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support for opaque data on memory I/Os 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@874 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-03 14:01:43 +00:00
parent 170c6f8705
commit a4193c8a4b
7 changed files with 93 additions and 86 deletions
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1
exec-all.h
View File

@ -377,6 +377,7 @@ do {\
extern CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
extern CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
extern void *io_mem_opaque[IO_MEM_NB_ENTRIES];
#ifdef __powerpc__
static inline int testandset (int *p)

52
exec.c
View File

@ -117,6 +117,7 @@ static unsigned int virt_valid_tag;
/* io memory support */
CPUWriteMemoryFunc *io_mem_write[IO_MEM_NB_ENTRIES][4];
CPUReadMemoryFunc *io_mem_read[IO_MEM_NB_ENTRIES][4];
void *io_mem_opaque[IO_MEM_NB_ENTRIES];
static int io_mem_nb;
/* log support */
@ -711,10 +712,13 @@ static inline void tb_invalidate_phys_page_fast(target_ulong start, int len)
PageDesc *p;
int offset, b;
#if 0
if (cpu_single_env->cr[0] & CR0_PE_MASK) {
printf("modifying code at 0x%x size=%d EIP=%x\n",
(vaddr & TARGET_PAGE_MASK) | (start & ~TARGET_PAGE_MASK), len,
cpu_single_env->eip);
if (1) {
if (loglevel) {
fprintf(logfile, "modifying code at 0x%x size=%d EIP=%x PC=%08x\n",
cpu_single_env->mem_write_vaddr, len,
cpu_single_env->eip,
cpu_single_env->eip + (long)cpu_single_env->segs[R_CS].base);
}
}
#endif
p = page_find(start >> TARGET_PAGE_BITS);
@ -1799,12 +1803,12 @@ void cpu_register_physical_memory(target_phys_addr_t start_addr,
}
}
static uint32_t unassigned_mem_readb(target_phys_addr_t addr)
static uint32_t unassigned_mem_readb(void *opaque, target_phys_addr_t addr)
{
return 0;
}
static void unassigned_mem_writeb(target_phys_addr_t addr, uint32_t val)
static void unassigned_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
{
}
@ -1823,7 +1827,7 @@ static CPUWriteMemoryFunc *unassigned_mem_write[3] = {
/* self modifying code support in soft mmu mode : writing to a page
containing code comes to these functions */
static void code_mem_writeb(target_phys_addr_t addr, uint32_t val)
static void code_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
{
unsigned long phys_addr;
@ -1835,7 +1839,7 @@ static void code_mem_writeb(target_phys_addr_t addr, uint32_t val)
phys_ram_dirty[phys_addr >> TARGET_PAGE_BITS] = 1;
}
static void code_mem_writew(target_phys_addr_t addr, uint32_t val)
static void code_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
{
unsigned long phys_addr;
@ -1847,7 +1851,7 @@ static void code_mem_writew(target_phys_addr_t addr, uint32_t val)
phys_ram_dirty[phys_addr >> TARGET_PAGE_BITS] = 1;
}
static void code_mem_writel(target_phys_addr_t addr, uint32_t val)
static void code_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
{
unsigned long phys_addr;
@ -1871,19 +1875,19 @@ static CPUWriteMemoryFunc *code_mem_write[3] = {
code_mem_writel,
};
static void notdirty_mem_writeb(target_phys_addr_t addr, uint32_t val)
static void notdirty_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
{
stb_raw((uint8_t *)addr, val);
tlb_set_dirty(addr, cpu_single_env->mem_write_vaddr);
}
static void notdirty_mem_writew(target_phys_addr_t addr, uint32_t val)
static void notdirty_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
{
stw_raw((uint8_t *)addr, val);
tlb_set_dirty(addr, cpu_single_env->mem_write_vaddr);
}
static void notdirty_mem_writel(target_phys_addr_t addr, uint32_t val)
static void notdirty_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
{
stl_raw((uint8_t *)addr, val);
tlb_set_dirty(addr, cpu_single_env->mem_write_vaddr);
@ -1897,10 +1901,10 @@ static CPUWriteMemoryFunc *notdirty_mem_write[3] = {
static void io_mem_init(void)
{
cpu_register_io_memory(IO_MEM_ROM >> IO_MEM_SHIFT, code_mem_read, unassigned_mem_write);
cpu_register_io_memory(IO_MEM_UNASSIGNED >> IO_MEM_SHIFT, unassigned_mem_read, unassigned_mem_write);
cpu_register_io_memory(IO_MEM_CODE >> IO_MEM_SHIFT, code_mem_read, code_mem_write);
cpu_register_io_memory(IO_MEM_NOTDIRTY >> IO_MEM_SHIFT, code_mem_read, notdirty_mem_write);
cpu_register_io_memory(IO_MEM_ROM >> IO_MEM_SHIFT, code_mem_read, unassigned_mem_write, NULL);
cpu_register_io_memory(IO_MEM_UNASSIGNED >> IO_MEM_SHIFT, unassigned_mem_read, unassigned_mem_write, NULL);
cpu_register_io_memory(IO_MEM_CODE >> IO_MEM_SHIFT, code_mem_read, code_mem_write, NULL);
cpu_register_io_memory(IO_MEM_NOTDIRTY >> IO_MEM_SHIFT, code_mem_read, notdirty_mem_write, NULL);
io_mem_nb = 5;
/* alloc dirty bits array */
@ -1915,7 +1919,8 @@ static void io_mem_init(void)
cpu_register_physical_memory(). (-1) is returned if error. */
int cpu_register_io_memory(int io_index,
CPUReadMemoryFunc **mem_read,
CPUWriteMemoryFunc **mem_write)
CPUWriteMemoryFunc **mem_write,
void *opaque)
{
int i;
@ -1932,6 +1937,7 @@ int cpu_register_io_memory(int io_index,
io_mem_read[io_index][i] = mem_read[i];
io_mem_write[io_index][i] = mem_write[i];
}
io_mem_opaque[io_index] = opaque;
return io_index << IO_MEM_SHIFT;
}
@ -1994,17 +2000,17 @@ void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
if (l >= 4 && ((addr & 3) == 0)) {
/* 32 bit read access */
val = ldl_raw(buf);
io_mem_write[io_index][2](addr, val);
io_mem_write[io_index][2](io_mem_opaque[io_index], addr, val);
l = 4;
} else if (l >= 2 && ((addr & 1) == 0)) {
/* 16 bit read access */
val = lduw_raw(buf);
io_mem_write[io_index][1](addr, val);
io_mem_write[io_index][1](io_mem_opaque[io_index], addr, val);
l = 2;
} else {
/* 8 bit access */
val = ldub_raw(buf);
io_mem_write[io_index][0](addr, val);
io_mem_write[io_index][0](io_mem_opaque[io_index], addr, val);
l = 1;
}
} else {
@ -2025,17 +2031,17 @@ void cpu_physical_memory_rw(target_phys_addr_t addr, uint8_t *buf,
io_index = (pd >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
if (l >= 4 && ((addr & 3) == 0)) {
/* 32 bit read access */
val = io_mem_read[io_index][2](addr);
val = io_mem_read[io_index][2](io_mem_opaque[io_index], addr);
stl_raw(buf, val);
l = 4;
} else if (l >= 2 && ((addr & 1) == 0)) {
/* 16 bit read access */
val = io_mem_read[io_index][1](addr);
val = io_mem_read[io_index][1](io_mem_opaque[io_index], addr);
stw_raw(buf, val);
l = 2;
} else {
/* 8 bit access */
val = io_mem_read[io_index][0](addr);
val = io_mem_read[io_index][0](io_mem_opaque[io_index], addr);
stb_raw(buf, val);
l = 1;
}

