Added the IBM 5161 ISA expansion for PC and XT;

Cleaned up the parallel port emulation, added IRQ support, and made enabling/disabling per port;
Added the Award 430NX and the Intel Classic/PCI (Alfredo, 420TX);
Finished the 586MC1;
Added 8087 emulation;
Moved Cyrix 6x86'es to the Dev branch;
Sanitized/cleaned up memregs.c/h and intel.c/h;
Split the chipsets from machines and sanitized Port 92 emulation;
Added support for the 15bpp mode to the Compaq ATI 28800;
Moved the MR 386DX and 486 machines to the Dev branch;
Ported the new dynamic recompiler from PCem, but it remains in Dev branch until after v2.00;
Ported the new timer code from PCem;
Cleaned up the CPU table of unused stuff and better optimized its structure;
Ported the Open-XT and Open-AT from VARCem, the Open-AT is in the Dev branch;
Ported the XT MFM controller rewrite and adding of more controllers (incl. two RLL ones), from VARCem;
Added the AHA-1540A and the BusTek BT-542B;
Moved the Sumo SCSI-AT to the Dev branch;
Minor IDE, FDC, and floppy drive code clean-ups;
Made NCR 5380/53C400-based cards' BIOS address configurable;
Got rid of the legacy romset variable;
Unified (video) buffer and buffer32 into one and make the unified buffer 32-bit;
Added the Amstead PPC512 per PCem patch by John Elliott;
Switched memory mapping granularity from 16k to 4k (less than 1k not possible due to internal pages);
Rewrote the CL-GD 54xx blitter, fixes Win-OS/2 on the 54x6 among other thing;
Added the Image Manager 1024 and Professional Graphics Controller per PCem patch by John Elliott and work done on VARCem;
Added Headland HT-216, GC-205 and Video 7 VGA 1024i emulation based on PCem commit;
Implemented the fuction keys for the Toshiba T1000/T1200/T3100 enhancement;
Amstrad MegaPC does now works correctly with non-internal graphics card;
The SLiRP code no longer casts a packed struct type to a non-packed struct type;
The Xi8088 and PB410a no longer hang on 86Box when PS/2 mouse is not present;
The S3 Virge on BeOS is no longer broken (was broken by build #1591);
OS/2 2.0 build 6.167 now sees key presses again;
Xi8088 now work on CGA again;
86F images converted from either the old or new variants of the HxC MFM format now work correctly;
Hardware interrupts with a vector of 0xFF are now handled correctly;
OPTi 495SX boards no longer incorrectly have 64 MB maximum RAM when 32 MB is correct;
Fixed VNC keyboard input bugs;
Fixed AT RTC periodic interrupt - Chicago 58s / 73f / 73g  / 81 MIDI play no longer hangs with the build's own VTD driver;
Fixed mouse polling with internal mice - Amstrad and Olivetti mice now work correctly;
Triones ATAPI DMA driver now correctly reads a file at the end of a CD image with a sectors number not divisible by 4;
Compaq Portable now works with all graphics cards;
Fixed various MDSI Genius bugs;
Added segment limit checks and improved page fault checks for several CPU instructions - Memphis 15xx WINSETUP and Chicago 58s WINDISK.CPL no longer issue a GPF, and some S3 drivers that used to have glitches, now work correctly;
Further improved the 808x emulation, also fixes the noticably choppy sound when using 808x CPU's, also fixes #355;
OS/2 installer no logner locks up on splash screen on PS/2 Model 70 and 80, fixes #400.
Fixed several Amstead bugs, GEM no longer crashes on the Amstrad 1640, fixes #391.
Ported John Elliott's Amstrad fixes and improvement from PCem, and fixed the default language so it's correctly Engliish, fixes #278, fixes #389.
Fixed a minor IDE timing bug, fixes #388.
Fixed Toshiba T1000 RAM issues, fixes #379.
