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[src/trunk]: src/sys/stand/efiboot Support EFI runtime and GOP FB for devicet...



details:   https://anonhg.NetBSD.org/src/rev/12ac612fb5e0
branches:  trunk
changeset: 976984:12ac612fb5e0
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Oct 10 19:17:39 2020 +0000

description:
Support EFI runtime and GOP FB for devicetree (non-ACPI) setups.

diffstat:

 sys/stand/efiboot/efiacpi.c |   5 +---
 sys/stand/efiboot/efifdt.c  |  55 ++++++++++++++++++++++++++++++++++----------
 sys/stand/efiboot/efifdt.h  |   3 +-
 sys/stand/efiboot/exec.c    |   8 ++----
 sys/stand/efiboot/version   |   3 +-
 5 files changed, 50 insertions(+), 24 deletions(-)

diffs (185 lines):

diff -r b163f41e28de -r 12ac612fb5e0 sys/stand/efiboot/efiacpi.c
--- a/sys/stand/efiboot/efiacpi.c       Sat Oct 10 18:53:56 2020 +0000
+++ b/sys/stand/efiboot/efiacpi.c       Sat Oct 10 19:17:39 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efiacpi.c,v 1.7 2020/05/14 19:19:08 riastradh Exp $ */
+/* $NetBSD: efiacpi.c,v 1.8 2020/10/10 19:17:39 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -155,9 +155,6 @@
        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 b163f41e28de -r 12ac612fb5e0 sys/stand/efiboot/efifdt.c
--- a/sys/stand/efiboot/efifdt.c        Sat Oct 10 18:53:56 2020 +0000
+++ b/sys/stand/efiboot/efifdt.c        Sat Oct 10 19:17:39 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efifdt.c,v 1.24 2020/06/21 17:24:26 jmcneill Exp $ */
+/* $NetBSD: efifdt.c,v 1.25 2020/10/10 19:17:39 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2019 Jason R. Thorpe
@@ -30,6 +30,7 @@
 #include "efiboot.h"
 #include "efifdt.h"
 #include "efiblock.h"
+#include "efiacpi.h"
 
 #include <libfdt.h>
 
@@ -55,6 +56,7 @@
 #define PRIxUINTN "x"
 #endif
 static void *fdt_data = NULL;
+static size_t fdt_data_size = 512*1024;
 
 int
 efi_fdt_probe(void)
@@ -76,10 +78,23 @@
 int
 efi_fdt_set_data(void *data)
 {
+       int err;
+
        if (fdt_check_header(data) != 0)
                return EINVAL;
 
-       fdt_data = data;
+       fdt_data = alloc(fdt_data_size);
+       if (fdt_data == NULL)
+               return ENOMEM;
+       memset(fdt_data, 0, fdt_data_size);
+
+       err = fdt_open_into(data, fdt_data, fdt_data_size);
+       if (err != 0) {
+               dealloc(fdt_data, fdt_data_size);
+               fdt_data = NULL;
+               return ENXIO;
+       }
+
        return 0;
 }
 
@@ -202,6 +217,18 @@
 }
 
 void
+efi_fdt_system_table(void)
+{
+#ifdef EFIBOOT_RUNTIME_ADDRESS
+       int chosen;
+
+       chosen = efi_fdt_chosen();
+
+       fdt_setprop_u64(fdt_data, chosen, "netbsd,uefi-system-table", (uint64_t)(uintptr_t)ST);
+#endif
+}
+
+void
 efi_fdt_memory_map(void)
 {
        UINTN nentries = 0, mapkey, descsize;
@@ -278,7 +305,7 @@
        EFI_HANDLE *gop_handle;
        UINTN ngop_handle, n;
        char buf[48];
-       int fb;
+       int fb, chosen;
 
        status = LibLocateHandle(ByProtocol, &GraphicsOutputProtocol, NULL, &ngop_handle, &gop_handle);
        if (EFI_ERROR(status) || ngop_handle == 0)
@@ -311,15 +338,13 @@
                        continue;
                }
 