12
hw/ppc.c
View File

@ -197,18 +197,18 @@ void cpu_ppc_reset (CPUState *env)
}
#endif
static void PPC_io_writeb (target_phys_addr_t addr, uint32_t value)
static void PPC_io_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
{
cpu_outb(NULL, addr & 0xffff, value);
}
static uint32_t PPC_io_readb (target_phys_addr_t addr)
static uint32_t PPC_io_readb (void *opaque, target_phys_addr_t addr)
{
uint32_t ret = cpu_inb(NULL, addr & 0xffff);
return ret;
}
static void PPC_io_writew (target_phys_addr_t addr, uint32_t value)
static void PPC_io_writew (void *opaque, target_phys_addr_t addr, uint32_t value)
{
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap16(value);
@ -216,7 +216,7 @@ static void PPC_io_writew (target_phys_addr_t addr, uint32_t value)
cpu_outw(NULL, addr & 0xffff, value);
}
static uint32_t PPC_io_readw (target_phys_addr_t addr)
static uint32_t PPC_io_readw (void *opaque, target_phys_addr_t addr)
{
uint32_t ret = cpu_inw(NULL, addr & 0xffff);
#ifdef TARGET_WORDS_BIGENDIAN
@ -225,7 +225,7 @@ static uint32_t PPC_io_readw (target_phys_addr_t addr)
return ret;
}
static void PPC_io_writel (target_phys_addr_t addr, uint32_t value)
static void PPC_io_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
{
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap32(value);
@ -233,7 +233,7 @@ static void PPC_io_writel (target_phys_addr_t addr, uint32_t value)
cpu_outl(NULL, addr & 0xffff, value);
}
static uint32_t PPC_io_readl (target_phys_addr_t addr)
static uint32_t PPC_io_readl (void *opaque, target_phys_addr_t addr)
{
uint32_t ret = cpu_inl(NULL, addr & 0xffff);

