From e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb Mon Sep 17 00:00:00 2001 From: Yang Zhang Date: Fri, 28 Aug 2015 09:58:54 +0800 Subject: Add qemu 2.4.0 Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang --- qemu/pc-bios/s390-ccw/s390-ccw.h | 146 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 qemu/pc-bios/s390-ccw/s390-ccw.h (limited to 'qemu/pc-bios/s390-ccw/s390-ccw.h') diff --git a/qemu/pc-bios/s390-ccw/s390-ccw.h b/qemu/pc-bios/s390-ccw/s390-ccw.h new file mode 100644 index 000000000..5484c2a45 --- /dev/null +++ b/qemu/pc-bios/s390-ccw/s390-ccw.h @@ -0,0 +1,146 @@ +/* + * S390 CCW boot loader + * + * Copyright (c) 2013 Alexander Graf + * + * This work is licensed under the terms of the GNU GPL, version 2 or (at + * your option) any later version. See the COPYING file in the top-level + * directory. + */ + +#ifndef S390_CCW_H +#define S390_CCW_H + +/* #define DEBUG */ + +typedef unsigned char u8; +typedef unsigned short u16; +typedef unsigned int u32; +typedef unsigned long long u64; +typedef unsigned long ulong; +typedef long size_t; +typedef int bool; +typedef unsigned char uint8_t; +typedef unsigned short uint16_t; +typedef unsigned int uint32_t; +typedef unsigned long long uint64_t; +typedef unsigned char __u8; +typedef unsigned short __u16; +typedef unsigned int __u32; +typedef unsigned long long __u64; + +#define true 1 +#define false 0 +#define PAGE_SIZE 4096 + +#ifndef EIO +#define EIO 1 +#endif +#ifndef EBUSY +#define EBUSY 2 +#endif +#ifndef NULL +#define NULL 0 +#endif + +#include "cio.h" + +/* start.s */ +void disabled_wait(void); +void consume_sclp_int(void); + +/* main.c */ +void virtio_panic(const char *string); +void write_subsystem_identification(void); +extern char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE))); +extern char ring_area[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE))); +extern uint64_t boot_value; + +/* sclp-ascii.c */ +void sclp_print(const char *string); +void sclp_setup(void); + +/* virtio.c */ +unsigned long virtio_load_direct(ulong rec_list1, ulong rec_list2, + ulong subchan_id, void *load_addr); +bool virtio_is_blk(struct subchannel_id schid); +void virtio_setup_block(struct subchannel_id schid); +int virtio_read(ulong sector, void *load_addr); +int enable_mss_facility(void); + +/* bootmap.c */ +void zipl_load(void); + +static inline void *memset(void *s, int c, size_t n) +{ + int i; + unsigned char *p = s; + + for (i = 0; i < n; i++) { + p[i] = c; + } + + return s; +} + +static inline void fill_hex(char *out, unsigned char val) +{ + const char hex[] = "0123456789abcdef"; + + out[0] = hex[(val >> 4) & 0xf]; + out[1] = hex[val & 0xf]; +} + +static inline void fill_hex_val(char *out, void *ptr, unsigned size) +{ + unsigned char *value = ptr; + unsigned int i; + + for (i = 0; i < size; i++) { + fill_hex(&out[i*2], value[i]); + } +} + +static inline void print_int(const char *desc, u64 addr) +{ + char out[] = ": 0xffffffffffffffff\n"; + + fill_hex_val(&out[4], &addr, sizeof(addr)); + + sclp_print(desc); + sclp_print(out); +} + +static inline void debug_print_int(const char *desc, u64 addr) +{ +#ifdef DEBUG + print_int(desc, addr); +#endif +} + +static inline void debug_print_addr(const char *desc, void *p) +{ +#ifdef DEBUG + debug_print_int(desc, (unsigned int)(unsigned long)p); +#endif +} + +/*********************************************** + * Hypercall functions * + ***********************************************/ + +#define KVM_S390_VIRTIO_NOTIFY 0 +#define KVM_S390_VIRTIO_RESET 1 +#define KVM_S390_VIRTIO_SET_STATUS 2 +#define KVM_S390_VIRTIO_CCW_NOTIFY 3 + +static inline void yield(void) +{ + asm volatile ("diag 0,0,0x44" + : : + : "memory", "cc"); +} + +#define MAX_SECTOR_SIZE 4096 + +#endif /* S390_CCW_H */ -- cgit 1.2.3-korg