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[src/trunk]: src/sys/stand/efiboot Make EFI runtime services available to the...
details: https://anonhg.NetBSD.org/src/rev/5399f151e74e
branches: trunk
changeset: 445413:5399f151e74e
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Sun Oct 28 10:17:47 2018 +0000
description:
Make EFI runtime services available to the kernel. Bump version to 1.5.
diffstat:
sys/stand/efiboot/bootaa64/Makefile | 4 +-
sys/stand/efiboot/efiacpi.c | 5 +-
sys/stand/efiboot/efiboot.c | 84 +++++++++++++++++++++++++++++++++++-
sys/stand/efiboot/exec.c | 8 ++-
sys/stand/efiboot/version | 3 +-
5 files changed, 95 insertions(+), 9 deletions(-)
diffs (198 lines):
diff -r 58257a42f413 -r 5399f151e74e sys/stand/efiboot/bootaa64/Makefile
--- a/sys/stand/efiboot/bootaa64/Makefile Sun Oct 28 00:44:37 2018 +0000
+++ b/sys/stand/efiboot/bootaa64/Makefile Sun Oct 28 10:17:47 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.4 2018/10/21 00:57:38 jmcneill Exp $
+# $NetBSD: Makefile,v 1.5 2018/10/28 10:17:47 jmcneill Exp $
PROG= bootaa64.efi
OBJFMT= binary
@@ -9,6 +9,8 @@
COPTS+= -mgeneral-regs-only -fno-jump-tables
CFLAGS+= -DEFIBOOT_ALIGN=0x200000
+CFLAGS+= -DEFIBOOT_RUNTIME_ADDRESS=0xffff800000000000L
+CFLAGS+= -DEFIBOOT_RUNTIME_SIZE=0x40000000UL
CFLAGS+= -DEFIBOOT_ACPI
.include "${.CURDIR}/../Makefile.efiboot"
diff -r 58257a42f413 -r 5399f151e74e sys/stand/efiboot/efiacpi.c
--- a/sys/stand/efiboot/efiacpi.c Sun Oct 28 00:44:37 2018 +0000
+++ b/sys/stand/efiboot/efiacpi.c Sun Oct 28 10:17:47 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efiacpi.c,v 1.2 2018/10/23 10:12:59 jmcneill Exp $ */
+/* $NetBSD: efiacpi.c,v 1.3 2018/10/28 10:17:47 jmcneill Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -103,6 +103,9 @@
fdt_setprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,acpi-root-table", (uint64_t)(uintptr_t)acpi_root);
if (smbios3_table)
fdt_setprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,smbios-table", (uint64_t)(uintptr_t)smbios3_table);
+#ifdef EFIBOOT_RUNTIME_ADDRESS
+ fdt_setprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-system-table", (uint64_t)(uintptr_t)ST);
+#endif
fdt_add_subnode(fdt, fdt_path_offset(fdt, "/"), "acpi");
fdt_setprop_string(fdt, fdt_path_offset(fdt, "/acpi"), "compatible", "netbsd,acpi");
diff -r 58257a42f413 -r 5399f151e74e sys/stand/efiboot/efiboot.c
--- a/sys/stand/efiboot/efiboot.c Sun Oct 28 00:44:37 2018 +0000
+++ b/sys/stand/efiboot/efiboot.c Sun Oct 28 10:17:47 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efiboot.c,v 1.9 2018/10/12 22:08:04 jmcneill Exp $ */
+/* $NetBSD: efiboot.c,v 1.10 2018/10/28 10:17:47 jmcneill Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -34,6 +34,8 @@
#include <sys/reboot.h>
+#include <libfdt.h>
+
EFI_HANDLE IH;
EFI_DEVICE_PATH *efi_bootdp;
EFI_LOADED_IMAGE *efi_li;
@@ -41,7 +43,7 @@
int howto = 0;
static EFI_PHYSICAL_ADDRESS heap_start;
-static UINTN heap_size = 1 * 1024 * 1024;
+static UINTN heap_size = 8 * 1024 * 1024;
static EFI_EVENT delay_ev = 0;
EFI_STATUS EFIAPI efi_main(EFI_HANDLE, EFI_SYSTEM_TABLE *);
@@ -92,18 +94,92 @@
return EFI_SUCCESS;
}
+#ifdef EFIBOOT_RUNTIME_ADDRESS
+static uint64_t
+efi_runtime_alloc_va(uint64_t npages)
+{
+ static uint64_t va = EFIBOOT_RUNTIME_ADDRESS;
+ static uint64_t sz = EFIBOOT_RUNTIME_SIZE;
+ uint64_t nva;
+
+ if (sz < (npages * EFI_PAGE_SIZE))
+ panic("efi_acpi_alloc_va: couldn't allocate %" PRIu64 " pages", npages);
+
+ nva = va;
+ va += (npages * EFI_PAGE_SIZE);
+ sz -= (npages * EFI_PAGE_SIZE);
+
+ return nva;
+}
+#endif