2
hw/ppc_chrp.c
View File

@ -64,7 +64,7 @@ void ppc_chrp_init(int ram_size, int vga_ram_size, int boot_device,
pci_pmac_init();
/* Register 64 KB of ISA IO space */
PPC_io_memory = cpu_register_io_memory(0, PPC_io_read, PPC_io_write);
PPC_io_memory = cpu_register_io_memory(0, PPC_io_read, PPC_io_write, NULL);
cpu_register_physical_memory(0x80000000, 0x10000, PPC_io_memory);
// cpu_register_physical_memory(0xfe000000, 0xfe010000, PPC_io_memory);

26
hw/ppc_prep.c
View File

@ -98,7 +98,7 @@ static uint32_t speaker_ioport_read(void *opaque, uint32_t addr)
/* PCI intack register */
/* Read-only register (?) */
static void _PPC_intack_write (target_phys_addr_t addr, uint32_t value)
static void _PPC_intack_write (void *opaque, target_phys_addr_t addr, uint32_t value)
{
// printf("%s: 0x%08x => 0x%08x\n", __func__, addr, value);
}
@ -114,12 +114,12 @@ static inline uint32_t _PPC_intack_read (target_phys_addr_t addr)
return retval;
}
static uint32_t PPC_intack_readb (target_phys_addr_t addr)
static uint32_t PPC_intack_readb (void *opaque, target_phys_addr_t addr)
{
return _PPC_intack_read(addr);
}
static uint32_t PPC_intack_readw (target_phys_addr_t addr)
static uint32_t PPC_intack_readw (void *opaque, target_phys_addr_t addr)
{
#ifdef TARGET_WORDS_BIGENDIAN
return bswap16(_PPC_intack_read(addr));
@ -128,7 +128,7 @@ static uint32_t PPC_intack_readw (target_phys_addr_t addr)
#endif
}
static uint32_t PPC_intack_readl (target_phys_addr_t addr)
static uint32_t PPC_intack_readl (void *opaque, target_phys_addr_t addr)
{
#ifdef TARGET_WORDS_BIGENDIAN
return bswap32(_PPC_intack_read(addr));
@ -177,12 +177,12 @@ static struct {
} XCSR;
#endif
static void PPC_XCSR_writeb (target_phys_addr_t addr, uint32_t value)
static void PPC_XCSR_writeb (void *opaque, target_phys_addr_t addr, uint32_t value)
{
printf("%s: 0x%08lx => 0x%08x\n", __func__, (long)addr, value);
}
static void PPC_XCSR_writew (target_phys_addr_t addr, uint32_t value)
static void PPC_XCSR_writew (void *opaque, target_phys_addr_t addr, uint32_t value)
{
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap16(value);
@ -190,7 +190,7 @@ static void PPC_XCSR_writew (target_phys_addr_t addr, uint32_t value)
printf("%s: 0x%08lx => 0x%08x\n", __func__, (long)addr, value);
}
static void PPC_XCSR_writel (target_phys_addr_t addr, uint32_t value)
static void PPC_XCSR_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
{
#ifdef TARGET_WORDS_BIGENDIAN
value = bswap32(value);
@ -198,7 +198,7 @@ static void PPC_XCSR_writel (target_phys_addr_t addr, uint32_t value)
printf("%s: 0x%08lx => 0x%08x\n", __func__, (long)addr, value);
}
static uint32_t PPC_XCSR_readb (target_phys_addr_t addr)
static uint32_t PPC_XCSR_readb (void *opaque, target_phys_addr_t addr)
{
uint32_t retval = 0;
@ -207,7 +207,7 @@ static uint32_t PPC_XCSR_readb (target_phys_addr_t addr)
return retval;
}
static uint32_t PPC_XCSR_readw (target_phys_addr_t addr)
static uint32_t PPC_XCSR_readw (void *opaque, target_phys_addr_t addr)
{
uint32_t retval = 0;
@ -219,7 +219,7 @@ static uint32_t PPC_XCSR_readw (target_phys_addr_t addr)
return retval;
}
static uint32_t PPC_XCSR_readl (target_phys_addr_t addr)
static uint32_t PPC_XCSR_readl (void *opaque, target_phys_addr_t addr)
{
uint32_t retval = 0;
@ -480,7 +480,7 @@ void ppc_prep_init(int ram_size, int vga_ram_size, int boot_device,
isa_mem_base = 0xc0000000;
pci_prep_init();
/* Register 64 KB of ISA IO space */
PPC_io_memory = cpu_register_io_memory(0, PPC_io_read, PPC_io_write);
PPC_io_memory = cpu_register_io_memory(0, PPC_io_read, PPC_io_write, NULL);
cpu_register_physical_memory(0x80000000, 0x00010000, PPC_io_memory);
/* init basic PC hardware */
@ -525,10 +525,10 @@ void ppc_prep_init(int ram_size, int vga_ram_size, int boot_device,
register_ioport_write(0x0800, 0x52, 1, &PREP_io_800_writeb, sysctrl);
/* PCI intack location */
PPC_io_memory = cpu_register_io_memory(0, PPC_intack_read,
PPC_intack_write);
PPC_intack_write, NULL);
cpu_register_physical_memory(0xBFFFFFF0, 0x4, PPC_io_memory);
/* PowerPC control and status register group */
PPC_io_memory = cpu_register_io_memory(0, PPC_XCSR_read, PPC_XCSR_write);
PPC_io_memory = cpu_register_io_memory(0, PPC_XCSR_read, PPC_XCSR_write, NULL);
cpu_register_physical_memory(0xFEFF0000, 0x1000, PPC_io_memory);
nvram = m48t59_init(8, 0x0074, NVRAM_SIZE);

