Now that rc4030 internally uses an AddressSpace for DMA handling, make it public. This is especially usefull for dp8393x netcard, which now uses well known QEMU types and methods.
Signed-off-by: Hervé Poussineau <hpous...@reactos.org> --- hw/dma/rc4030.c | 14 ++++---------- hw/mips/mips_jazz.c | 8 ++++---- hw/net/dp8393x.c | 38 ++++++++++++++++++-------------------- include/hw/mips/mips.h | 10 ++++------ 4 files changed, 30 insertions(+), 40 deletions(-) diff --git a/hw/dma/rc4030.c b/hw/dma/rc4030.c index 9b505c5..97214de 100644 --- a/hw/dma/rc4030.c +++ b/hw/dma/rc4030.c @@ -766,12 +766,6 @@ static void rc4030_save(QEMUFile *f, void *opaque) qemu_put_be32(f, s->itr); } -void rc4030_dma_memory_rw(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write) -{ - rc4030State *s = opaque; - address_space_rw(&s->dma_as, addr, buf, len, is_write); -} - static void rc4030_do_dma(void *opaque, int n, uint8_t *buf, int len, int is_write) { rc4030State *s = opaque; @@ -857,9 +851,9 @@ static rc4030_dma *rc4030_allocate_dmas(void *opaque, int n) return s; } -void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus, - qemu_irq **irqs, rc4030_dma **dmas, - MemoryRegion *sysmem) +AddressSpace *rc4030_init(qemu_irq timer, qemu_irq jazz_bus, + qemu_irq **irqs, rc4030_dma **dmas, + MemoryRegion *sysmem) { rc4030State *s; int i; @@ -894,5 +888,5 @@ void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus, } address_space_init(&s->dma_as, &s->dma_region, "rc4030_dma"); rc4030_reset(s); - return s; + return &s->dma_as; } diff --git a/hw/mips/mips_jazz.c b/hw/mips/mips_jazz.c index 1e6ed50..41806af 100644 --- a/hw/mips/mips_jazz.c +++ b/hw/mips/mips_jazz.c @@ -133,7 +133,7 @@ static void mips_jazz_init(MemoryRegion *address_space, CPUMIPSState *env; qemu_irq *rc4030, *i8259; rc4030_dma *dmas; - void* rc4030_opaque; + AddressSpace *rc4030_as; MemoryRegion *isa = g_new(MemoryRegion, 1); MemoryRegion *rtc = g_new(MemoryRegion, 1); MemoryRegion *i8042 = g_new(MemoryRegion, 1); @@ -207,8 +207,8 @@ static void mips_jazz_init(MemoryRegion *address_space, cpu_mips_clock_init(env); /* Chipset */ - rc4030_opaque = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas, - address_space); + rc4030_as = rc4030_init(env->irq[6], env->irq[3], &rc4030, &dmas, + address_space); memory_region_init_io(dma_dummy, NULL, &dma_dummy_ops, NULL, "dummy_dma", 0x1000); memory_region_add_subregion(address_space, 0x8000d000, dma_dummy); @@ -261,7 +261,7 @@ static void mips_jazz_init(MemoryRegion *address_space, nd->model = g_strdup("dp83932"); if (strcmp(nd->model, "dp83932") == 0) { dp83932_init(nd, 0x80001000, 2, get_system_memory(), rc4030[4], - rc4030_opaque, rc4030_dma_memory_rw); + rc4030_as); break; } else if (is_help_option(nd->model)) { fprintf(stderr, "qemu: Supported NICs: dp83932\n"); diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c index 789d385..d6f472a 100644 --- a/hw/net/dp8393x.c +++ b/hw/net/dp8393x.c @@ -168,8 +168,7 @@ typedef struct dp8393xState { int loopback_packet; /* Memory access */ - void (*memory_rw)(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write); - void* mem_opaque; + AddressSpace *as; } dp8393xState; static void dp8393x_update_irq(dp8393xState *s) @@ -201,7 +200,7 @@ static void do_load_cam(dp8393xState *s) while (s->regs[SONIC_CDC] & 0x1f) { /* Fill current entry */ - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, (s->regs[SONIC_URRA] << 16) | s->regs[SONIC_CDP], (uint8_t *)data, size, 0); s->cam[index][0] = data[1 * width] & 0xff; @@ -220,7 +219,7 @@ static void do_load_cam(dp8393xState *s) } /* Read CAM enable */ - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, (s->regs[SONIC_URRA] << 16) | s->regs[SONIC_CDP], (uint8_t *)data, size, 0); s->regs[SONIC_CE] = data[0 * width]; @@ -240,7 +239,7 @@ static void do_read_rra(dp8393xState *s) /* Read memory */ width = (s->regs[SONIC_DCR] & SONIC_DCR_DW) ? 