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[src/trunk]: src/sys/stand/efiboot Add support for simple framebuffers when b...
details: https://anonhg.NetBSD.org/src/rev/6b617839031b
branches: trunk
changeset: 457908:6b617839031b
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Wed Jul 24 11:40:36 2019 +0000
description:
Add support for simple framebuffers when booting in ACPI mode.
diffstat:
sys/stand/efiboot/efifdt.c | 84 ++++++++++++++++++++++++++++++++++++++++++++-
sys/stand/efiboot/efifdt.h | 3 +-
sys/stand/efiboot/exec.c | 6 ++-
sys/stand/efiboot/version | 3 +-
4 files changed, 91 insertions(+), 5 deletions(-)
diffs (177 lines):
diff -r 9a9a36fc61bb -r 6b617839031b sys/stand/efiboot/efifdt.c
--- a/sys/stand/efiboot/efifdt.c Wed Jul 24 11:34:55 2019 +0000
+++ b/sys/stand/efiboot/efifdt.c Wed Jul 24 11:40:36 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efifdt.c,v 1.15 2019/04/21 22:30:41 thorpej Exp $ */
+/* $NetBSD: efifdt.c,v 1.16 2019/07/24 11:40:36 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jason R. Thorpe
@@ -185,7 +185,7 @@
EFI_MEMORY_DESCRIPTOR *md, *memmap;
UINT32 descver;
UINT64 phys_start, phys_size;
- int n, memory;
+ int n, memory, chosen;
memory = fdt_path_offset(fdt_data, FDT_MEMORY_NODE_PATH);
if (memory < 0)
@@ -193,6 +193,12 @@
if (memory < 0)
panic("FDT: Failed to create " FDT_MEMORY_NODE_PATH " node");
+ chosen = fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH);
+ if (chosen < 0)
+ chosen = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, "/"), FDT_CHOSEN_NODE_NAME);
+ if (chosen < 0)
+ panic("FDT: Failed to create " FDT_CHOSEN_NODE_PATH " node");
+
fdt_delprop(fdt_data, memory, "reg");
const int address_cells = fdt_address_cells(fdt_data, fdt_path_offset(fdt_data, "/"));
@@ -202,6 +208,12 @@
for (n = 0, md = memmap; n < nentries; n++, md = NextMemoryDescriptor(md, descsize)) {
if ((md->Attribute & EFI_MEMORY_RUNTIME) != 0)
continue;
+
+ fdt_appendprop_u32(fdt_data, chosen, "netbsd,uefi-memory-map", md->Type);
+ fdt_appendprop_u64(fdt_data, chosen, "netbsd,uefi-memory-map", md->PhysicalStart);
+ fdt_appendprop_u64(fdt_data, chosen, "netbsd,uefi-memory-map", md->NumberOfPages);
+ fdt_appendprop_u64(fdt_data, chosen, "netbsd,uefi-memory-map", md->Attribute);
+
if ((md->Attribute & EFI_MEMORY_WB) == 0)
continue;
if (!FDT_MEMORY_USABLE(md))
@@ -239,6 +251,70 @@
}
void
+efi_fdt_gop(void)
+{
+ EFI_STATUS status;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *gop;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *mode;
+ EFI_HANDLE *gop_handle;
+ UINTN ngop_handle, n;
+ char buf[48];
+ int fb;
+
+ status = LibLocateHandle(ByProtocol, &GraphicsOutputProtocol, NULL, &ngop_handle, &gop_handle);
+ if (EFI_ERROR(status) || ngop_handle == 0)
+ return;
+
+ for (n = 0; n < ngop_handle; n++) {
+ status = uefi_call_wrapper(BS->HandleProtocol, 3, gop_handle[n], &GraphicsOutputProtocol, (void **)&gop);
+ if (EFI_ERROR(status))
+ continue;
+
+ mode = gop->Mode;
+ if (mode == NULL)
+ continue;
+
+#ifdef EFIBOOT_DEBUG
+ printf("GOP: FB @ 0x%lx size 0x%lx\n", mode->FrameBufferBase, mode->FrameBufferSize);
+ printf("GOP: Version %d\n", mode->Info->Version);
+ printf("GOP: HRes %d VRes %d\n", mode->Info->HorizontalResolution, mode->Info->VerticalResolution);
+ printf("GOP: PixelFormat %d\n", mode->Info->PixelFormat);
+ printf("GOP: PixelBitmask R 0x%x G 0x%x B 0x%x Res 0x%x\n",