66
hw/vga.c
View File

@ -656,9 +656,9 @@ static void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
#endif
/* called for accesses between 0xa0000 and 0xc0000 */
static uint32_t vga_mem_readb(target_phys_addr_t addr)
static uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr)
{
VGAState *s = &vga_state;
VGAState *s = opaque;
int memory_map_mode, plane;
uint32_t ret;
@ -712,40 +712,40 @@ static uint32_t vga_mem_readb(target_phys_addr_t addr)
return ret;
}
static uint32_t vga_mem_readw(target_phys_addr_t addr)
static uint32_t vga_mem_readw(void *opaque, target_phys_addr_t addr)
{
uint32_t v;
#ifdef TARGET_WORDS_BIGENDIAN
v = vga_mem_readb(addr) << 8;
v |= vga_mem_readb(addr + 1);
v = vga_mem_readb(opaque, addr) << 8;
v |= vga_mem_readb(opaque, addr + 1);
#else
v = vga_mem_readb(addr);
v |= vga_mem_readb(addr + 1) << 8;
v = vga_mem_readb(opaque, addr);
v |= vga_mem_readb(opaque, addr + 1) << 8;
#endif
return v;
}
static uint32_t vga_mem_readl(target_phys_addr_t addr)
static uint32_t vga_mem_readl(void *opaque, target_phys_addr_t addr)
{
uint32_t v;
#ifdef TARGET_WORDS_BIGENDIAN
v = vga_mem_readb(addr) << 24;
v |= vga_mem_readb(addr + 1) << 16;
v |= vga_mem_readb(addr + 2) << 8;
v |= vga_mem_readb(addr + 3);
v = vga_mem_readb(opaque, addr) << 24;
v |= vga_mem_readb(opaque, addr + 1) << 16;
v |= vga_mem_readb(opaque, addr + 2) << 8;
v |= vga_mem_readb(opaque, addr + 3);
#else
v = vga_mem_readb(addr);
v |= vga_mem_readb(addr + 1) << 8;
v |= vga_mem_readb(addr + 2) << 16;
v |= vga_mem_readb(addr + 3) << 24;
v = vga_mem_readb(opaque, addr);
v |= vga_mem_readb(opaque, addr + 1) << 8;
v |= vga_mem_readb(opaque, addr + 2) << 16;
v |= vga_mem_readb(opaque, addr + 3) << 24;
#endif
return v;
}
/* called for accesses between 0xa0000 and 0xc0000 */
static void vga_mem_writeb(target_phys_addr_t addr, uint32_t val)
static void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
{
VGAState *s = &vga_state;
VGAState *s = opaque;
int memory_map_mode, plane, write_mode, b, func_select;
uint32_t write_mask, bit_mask, set_mask;
@ -871,29 +871,29 @@ static void vga_mem_writeb(target_phys_addr_t addr, uint32_t val)
}
}
static void vga_mem_writew(target_phys_addr_t addr, uint32_t val)
static void vga_mem_writew(void *opaque, target_phys_addr_t addr, uint32_t val)
{
#ifdef TARGET_WORDS_BIGENDIAN
vga_mem_writeb(addr, (val >> 8) & 0xff);
vga_mem_writeb(addr + 1, val & 0xff);
vga_mem_writeb(opaque, addr, (val >> 8) & 0xff);
vga_mem_writeb(opaque, addr + 1, val & 0xff);
#else
vga_mem_writeb(addr, val & 0xff);
vga_mem_writeb(addr + 1, (val >> 8) & 0xff);
vga_mem_writeb(opaque, addr, val & 0xff);
vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff);
#endif
}
static void vga_mem_writel(target_phys_addr_t addr, uint32_t val)
static void vga_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
{
#ifdef TARGET_WORDS_BIGENDIAN
vga_mem_writeb(addr, (val >> 24) & 0xff);
vga_mem_writeb(addr + 1, (val >> 16) & 0xff);
vga_mem_writeb(addr + 2, (val >> 8) & 0xff);
vga_mem_writeb(addr + 3, val & 0xff);
vga_mem_writeb(opaque, addr, (val >> 24) & 0xff);
vga_mem_writeb(opaque, addr + 1, (val >> 16) & 0xff);
vga_mem_writeb(opaque, addr + 2, (val >> 8) & 0xff);
vga_mem_writeb(opaque, addr + 3, val & 0xff);
#else
vga_mem_writeb(addr, val & 0xff);
vga_mem_writeb(addr + 1, (val >> 8) & 0xff);
vga_mem_writeb(addr + 2, (val >> 16) & 0xff);
vga_mem_writeb(addr + 3, (val >> 24) & 0xff);
vga_mem_writeb(opaque, addr, val & 0xff);
vga_mem_writeb(opaque, addr + 1, (val >> 8) & 0xff);
vga_mem_writeb(opaque, addr + 2, (val >> 16) & 0xff);
vga_mem_writeb(opaque, addr + 3, (val >> 24) & 0xff);
#endif
}
@ -1826,7 +1826,7 @@ int vga_initialize(DisplayState *ds, uint8_t *vga_ram_base,
#endif
#endif /* CONFIG_BOCHS_VBE */
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write);
vga_io_memory = cpu_register_io_memory(0, vga_mem_read, vga_mem_write, s);
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000,
vga_io_memory);

