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add initial sparc32 (qemu) support by Blue Swirl
git-svn-id: svn://coreboot.org/openbios/openbios-devel@3 f158a5a8-5612-0410-a976-696ce0be7e32
This commit is contained in:
Stefan Reinauer
5
include/sparc32/elf.h
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5
include/sparc32/elf.h
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@@ -0,0 +1,5 @@
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#define ARCH_ELF_CLASS ELFCLASS32
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#define ARCH_ELF_DATA ELFDATA2MSB
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#define ARCH_ELF_MACHINE_OK(x) ((x)==EM_SPARC || (x)==EM_SPARC32PLUS)
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typedef Elf32_Ehdr Elf_ehdr;
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typedef Elf32_Phdr Elf_phdr;
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188
include/sparc32/io.h
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188
include/sparc32/io.h
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#ifndef _ASM_IO_H
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#define _ASM_IO_H
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#include "asm/types.h"
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#define phys_to_virt(phys) ((void *) ((unsigned long) (phys)))
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#define virt_to_phys(virt) ((unsigned long) (virt))
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#ifndef BOOTSTRAP
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#ifndef _IO_BASE
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#define _IO_BASE 0
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#endif
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/*
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* The insw/outsw/insl/outsl macros don't do byte-swapping.
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* They are only used in practice for transferring buffers which
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* are arrays of bytes, and byte-swapping is not appropriate in
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* that case. - paulus
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*/
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#define insw(port, buf, ns) _insw_ns((uint16_t *)((port)+_IO_BASE), (buf), (ns))
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#define outsw(port, buf, ns) _outsw_ns((uint16_t *)((port)+_IO_BASE), (buf), (ns))
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#define inb(port) in_8((uint8_t *)((port)+_IO_BASE))
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#define outb(val, port) out_8((uint8_t *)((port)+_IO_BASE), (val))
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#define inw(port) in_le16((uint16_t *)((port)+_IO_BASE))
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#define outw(val, port) out_le16((uint16_t *)((port)+_IO_BASE), (val))
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#define inl(port) in_le32((uint32_t *)((port)+_IO_BASE))
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#define outl(val, port) out_le32((uint32_t *)((port)+_IO_BASE), (val))
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/*
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* 8, 16 and 32 bit, big and little endian I/O operations, with barrier.
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*/
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static inline int in_8(volatile unsigned char *addr)
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{
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int ret;
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__asm__ __volatile__("lduba [%1] 0x20, %0\n\t"
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"stbar\n\t"
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:"=r"(ret):"r"(addr):"memory");
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return ret;
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}
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static inline void out_8(volatile unsigned char *addr, int val)
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{
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__asm__ __volatile__("stba %0, [%1] 0x20\n\t"
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"stbar\n\t"
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: : "r"(val), "r"(addr):"memory");
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}
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static inline int in_le16(volatile unsigned short *addr)
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{
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int ret;
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// XXX
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__asm__ __volatile__("lduha [%1] 0x20, %0\n\t"
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"stbar\n\t"
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:"=r"(ret):"r"(addr):"memory");
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return ret;
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}
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static inline int in_be16(volatile unsigned short *addr)
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{
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int ret;
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__asm__ __volatile__("lduha [%1] 0x20, %0\n\t"
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"stbar\n\t"
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:"=r"(ret):"r"(addr):"memory");
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return ret;
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}
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static inline void out_le16(volatile unsigned short *addr, int val)
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{
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// XXX
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__asm__ __volatile__("stha %0, [%1] 0x20\n\t"
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"stbar\n\t"
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: : "r"(val), "r"(addr):"memory");
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}
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static inline void out_be16(volatile unsigned short *addr, int val)
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{
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__asm__ __volatile__("stha %0, [%1] 0x20\n\t"
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"stbar\n\t"
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: : "r"(val), "r"(addr):"memory");
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}
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static inline unsigned in_le32(volatile unsigned *addr)
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{
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unsigned ret;
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// XXX
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__asm__ __volatile__("lda [%1] 0x20, %0\n\t"
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"stbar\n\t"
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:"=r"(ret):"r"(addr):"memory");
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return ret;
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}
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static inline unsigned in_be32(volatile unsigned *addr)
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{
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unsigned ret;
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__asm__ __volatile__("lda [%1] 0x20, %0\n\t"
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"stbar\n\t"
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:"=r"(ret):"r"(addr):"memory");
