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Adoption of Travis' PPC code. Changed where needed. 

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5071 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2003-10-17 13:58:41 +00:00
parent 8c911f6ce6
commit 8c1ae50791
5 changed files with 113 additions and 12 deletions
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63
headers/private/kernel/arch/ppc/arch_cpu.h
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@ -5,7 +5,9 @@
#ifndef _KERNEL_ARCH_PPC_CPU_H
#define _KERNEL_ARCH_PPC_CPU_H
#include <arch/ppc/thread_struct.h>
#include <kernel.h>
#define PAGE_SIZE 4096
@ -15,8 +17,52 @@
#define ATOMIC64_FUNCS_ARE_SYSCALLS 1
struct iframe {
uint32 srr0;
uint32 srr1;
uint32 dar;
uint32 dsisr;
uint32 lr;
uint32 cr;
uint32 xer;
uint32 ctr;
uint32 r31;
uint32 r30;
uint32 r29;
uint32 r28;
uint32 r27;
uint32 r26;
uint32 r25;
uint32 r24;
uint32 r23;
uint32 r22;
uint32 r21;
uint32 r20;
uint32 r19;
uint32 r18;
uint32 r17;
uint32 r16;
uint32 r15;
uint32 r14;
uint32 r13;
uint32 r12;
uint32 r11;
uint32 r10;
uint32 r9;
uint32 r8;
uint32 r7;
uint32 r6;
uint32 r5;
uint32 r4;
uint32 r3;
uint32 r2;
uint32 r1;
uint32 r0;
};
#define MSR_IP (1L << 6)
struct block_address_translation;
#ifdef __cplusplus
extern "C" {
#endif
@ -28,10 +74,27 @@ extern void set_sr(void *virtualAddress, uint32 value);
extern uint32 get_msr(void);
extern uint32 set_msr(uint32 value);
extern void set_ibat0(struct block_address_translation *bat);
extern void set_ibat1(struct block_address_translation *bat);
extern void set_ibat2(struct block_address_translation *bat);
extern void set_ibat3(struct block_address_translation *bat);
extern void set_dbat0(struct block_address_translation *bat);
extern void set_dbat1(struct block_address_translation *bat);
extern void set_dbat2(struct block_address_translation *bat);
extern void set_dbat3(struct block_address_translation *bat);
//extern void sethid0(unsigned int val);
//extern unsigned int getl2cr(void);
//extern void setl2cr(unsigned int val);
extern long long get_time_base(void);
extern void ppc_context_switch(void **_oldStackPointer, void *newStackPointer);
#ifdef __cplusplus
}
#endif
#define eieio() asm volatile("eieio")
#define isync() asm volatile("isync")
#endif /* _KERNEL_ARCH_PPC_CPU_H */

5
headers/private/kernel/arch/ppc/arch_kernel_args.h
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@ -14,8 +14,9 @@
// kernel args
typedef struct {
// architecture specific
addr_range page_table; // maps where the page table is located, in physical memory
addr_range framebuffer; // maps where the framebuffer is located, in physical memory
addr_range page_table; // virtual address and size of the page table
addr_range exception_handlers;
addr_range framebuffer; // maps where the framebuffer is located, in physical memory
int screen_x, screen_y, screen_depth;
} arch_kernel_args;

40
headers/private/kernel/arch/ppc/arch_mmu.h
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@ -7,8 +7,11 @@
#include <SupportDefs.h>
#include <string.h>
/*** BAT - block address translation ***/
enum bat_length {
BAT_LENGTH_128kB = 0x0000,
BAT_LENGTH_256kB = 0x0001,
@ -32,11 +35,12 @@ enum bat_protection {
struct block_address_translation {
// upper 32 bit
uint32 page_index : 15; // BEPI, block effective page index
uint32 _reserved0 : 3;
uint32 length : 10;
uint32 kernel_valid : 1;
uint32 user_valid : 1;
uint32 _reserved0 : 4;
uint32 length : 11;
uint32 kernel_valid : 1; // Vs, Supervisor-state valid
uint32 user_valid : 1; // Vp, User-state valid
// lower 32 bit
uint32 physical_block_number : 15; // BPRN
uint32 write_through : 1; // WIMG
uint32 caching_inhibited : 1;
uint32 memory_coherent : 1;
@ -44,9 +48,19 @@ struct block_address_translation {
uint32 _reserved1 : 1;
uint32 protection : 2;
void Reset()
void SetVirtualAddress(void *address)
{
*((uint32 *)this) = 0;
page_index = uint32(address) >> 17;
}
void SetPhysicalAddress(void *address)
{
physical_block_number = uint32(address) >> 17;
}
void Clear()
{
memset((void *)this, 0, sizeof(block_address_translation));
}
};
@ -59,11 +73,19 @@ struct segment_descriptor {
uint32 virtual_segment_id : 24;
};
/*** PTE - page table entry ***/
enum pte_protection {
PTE_READ_ONLY = 3,
PTE_READ_WRITE = 2,
};
struct page_table_entry {
// upper 32 bit
uint32 valid : 1;
uint32 virtual_segment_id : 24;
uint32 hash : 1;
uint32 secondary_hash : 1;
uint32 abbr_page_index : 6;
// lower 32 bit
uint32 physical_page_number : 20;
@ -86,7 +108,7 @@ struct page_table_entry_group {
struct page_table_entry entry[8];
};
extern void ppc_get_page_table(void **_pageTable, size_t *_size);
extern void ppc_set_page_table(void *pageTable, size_t size);
extern void ppc_get_page_table(page_table_entry_group **_pageTable, size_t *_size);
extern void ppc_set_page_table(page_table_entry_group *pageTable, size_t size);
#endif /* _KERNEL_ARCH_PPC_MMU_H */

15
headers/private/kernel/arch/ppc/arch_vm_translation_map.h Normal file
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@ -0,0 +1,15 @@
/*
** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
#ifndef _KERNEL_ARCH_PPC_VM_TRANSLATION_MAP_H
#define _KERNEL_ARCH_PPC_VM_TRANSLATION_MAP_H
#include <arch/vm_translation_map.h>
#ifdef __cplusplus
extern "C"
#endif
void ppc_translation_map_change_asid(vm_translation_map *map);
#endif /* _KERNEL_ARCH_PPC_VM_TRANSLATION_MAP_H */

2
headers/private/kernel/arch/ppc/thread_struct.h
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@ -7,7 +7,7 @@
// architecture specific thread info
struct arch_thread {
// stack pointer
void *sp; // stack pointer
};
struct arch_team {