Fixed EGA/(S)VGA overscan border handling, fixes #378;
Got rid of the now long useless IDE channel 2 auto-removal, fixes #370;
Fixed the BIOS files used by the AMSTRAD PC1512, fixes #366;
Ported the Unicode CD image file name fix from VARCem, fixes #365;
Fixed high density floppy disks on the Xi8088, fixes #359;
Fixed some bugs in the Hercules emulation, fixes #346, fixes #358;
Fixed the SCSI hard disk mode sense pages, fixes #356;
Removed the AMI Unknown 386SX because of impossibility to identify the chipset, closes #349;
Fixed bugs in the serial mouse emulation, fixes #344;
Compiled 86Box binaries now include all the required .DLL's, fixes #341;
Made some combo boxes in the Settings dialog slightly wider, fixes #276.
This commit is contained in:
OBattler
2019-09-20 14:02:30 +02:00
parent b06296bbf6
commit 552a87ea3d
524 changed files with 129555 additions and 21862 deletions

132
src/mem.h
View File

@@ -8,7 +8,7 @@
*
* Definitions for the memory interface.
*
* Version: @(#)mem.h 1.0.8 2018/11/18
* Version: @(#)mem.h 1.0.9 2019/02/11
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
@@ -49,6 +49,7 @@
#define MEM_READ_ANY 0x00
#define MEM_READ_INTERNAL 0x10
#define MEM_READ_EXTERNAL 0x20
#define MEM_READ_DISABLED 0x30
#define MEM_READ_MASK 0xf0
#define MEM_WRITE_ANY 0x00
@@ -57,6 +58,27 @@
#define MEM_WRITE_DISABLED 0x03
#define MEM_WRITE_MASK 0x0f
/* #define's for memory granularity, currently 16k, but may
change in the future - 4k works, less does not because of
internal 4k pages. */
#ifdef DEFAULT_GRANULARITY
#define MEM_GRANULARITY_BITS 14
#define MEM_GRANULARITY_SIZE (1 << MEM_GRANULARITY_BITS)
#define MEM_GRANULARITY_MASK (MEM_GRANULARITY_SIZE - 1)
#define MEM_GRANULARITY_HMASK ((1 << (MEM_GRANULARITY_BITS - 1)) - 1)
#define MEM_GRANULARITY_QMASK ((1 << (MEM_GRANULARITY_BITS - 2)) - 1)
#define MEM_MAPPINGS_NO ((0x100000 >> MEM_GRANULARITY_BITS) << 12)
#define MEM_GRANULARITY_PAGE (MEM_GRANULARITY_MASK & ~0xfff)
#else
#define MEM_GRANULARITY_BITS 12
#define MEM_GRANULARITY_SIZE (1 << MEM_GRANULARITY_BITS)
#define MEM_GRANULARITY_MASK (MEM_GRANULARITY_SIZE - 1)
#define MEM_GRANULARITY_HMASK ((1 << (MEM_GRANULARITY_BITS - 1)) - 1)
#define MEM_GRANULARITY_QMASK ((1 << (MEM_GRANULARITY_BITS - 2)) - 1)
#define MEM_MAPPINGS_NO ((0x100000 >> MEM_GRANULARITY_BITS) << 12)
#define MEM_GRANULARITY_PAGE (MEM_GRANULARITY_MASK & ~0xfff)
#endif
typedef struct _mem_mapping_ {
struct _mem_mapping_ *prev, *next;
@@ -82,6 +104,45 @@ typedef struct _mem_mapping_ {
void *dev; /* backpointer to memory device */
} mem_mapping_t;
#ifdef USE_NEW_DYNAREC
extern uint64_t *byte_dirty_mask;
extern uint64_t *byte_code_present_mask;
#define PAGE_BYTE_MASK_SHIFT 6
#define PAGE_BYTE_MASK_OFFSET_MASK 63
#define PAGE_BYTE_MASK_MASK 63
#define EVICT_NOT_IN_LIST ((uint32_t)-1)
typedef struct page_t
{
void (*write_b)(uint32_t addr, uint8_t val, struct page_t *p);
void (*write_w)(uint32_t addr, uint16_t val, struct page_t *p);