+
+#ifdef EFIBOOT_RUNTIME_ADDRESS
+static void
+efi_set_virtual_address_map(EFI_MEMORY_DESCRIPTOR *memmap, UINTN nentries, UINTN mapkey, UINTN descsize, UINT32 descver)
+{
+ EFI_MEMORY_DESCRIPTOR *md, *vmd, *vmemmap;
+ EFI_STATUS status;
+ int n, nrt;
+ void *fdt;
+
+ fdt = efi_fdt_data();
+
+ vmemmap = alloc(nentries * descsize);
+ if (vmemmap == NULL)
+ panic("FATAL: couldn't allocate virtual memory map");
+
+ for (n = 0, nrt = 0, vmd = vmemmap, md = memmap; n < nentries; n++, md = NextMemoryDescriptor(md, descsize)) {
+ if ((md->Attribute & EFI_MEMORY_RUNTIME) == 0)
+ continue;
+ md->VirtualStart = efi_runtime_alloc_va(md->NumberOfPages);
+
+ switch (md->Type) {
+ case EfiRuntimeServicesCode:
+ fdt_appendprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-runtime-code", md->PhysicalStart);
+ fdt_appendprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-runtime-code", md->VirtualStart);
+ fdt_appendprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-runtime-code", md->NumberOfPages * EFI_PAGE_SIZE);
+ break;
+ case EfiRuntimeServicesData:
+ fdt_appendprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-runtime-data", md->PhysicalStart);
+ fdt_appendprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-runtime-data", md->VirtualStart);
+ fdt_appendprop_u64(fdt, fdt_path_offset(fdt, "/chosen"), "netbsd,uefi-runtime-data", md->NumberOfPages * EFI_PAGE_SIZE);
+ break;
+ default:
+ break;
+ }
+
+ *vmd = *md;
+ vmd = NextMemoryDescriptor(vmd, descsize);
+ ++nrt;
+ }
+
+ status = uefi_call_wrapper(RT->SetVirtualAddressMap, 4, nrt * descsize, descsize, descver, vmemmap);
+ if (EFI_ERROR(status)) {
+ printf("WARNING: SetVirtualAddressMap failed\n");
+ return;
+ }
+}
+#endif
+
void
efi_cleanup(void)
{
EFI_STATUS status;
+ EFI_MEMORY_DESCRIPTOR *memmap;
UINTN nentries, mapkey, descsize;
UINT32 descver;
- LibMemoryMap(&nentries, &mapkey, &descsize, &descver);
+ memmap = LibMemoryMap(&nentries, &mapkey, &descsize, &descver);
status = uefi_call_wrapper(BS->ExitBootServices, 2, IH, mapkey);
- if (EFI_ERROR(status))
+ if (EFI_ERROR(status)) {
printf("WARNING: ExitBootServices failed\n");
+ return;
+ }
+
+#ifdef EFIBOOT_RUNTIME_ADDRESS
+ efi_set_virtual_address_map(memmap, nentries, mapkey, descsize, descver);
+#endif
}
void
diff -r 58257a42f413 -r 5399f151e74e sys/stand/efiboot/exec.c
--- a/sys/stand/efiboot/exec.c Sun Oct 28 00:44:37 2018 +0000
+++ b/sys/stand/efiboot/exec.c Sun Oct 28 10:17:47 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: exec.c,v 1.7 2018/10/12 22:08:04 jmcneill Exp $ */
+/* $NetBSD: exec.c,v 1.8 2018/10/28 10:17:47 jmcneill Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -168,10 +168,14 @@
efi_fdt_initrd(initrd_addr, initrd_size);
efi_fdt_bootargs(args);
efi_fdt_memory_map();
+ }
+
+ efi_cleanup();
+
+ if (efi_fdt_size() > 0) {
efi_fdt_fini();
}
- efi_cleanup();
efi_boot_kernel(marks);
/* This should not happen.. */
diff -r 58257a42f413 -r 5399f151e74e sys/stand/efiboot/version
--- a/sys/stand/efiboot/version Sun Oct 28 00:44:37 2018 +0000
+++ b/sys/stand/efiboot/version Sun Oct 28 10:17:47 2018 +0000
@@ -1,4 +1,4 @@
-$NetBSD: version,v 1.5 2018/10/26 20:56:35 mrg Exp $
+$NetBSD: version,v 1.6 2018/10/28 10:17:47 jmcneill Exp $
NOTE ANY CHANGES YOU MAKE TO THE EFI BOOTLOADER HERE. The format of this
file is important - make sure the entries are appended on end, last item
@@ -9,3 +9,4 @@
1.2: Add environment variable support.
1.3: Add ACPI support.
1.4: Add bootfile support.
+1.5: EFI runtime support.
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