ports/sysutils/u-boot-bhyve-riscv/files/patch-board_emulation_bhyve-riscv_bhyve-riscv.c
Ruslan Bukin 5838f13ec0 sysutils/u-boot-bhyve-riscv: New port
Configuration of u-boot for bhyve hypervisor (RISC-V architecture).
This intended to run in RISC-V supervisor ("S") mode as a guest OS.

Reviewed By: arrowd, manu

Differential Revision: https://reviews.freebsd.org/D46257
2024-09-02 16:01:50 +01:00

75 lines
1.4 KiB
C

+++ board/emulation/bhyve-riscv/bhyve-riscv.c.orig
+++ board/emulation/bhyve-riscv/bhyve-riscv.c
@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <dm.h>
+#include <dm/ofnode.h>
+#include <env.h>
+#include <fdtdec.h>
+#include <image.h>
+#include <log.h>
+#include <spl.h>
+#include <init.h>
+#include <usb.h>
+#include <virtio_types.h>
+#include <virtio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if IS_ENABLED(CONFIG_MTD_NOR_FLASH)
+int is_flash_available(void)
+{
+ if (!ofnode_equal(ofnode_by_compatible(ofnode_null(), "cfi-flash"),
+ ofnode_null()))
+ return 1;
+
+ return 0;
+}
+#endif
+
+int board_init(void)
+{
+ return 0;
+}
+
+int board_late_init(void)
+{
+ /* start usb so that usb keyboard can be used as input device */
+ if (CONFIG_IS_ENABLED(USB_KEYBOARD))
+ usb_init();
+
+ /*
+ * Make sure virtio bus is enumerated so that peripherals
+ * on the virtio bus can be discovered by their drivers
+ */
+ virtio_init();
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL
+u32 spl_boot_device(void)
+{
+ /* RISC-V QEMU only supports RAM as SPL boot device */
+ return BOOT_DEVICE_RAM;
+}
+#endif
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* boot using first FIT config */
+ return 0;
+}
+#endif
+
+void *board_fdt_blob_setup(int *err)
+{
+ *err = 0;
+ /* Stored the DTB address there during our init */
+ return (void *)(ulong)gd->arch.firmware_fdt_addr;
+}