the warm-start vector */
+ mpbioswarmvec = *((uint32_t *)WARMBOOT_OFF);
+ outb(CMOS_REG, BIOS_RESET);
+ mpbiosreason = inb(CMOS_DATA);
+
+ /* setup a vector to our boot code */
+ *((volatile u_short *)WARMBOOT_OFF) = WARMBOOT_TARGET;
+ *((volatile u_short *)WARMBOOT_SEG) = sc->acpi_wakephys >> 4;
+ outb(CMOS_REG, BIOS_RESET);
+ outb(CMOS_DATA, BIOS_WARM); /* 'warm-start' */
+#ifdef __amd64__
+ }
+#endif
/* Wake up each AP. */
for (cpu = 1; cpu < mp_ncpus; cpu++) {
@@ -197,11 +203,17 @@
pmap_remap_lowptdi(false);
#endif
- /* restore the warmstart vector */
- *(uint32_t *)WARMBOOT_OFF = mpbioswarmvec;
+#ifdef __amd64__
+ if (!efi_boot) {
+#endif
+ /* restore the warmstart vector */
+ *(uint32_t *)WARMBOOT_OFF = mpbioswarmvec;
- outb(CMOS_REG, BIOS_RESET);
- outb(CMOS_DATA, mpbiosreason);
+ outb(CMOS_REG, BIOS_RESET);
+ outb(CMOS_DATA, mpbiosreason);
+#ifdef __amd64__
+ }
+#endif
}
#endif
@@ -411,12 +423,12 @@
void
acpi_install_wakeup_handler(struct acpi_softc *sc)
{
- static void *wakeaddr;
- void *wakepages[ACPI_WAKEPAGES];
+ static void *wakeaddr;
+ void *wakepages[ACPI_WAKEPAGES];
#ifdef __amd64__
- uint64_t *pt5, *pt4, *pt3, *pt2;
- vm_paddr_t pt5pa, pt4pa, pt3pa, pt2pa;
- int i;
+ uint64_t *pt5, *pt4, *pt3, *pt2_0, *pt2_1, *pt2_2, *pt2_3;
+ vm_paddr_t pt5pa, pt4pa, pt3pa, pt2_0pa, pt2_1pa, pt2_2pa, pt2_3pa;
+ int i;
#endif
if (wakeaddr != NULL)
@@ -431,15 +443,21 @@
#ifdef __amd64__
if (la57) {
- pt5 = wakepages[4];
+ pt5 = wakepages[7];
pt5pa = vtophys(pt5);
}
pt4 = wakepages[1];
pt3 = wakepages[2];
- pt2 = wakepages[3];
+ pt2_0 = wakepages[3];
+ pt2_1 = wakepages[4];
+ pt2_2 = wakepages[5];
+ pt2_3 = wakepages[6];
pt4pa = vtophys(pt4);
pt3pa = vtophys(pt3);
- pt2pa = vtophys(pt2);
+ pt2_0pa = vtophys(pt2_0);
+ pt2_1pa = vtophys(pt2_1);
+ pt2_2pa = vtophys(pt2_2);
+ pt2_3pa = vtophys(pt2_3);
#endif
bcopy(wakecode, (void *)sc->acpi_wakeaddr, sizeof(wakecode));
@@ -461,31 +479,44 @@
#ifndef __amd64__
WAKECODE_FIXUP(wakeup_cr3, register_t, pmap_get_kcr3());
#else /* __amd64__ */
- /* Create the initial 1GB replicated page tables */
- for (i = 0; i < NPTEPG; i++) {
- if (la57) {
- pt5[i] = (uint64_t)pt4pa;
- pt5[i] |= PG_V | PG_RW | PG_U;
- }
-
- /*
- * Each slot of the level 4 pages points
- * to the same level 3 page
- */
- pt4[i] = (uint64_t)pt3pa;
- pt4[i] |= PG_V | PG_RW | PG_U;
-
- /*
- * Each slot of the level 3 pages points
- * to the same level 2 page
- */
- pt3[i] = (uint64_t)pt2pa;
- pt3[i] |= PG_V | PG_RW | PG_U;
+ /* Create 1:1 mapping for the low 4G */
+ if (la57) {
+ bcopy(kernel_pmap->pm_pmltop, pt5, PAGE_SIZE);
+ pt5[0] = (uint64_t)pt4pa;
+ pt5[0] |= PG_V | PG_RW | PG_U;
+ } else {
+ bcopy(kernel_pmap->pm_pmltop, pt4, PAGE_SIZE);
+ }
- /* The level 2 page slots are mapped with 2MB pages for 1GB. */
- pt2[i] = i * NBPDR;
- pt2[i] |= PG_V | PG_RW | PG_PS | PG_U;
+ pt4[0] = (uint64_t)pt3pa;
+ pt4[0] |= PG_V | PG_RW | PG_U;
+
+ pt3[0] = (uint64_t)pt2_0pa;
+ pt3[0] |= PG_V | PG_RW | PG_U;
+ pt3[1] = (uint64_t)pt2_1pa;
+ pt3[1] |= PG_V | PG_RW | PG_U;
+ pt3[2] = (uint64_t)pt2_2pa;
+ pt3[2] |= PG_V | PG_RW | PG_U;
+ pt3[3] = (uint64_t)pt2_3pa;
+ pt3[3] |= PG_V | PG_RW | PG_U;
+
+ for (i = 0; i < NPDEPG; i++) {
+ pt2_0[i] = (pd_entry_t)i * NBPDR;
+ pt2_0[i] |= PG_V | PG_RW | PG_PS | PG_U;
+ }
+ for (i = 0; i < NPDEPG; i++) {
+ pt2_1[i] = (pd_entry_t)NBPDP + i * NBPDR;
+ pt2_1[i] |= PG_V | PG_RW | PG_PS | PG_U;
}
+ for (i = 0; i < NPDEPG; i++) {
+ pt2_2[i] = (pd_entry_t)2 * NBPDP + i * NBPDR;
+ pt2_2[i] |= PG_V | PG_RW | PG_PS | PG_U;
+ }
+ for (i = 0; i < NPDEPG; i++) {
+ pt2_3[i] = (pd_entry_t)3 * NBPDP + i * NBPDR;
+ pt2_3[i] |= PG_V | PG_RW | PG_PS | PG_U;
+ }
+
#endif /* !__amd64__ */
if (bootverbose)
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D31916: amd64 acpi_wakeup: map 1:1 whole low 4G for initial page table
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