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m68k: add Virtual M68k Machine

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The machine is based on Goldfish interfaces defined by Google
for Android simulator. It uses Goldfish-rtc (timer and RTC),
Goldfish-pic (PIC) and Goldfish-tty (for serial port and early tty).

The machine is created with 128 virtio-mmio bus, and they can
be used to use serial console, GPU, disk, NIC, HID, ...

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210312214145.2936082-6-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2021-03-12 22:41:45 +01:00
parent 0791bc02b8
commit e1cecdca55
6 changed files with 355 additions and 0 deletions
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18
include/standard-headers/asm-m68k/bootinfo-virt.h Normal file
View file

@ -0,0 +1,18 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
** asm/bootinfo-virt.h -- Virtual-m68k-specific boot information definitions
*/
#ifndef _UAPI_ASM_M68K_BOOTINFO_VIRT_H
#define _UAPI_ASM_M68K_BOOTINFO_VIRT_H
#define BI_VIRT_QEMU_VERSION 0x8000
#define BI_VIRT_GF_PIC_BASE 0x8001
#define BI_VIRT_GF_RTC_BASE 0x8002
#define BI_VIRT_GF_TTY_BASE 0x8003
#define BI_VIRT_VIRTIO_BASE 0x8004
#define BI_VIRT_CTRL_BASE 0x8005
#define VIRT_BOOTI_VERSION MK_BI_VERSION(2, 0)
#endif /* _UAPI_ASM_M68K_BOOTINFO_MAC_H */