+ mode->Info->PixelInformation.RedMask,
+ mode->Info->PixelInformation.GreenMask,
+ mode->Info->PixelInformation.BlueMask,
+ mode->Info->PixelInformation.ReservedMask);
+ printf("GOP: Pixels per scanline %d\n", mode->Info->PixelsPerScanLine);
+#endif
+
+ if (mode->Info->PixelFormat == PixelBltOnly) {
+ printf("GOP: PixelBltOnly pixel format not supported\n");
+ continue;
+ }
+
+ snprintf(buf, sizeof(buf), "framebuffer@%lx", mode->FrameBufferBase);
+ fb = fdt_add_subnode(fdt_data, fdt_path_offset(fdt_data, "/chosen"), buf);
+ if (fb < 0)
+ panic("FDT: Failed to create framebuffer node");
+
+ fdt_appendprop_string(fdt_data, fb, "compatible", "simple-framebuffer");
+ fdt_appendprop_string(fdt_data, fb, "status", "okay");
+ fdt_appendprop_u64(fdt_data, fb, "reg", mode->FrameBufferBase);
+ fdt_appendprop_u64(fdt_data, fb, "reg", mode->FrameBufferSize);
+ fdt_appendprop_u32(fdt_data, fb, "width", mode->Info->HorizontalResolution);
+ fdt_appendprop_u32(fdt_data, fb, "height", mode->Info->VerticalResolution);
+ 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@%lx", mode->FrameBufferBase);
+ fdt_setprop_string(fdt_data, fdt_path_offset(fdt_data, FDT_CHOSEN_NODE_PATH),
+ "stdout-path", buf);
+
+ return;
+ }
+}
+
+void
efi_fdt_bootargs(const char *bootargs)
{
struct efi_block_part *bpart = efi_block_boot_part();
@@ -251,6 +327,10 @@
if (chosen < 0)
panic("FDT: Failed to create " FDT_CHOSEN_NODE_PATH " node");
+ 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");
+
if (*bootargs)
fdt_setprop_string(fdt_data, chosen, "bootargs", bootargs);
diff -r 9a9a36fc61bb -r 6b617839031b sys/stand/efiboot/efifdt.h
--- a/sys/stand/efiboot/efifdt.h Wed Jul 24 11:34:55 2019 +0000
+++ b/sys/stand/efiboot/efifdt.h Wed Jul 24 11:40:36 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: efifdt.h,v 1.5 2019/04/21 22:30:41 thorpej Exp $ */
+/* $NetBSD: efifdt.h,v 1.6 2019/07/24 11:40:36 jmcneill Exp $ */
/*-
* Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -28,6 +28,7 @@
int efi_fdt_probe(void);
void efi_fdt_memory_map(void);
+void efi_fdt_gop(void);
int efi_fdt_set_data(void *);
void *efi_fdt_data(void);
int efi_fdt_size(void);
diff -r 9a9a36fc61bb -r 6b617839031b sys/stand/efiboot/exec.c
--- a/sys/stand/efiboot/exec.c Wed Jul 24 11:34:55 2019 +0000
+++ b/sys/stand/efiboot/exec.c Wed Jul 24 11:40:36 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: exec.c,v 1.10 2019/04/21 22:30:41 thorpej Exp $ */
+/* $NetBSD: exec.c,v 1.11 2019/07/24 11:40:36 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jason R. Thorpe
@@ -330,6 +330,10 @@
load_fdt_overlays();
efi_fdt_initrd(initrd_addr, initrd_size);
efi_fdt_bootargs(args);
+#ifdef EFIBOOT_ACPI
+ if (efi_acpi_available())
+ efi_fdt_gop();
+#endif
efi_fdt_memory_map();
}
diff -r 9a9a36fc61bb -r 6b617839031b sys/stand/efiboot/version
--- a/sys/stand/efiboot/version Wed Jul 24 11:34:55 2019 +0000
+++ b/sys/stand/efiboot/version Wed Jul 24 11:40:36 2019 +0000
@@ -1,4 +1,4 @@
-$NetBSD: version,v 1.10 2019/04/21 22:30:41 thorpej Exp $
+$NetBSD: version,v 1.11 2019/07/24 11:40:36 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
@@ -14,3 +14,4 @@
1.7: Add NFS support.
1.8: Add support for "bootargs" environment variable.
1.9: Add support for efiboot.plist and loading device tree overlays.
+1.10: Add support for EFI GOP framebuffers in ACPI mode.
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