20
softmmu_template.h
View File

@ -55,14 +55,14 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(unsigned long physaddr,
index = (tlb_addr >> IO_MEM_SHIFT) & (IO_MEM_NB_ENTRIES - 1);
#if SHIFT <= 2
res = io_mem_read[index][SHIFT](physaddr);
res = io_mem_read[index][SHIFT](io_mem_opaque[index], physaddr);
#else
#ifdef TARGET_WORDS_BIGENDIAN
res = (uint64_t)io_mem_read[index][2](physaddr) << 32;
res |= io_mem_read[index][2](physaddr + 4);
res = (uint64_t)io_mem_read[index][2](io_mem_opaque[index], physaddr) << 32;
res |= io_mem_read[index][2](io_mem_opaque[index], physaddr + 4);
#else
res = io_mem_read[index][2](physaddr);
res |= (uint64_t)io_mem_read[index][2](physaddr + 4) << 32;
res = io_mem_read[index][2](io_mem_opaque[index], physaddr);
res |= (uint64_t)io_mem_read[index][2](io_mem_opaque[index], physaddr + 4) << 32;
#endif
#endif /* SHIFT > 2 */
return res;
@ -79,14 +79,14 @@ static inline void glue(io_write, SUFFIX)(unsigned long physaddr,
env->mem_write_vaddr = tlb_addr;
env->mem_write_pc = (unsigned long)retaddr;
#if SHIFT <= 2
io_mem_write[index][SHIFT](physaddr, val);
io_mem_write[index][SHIFT](io_mem_opaque[index], physaddr, val);
#else
#ifdef TARGET_WORDS_BIGENDIAN
io_mem_write[index][2](physaddr, val >> 32);
io_mem_write[index][2](physaddr + 4, val);
io_mem_write[index][2](io_mem_opaque[index], physaddr, val >> 32);
io_mem_write[index][2](io_mem_opaque[index], physaddr + 4, val);
#else
io_mem_write[index][2](physaddr, val);
io_mem_write[index][2](physaddr + 4, val >> 32);
io_mem_write[index][2](io_mem_opaque[index], physaddr, val);
io_mem_write[index][2](io_mem_opaque[index], physaddr + 4, val >> 32);
#endif
#endif /* SHIFT > 2 */
}