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From 071cef46b87b605f8b4918a95dcecae08b843e23 Mon Sep 17 00:00:00 2001
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From: Jan Janssen <medhefgo@web.de>
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Date: Sun, 27 Nov 2022 13:38:18 +0100
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Subject: [PATCH] boot: Use EFI_BOOT_MANAGER_POLICY_PROTOCOL to connect console
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devices
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(cherry picked from commit b99bf5811850afdb2502ba37251c48348da63c82)
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Related: #2138081
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---
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src/boot/efi/console.c | 16 ++++++++++++++++
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src/boot/efi/missing_efi.h | 19 +++++++++++++++++++
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2 files changed, 35 insertions(+)
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diff --git a/src/boot/efi/console.c b/src/boot/efi/console.c
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index 14c0008afb..cd980fd535 100644
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--- a/src/boot/efi/console.c
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+++ b/src/boot/efi/console.c
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@@ -12,6 +12,20 @@
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#define VERTICAL_MAX_OK 1080
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#define VIEWPORT_RATIO 10
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+static EFI_STATUS console_connect(void) {
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+ EFI_BOOT_MANAGER_POLICY_PROTOCOL *boot_policy;
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+ EFI_STATUS err;
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+
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+ /* This should make console devices appear/fully initialize on fastboot firmware. */
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+
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+ err = BS->LocateProtocol(
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+ &(EFI_GUID) EFI_BOOT_MANAGER_POLICY_PROTOCOL_GUID, NULL, (void **) &boot_policy);
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+ if (err != EFI_SUCCESS)
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+ return err;
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+
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+ return boot_policy->ConnectDeviceClass(boot_policy, &(EFI_GUID) EFI_BOOT_MANAGER_POLICY_CONSOLE_GUID);
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+}
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+
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static inline void event_closep(EFI_EVENT *event) {
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if (!*event)
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return;
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@@ -47,6 +61,8 @@ EFI_STATUS console_key_read(uint64_t *key, uint64_t timeout_usec) {
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assert(key);
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if (!checked) {
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+ console_connect();
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+
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/* Get the *first* TextInputEx device.*/
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err = BS->LocateProtocol(&SimpleTextInputExProtocol, NULL, (void **) &extraInEx);
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if (err != EFI_SUCCESS || BS->CheckEvent(extraInEx->WaitForKeyEx) == EFI_INVALID_PARAMETER)
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diff --git a/src/boot/efi/missing_efi.h b/src/boot/efi/missing_efi.h
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index 250c84c248..b446e0399f 100644
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--- a/src/boot/efi/missing_efi.h
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+++ b/src/boot/efi/missing_efi.h
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@@ -398,3 +398,22 @@ typedef struct {
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void *StdErr;
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} EFI_SHELL_PARAMETERS_PROTOCOL;
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#endif
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+
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+#ifndef EFI_BOOT_MANAGER_POLICY_PROTOCOL_GUID
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+#define EFI_BOOT_MANAGER_POLICY_PROTOCOL_GUID \
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+ { 0xFEDF8E0C, 0xE147, 0x11E3, { 0x99, 0x03, 0xB8, 0xE8, 0x56, 0x2C, 0xBA, 0xFA } }
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+#define EFI_BOOT_MANAGER_POLICY_CONSOLE_GUID \
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+ { 0xCAB0E94C, 0xE15F, 0x11E3, { 0x91, 0x8D, 0xB8, 0xE8, 0x56, 0x2C, 0xBA, 0xFA } }
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+
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+typedef struct EFI_BOOT_MANAGER_POLICY_PROTOCOL EFI_BOOT_MANAGER_POLICY_PROTOCOL;
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+struct EFI_BOOT_MANAGER_POLICY_PROTOCOL {
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+ UINT64 Revision;
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+ EFI_STATUS (EFIAPI *ConnectDevicePath)(
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+ EFI_BOOT_MANAGER_POLICY_PROTOCOL *This,
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+ EFI_DEVICE_PATH *DevicePath,
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+ BOOLEAN Recursive);
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+ EFI_STATUS (EFIAPI *ConnectDeviceClass)(
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+ EFI_BOOT_MANAGER_POLICY_PROTOCOL *This,
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+ EFI_GUID *Class);
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+};
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+#endif
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