void (*write_l)(uint32_t addr, uint32_t val, struct page_t *p);
uint8_t *mem;
uint16_t block, block_2;
/*Head of codeblock tree associated with this page*/
uint16_t head;
uint64_t code_present_mask, dirty_mask;
uint32_t evict_prev, evict_next;
uint64_t *byte_dirty_mask;
uint64_t *byte_code_present_mask;
} page_t;
extern uint32_t purgable_page_list_head;
static inline int
page_in_evict_list(page_t *p)
{
return (p->evict_prev != EVICT_NOT_IN_LIST);
}
void page_remove_from_evict_list(page_t *p);
void page_add_to_evict_list(page_t *p);
#else
typedef struct _page_ {
void (*write_b)(uint32_t addr, uint8_t val, struct _page_ *p);
void (*write_w)(uint32_t addr, uint16_t val, struct _page_ *p);
@@ -97,14 +158,14 @@ typedef struct _page_ {
/*Head of codeblock tree associated with this page*/
struct codeblock_t *head;
} page_t;
#endif
extern uint8_t *ram;
extern uint32_t rammask;
extern uint8_t *rom;
extern uint8_t romext[32768];
extern uint32_t biosmask;
extern uint32_t biosmask, biosaddr;
extern int readlookup[256],
readlookupp[256];
@@ -123,9 +184,8 @@ mem_mapping_t base_mapping,
#endif
ram_remapped_mapping,
ram_high_mapping,
bios_mapping[8],
bios_high_mapping[8],
romext_mapping;
bios_mapping,
bios_high_mapping;
extern uint32_t mem_logical_addr;
@@ -148,11 +208,11 @@ extern int mem_a20_state,
mem_a20_key;
#ifndef USE_NEW_DYNAREC
#define readmemb(a) ((readlookup2[(a)>>12]==-1)?readmembl(a):*(uint8_t *)(readlookup2[(a) >> 12] + (a)))
#define readmemw(s,a) ((readlookup2[(uint32_t)((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF || (((s)+(a)) & 1))?readmemwl(s,a):*(uint16_t *)(readlookup2[(uint32_t)((s)+(a))>>12]+(uint32_t)((s)+(a))))
#define readmeml(s,a) ((readlookup2[(uint32_t)((s)+(a))>>12]==-1 || (s)==0xFFFFFFFF || (((s)+(a)) & 3))?readmemll(s,a):*(uint32_t *)(readlookup2[(uint32_t)((s)+(a))>>12]+(uint32_t)((s)+(a))))
extern uint8_t readmembl(uint32_t addr);
extern void writemembl(uint32_t addr, uint8_t val);
extern uint8_t readmemb386l(uint32_t seg, uint32_t addr);
@@ -163,13 +223,22 @@ extern uint32_t readmemll(uint32_t seg, uint32_t addr);
extern void writememll(uint32_t seg, uint32_t addr, uint32_t val);
extern uint64_t readmemql(uint32_t seg, uint32_t addr);
extern void writememql(uint32_t seg, uint32_t addr, uint64_t val);
#else
uint8_t readmembl(uint32_t addr);
void writemembl(uint32_t addr, uint8_t val);
uint16_t readmemwl(uint32_t addr);
void writememwl(uint32_t addr, uint16_t val);
uint32_t readmemll(uint32_t addr);
void writememll(uint32_t addr, uint32_t val);
uint64_t readmemql(uint32_t addr);
void writememql(uint32_t addr, uint64_t val);
#endif
extern uint8_t *getpccache(uint32_t a);
extern uint32_t mmutranslatereal(uint32_t addr, int rw);
extern void addreadlookup(uint32_t virt, uint32_t phys);
extern void addwritelookup(uint32_t virt, uint32_t phys);
extern void mem_mapping_del(mem_mapping_t *);
extern void mem_mapping_add(mem_mapping_t *,