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return ret;
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}
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static inline void out_le32(volatile unsigned *addr, int val)
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{
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// XXX
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__asm__ __volatile__("sta %0, [%1] 0x20\n\t"
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"stbar\n\t"
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: : "r"(val), "r"(addr):"memory");
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}
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static inline void out_be32(volatile unsigned *addr, int val)
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{
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__asm__ __volatile__("sta %0, [%1] 0x20\n\t"
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"stbar\n\t"
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: : "r"(val), "r"(addr):"memory");
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}
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static inline void _insw_ns(volatile uint16_t * port, void *buf, int ns)
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{
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uint16_t *b = (uint16_t *) buf;
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while (ns > 0) {
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*b++ = in_le16(port);
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ns--;
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}
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}
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static inline void _outsw_ns(volatile uint16_t * port, const void *buf,
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int ns)
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{
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uint16_t *b = (uint16_t *) buf;
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while (ns > 0) {
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out_le16(port, *b++);
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ns--;
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}
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}
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static inline void _insw(volatile uint16_t * port, void *buf, int ns)
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{
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uint16_t *b = (uint16_t *) buf;
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while (ns > 0) {
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*b++ = in_be16(port);
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ns--;
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}
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}
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static inline void _outsw(volatile uint16_t * port, const void *buf,
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int ns)
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{
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uint16_t *b = (uint16_t *) buf;
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while (ns > 0) {
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out_be16(port, *b++);
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ns--;
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}
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}
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#else /* BOOTSTRAP */
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#ifdef FCOMPILER
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#define inb(reg) ((u8)0xff)
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#define inw(reg) ((u16)0xffff)
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#define inl(reg) ((u32)0xffffffff)
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#define outb(reg, val) // nothing
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#define outw(reg, val) // nothing
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#define outl(reg, val) // nothing
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#else
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extern u8 inb(u32 reg);
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extern u16 inw(u32 reg);
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extern u32 inl(u32 reg);
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extern void insw(u32 reg, void *addr, unsigned long count);
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extern void outb(u32 reg, u8 val);
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extern void outw(u32 reg, u16 val);
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extern void outl(u32 reg, u32 val);
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extern void outsw(u32 reg, const void *addr, unsigned long count);
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#endif
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#endif
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#endif /* _ASM_IO_H */
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47
include/sparc32/types.h
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47
include/sparc32/types.h
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@@ -0,0 +1,47 @@
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/* tag: data types for forth engine
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*
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* Copyright (C) 2003-2005 Patrick Mauritz, Stefan Reinauer
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*
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* See the file "COPYING" for further information about
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* the copyright and warranty status of this work.
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*/
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#ifndef __TYPES_H
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#define __TYPES_H
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#include "mconfig.h"
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#include <stdint.h>
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/* endianess */
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#ifdef HAVE_ENDIAN_H
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#include <endian.h>
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#else
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#include <machine/endian.h>
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#endif
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/* cell based types */
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typedef int32_t cell;
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typedef uint32_t ucell;
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typedef int64_t dcell;
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typedef uint64_t ducell;
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#define bitspercell (sizeof(cell)<<3)
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#define bitsperdcell (sizeof(dcell)<<3)
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#define BITS 32
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/* size named types */
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef unsigned int u32;
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typedef unsigned long long u64;
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typedef signed char s8;
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typedef short s16;
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typedef int s32;
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typedef long long s64;
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#endif
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