-               fdt_setprop_u32(fdt_data,
-                   fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "#address-cells", 2);
-               fdt_setprop_u32(fdt_data,
-                   fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "#size-cells", 2);
-               fdt_setprop_empty(fdt_data,
-                   fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), "ranges");
+               chosen = efi_fdt_chosen();
+               fdt_setprop_u32(fdt_data, chosen, "#address-cells", 2);
+               fdt_setprop_u32(fdt_data, chosen, "#size-cells", 2);
+               fdt_setprop_empty(fdt_data, chosen, "ranges");
 
                snprintf(buf, sizeof(buf), "framebuffer@%" PRIx64, mode->FrameBufferBase);
-               fb = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH), buf);
+               fb = fdt_add_subnode(fdt_data, chosen, buf);
                if (fb < 0)
                        panic("FDT: Failed to create framebuffer node");
 
@@ -332,9 +357,13 @@
                fdt_appendprop_u32(fdt_data, fb, "stride", mode->Info->PixelsPerScanLine * 4);  /* XXX */
                fdt_appendprop_string(fdt_data, fb, "format", "a8b8g8r8");
 
-               snprintf(buf, sizeof(buf), "/chosen/framebuffer@%" PRIx64, mode->FrameBufferBase);
-               fdt_setprop_string(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH),
-                   "stdout-path", buf);
+               /*
+                * In ACPI mode, use GOP as console.
+                */
+               if (efi_acpi_available()) {
+                       snprintf(buf, sizeof(buf), "/chosen/framebuffer@%" PRIx64, mode->FrameBufferBase);
+                       fdt_setprop_string(fdt_data, chosen, "stdout-path", buf);
+               }
 
                return;
        }
diff -r b163f41e28de -r 12ac612fb5e0 sys/stand/efiboot/efifdt.h
--- a/sys/stand/efiboot/efifdt.h        Sat Oct 10 18:53:56 2020 +0000
+++ b/sys/stand/efiboot/efifdt.h        Sat Oct 10 19:17:39 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efifdt.h,v 1.9 2020/06/21 17:24:26 jmcneill Exp $ */
+/* $NetBSD: efifdt.h,v 1.10 2020/10/10 19:17:39 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -42,3 +42,4 @@
 void efi_fdt_module(const char *, u_long, u_long);
 void efi_fdt_init(u_long, u_long);
 void efi_fdt_fini(void);
+void efi_fdt_system_table(void);
diff -r b163f41e28de -r 12ac612fb5e0 sys/stand/efiboot/exec.c
--- a/sys/stand/efiboot/exec.c  Sat Oct 10 18:53:56 2020 +0000
+++ b/sys/stand/efiboot/exec.c  Sat Oct 10 19:17:39 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: exec.c,v 1.18 2020/06/28 11:39:50 jmcneill Exp $ */
+/* $NetBSD: exec.c,v 1.19 2020/10/10 19:17:39 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2019 Jason R. Thorpe
@@ -315,10 +315,8 @@
                efi_fdt_rndseed(rndseed_addr, rndseed_size);
                efi_fdt_efirng(efirng_addr, efirng_size);
                efi_fdt_bootargs(args);
-#ifdef EFIBOOT_ACPI
-               if (efi_acpi_available())
-                       efi_fdt_gop();
-#endif
+               efi_fdt_system_table();
+               efi_fdt_gop();
                efi_fdt_memory_map();
        }
 
diff -r b163f41e28de -r 12ac612fb5e0 sys/stand/efiboot/version
--- a/sys/stand/efiboot/version Sat Oct 10 18:53:56 2020 +0000
+++ b/sys/stand/efiboot/version Sat Oct 10 19:17:39 2020 +0000
@@ -1,4 +1,4 @@
-$NetBSD: version,v 1.19 2020/06/28 11:39:50 jmcneill Exp $
+$NetBSD: version,v 1.20 2020/10/10 19:17:39 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
@@ -23,3 +23,4 @@
 2.0:   Add boot.cfg support.
 2.1:   Remove efiboot.plist support; support dtoverlay in boot.cfg.
 2.2:   Remove support for storing settings in EFI env vars.
+2.3:   EFI RT and GOP support for devicetree mode.



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