@@ -206,10 +275,8 @@ extern void mem_mapping_enable(mem_mapping_t *);
extern void mem_set_mem_state(uint32_t base, uint32_t size, int state);
extern uint8_t mem_readb_phys(uint32_t addr);
extern uint8_t mem_readb_phys_dma(uint32_t addr);
extern uint16_t mem_readw_phys(uint32_t addr);
extern void mem_writeb_phys(uint32_t addr, uint8_t val);
extern void mem_writeb_phys_dma(uint32_t addr, uint8_t val);
extern uint8_t mem_read_ram(uint32_t addr, void *priv);
extern uint16_t mem_read_ramw(uint32_t addr, void *priv);
@@ -222,14 +289,12 @@ extern uint8_t mem_read_bios(uint32_t addr, void *priv);
extern uint16_t mem_read_biosw(uint32_t addr, void *priv);
extern uint32_t mem_read_biosl(uint32_t addr, void *priv);
extern uint8_t mem_read_romext(uint32_t addr, void *priv);
extern uint16_t mem_read_romextw(uint32_t addr, void *priv);
extern uint32_t mem_read_romextl(uint32_t addr, void *priv);
extern void mem_write_null(uint32_t addr, uint8_t val, void *p);
extern void mem_write_nullw(uint32_t addr, uint16_t val, void *p);
extern void mem_write_nulll(uint32_t addr, uint32_t val, void *p);
extern int mem_addr_is_ram(uint32_t addr);
extern uint32_t mmutranslate_noabrt(uint32_t addr, int rw);
extern void mem_invalidate_range(uint32_t start_addr, uint32_t end_addr);
@@ -255,44 +320,47 @@ extern void mem_init(void);
extern void mem_reset(void);
extern void mem_remap_top(int kb);
extern uint8_t port_92_read(uint16_t port, void *priv);
extern void port_92_write(uint16_t port, uint8_t val, void *priv);
extern void port_92_clear_reset(void);
extern void port_92_add(void);
extern void port_92_remove(void);
extern void port_92_reset(void);
#ifdef EMU_CPU_H
static __inline uint32_t get_phys(uint32_t addr)
{
if (! ((addr ^ get_phys_virt) & ~0xfff))
if (!((addr ^ get_phys_virt) & ~0xfff))
return get_phys_phys | (addr & 0xfff);
get_phys_virt = addr;
if (! (cr0 >> 31)) {
if (!(cr0 >> 31)) {
get_phys_phys = (addr & rammask) & ~0xfff;
return addr & rammask;
}
get_phys_phys = (mmutranslatereal(addr, 0) & rammask) & ~0xfff;
if (((int) (readlookup2[addr >> 12])) != -1)
get_phys_phys = ((uintptr_t)readlookup2[addr >> 12] + (addr & ~0xfff)) - (uintptr_t)ram;
else {
get_phys_phys = (mmutranslatereal(addr, 0) & rammask) & ~0xfff;
if (!cpu_state.abrt && mem_addr_is_ram(get_phys_phys))
addreadlookup(get_phys_virt, get_phys_phys);
}
#if 1
return get_phys_phys | (addr & 0xfff);
#else
return mmutranslatereal(addr, 0) & rammask;
#endif
}
static __inline uint32_t get_phys_noabrt(uint32_t addr)
{
if (! (cr0 >> 31))
uint32_t phys_addr;
if (!(cr0 >> 31))
return addr & rammask;
return mmutranslate_noabrt(addr, 0) & rammask;
if (((int) (readlookup2[addr >> 12])) != -1)
return ((uintptr_t)readlookup2[addr >> 12] + addr) - (uintptr_t)ram;
phys_addr = mmutranslate_noabrt(addr, 0) & rammask;
if (phys_addr != 0xffffffff && mem_addr_is_ram(phys_addr))
addreadlookup(addr, phys_addr);
return phys_addr;
}
#endif