2 : 1; size = sizeof(uint16_t) * 4 * width; - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, (s->regs[SONIC_URRA] << 16) | s->regs[SONIC_RRP], (uint8_t *)data, size, 0); @@ -353,7 +352,7 @@ static void do_transmit_packets(dp8393xState *s) (s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_CTDA]); size = sizeof(uint16_t) * 6 * width; s->regs[SONIC_TTDA] = s->regs[SONIC_CTDA]; - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, ((s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA]) + sizeof(uint16_t) * width, (uint8_t *)data, size, 0); tx_len = 0; @@ -379,7 +378,7 @@ static void do_transmit_packets(dp8393xState *s) if (tx_len + len > sizeof(s->tx_buffer)) { len = sizeof(s->tx_buffer) - tx_len; } - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, (s->regs[SONIC_TSA1] << 16) | s->regs[SONIC_TSA0], &s->tx_buffer[tx_len], len, 0); tx_len += len; @@ -388,7 +387,7 @@ static void do_transmit_packets(dp8393xState *s) if (i != s->regs[SONIC_TFC]) { /* Read next fragment details */ size = sizeof(uint16_t) * 3 * width; - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, ((s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA]) + sizeof(uint16_t) * (4 + 3 * i) * width, (uint8_t *)data, size, 0); s->regs[SONIC_TSA0] = data[0 * width]; @@ -422,14 +421,14 @@ static void do_transmit_packets(dp8393xState *s) /* Write status */ data[0 * width] = s->regs[SONIC_TCR] & 0x0fff; /* status */ size = sizeof(uint16_t) * width; - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, (s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA], (uint8_t *)data, size, 1); if (!(s->regs[SONIC_CR] & SONIC_CR_HTX)) { /* Read footer of packet */ size = sizeof(uint16_t) * width; - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, ((s->regs[SONIC_UTDA] << 16) | s->regs[SONIC_TTDA]) + sizeof(uint16_t) * (4 + 3 * s->regs[SONIC_TFC]) * width, (uint8_t *)data, size, 0); s->regs[SONIC_CTDA] = data[0 * width] & ~0x1; @@ -750,7 +749,7 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size) /* Are we still in resource exhaustion? */ size = sizeof(uint16_t) * 1 * width; address = ((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) + sizeof(uint16_t) * 5 * width; - s->memory_rw(s->mem_opaque, address, (uint8_t*)data, size, 0); + address_space_rw(s->as, address, (uint8_t *)data, size, 0); if (data[0 * width] & 0x1) { /* Still EOL ; stop reception */ return -1; @@ -773,9 +772,9 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size) /* Put packet into RBA */ DPRINTF("Receive packet at %08x\n", (s->regs[SONIC_CRBA1] << 16) | s->regs[SONIC_CRBA0]); address = (s->regs[SONIC_CRBA1] << 16) | s->regs[SONIC_CRBA0]; - s->memory_rw(s->mem_opaque, address, (uint8_t*)buf, rx_len, 1); + address_space_rw(s->as, address, (uint8_t *)buf, rx_len, 1); address += rx_len; - s->memory_rw(s->mem_opaque, address, (uint8_t*)&checksum, 4, 1); + address_space_rw(s->as, address, (uint8_t *)&checksum, 4, 1); rx_len += 4; s->regs[SONIC_CRBA1] = address >> 16; s->regs[SONIC_CRBA0] = address & 0xffff; @@ -803,11 +802,12 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size) data[3 * width] = s->regs[SONIC_TRBA1]; /* pkt_ptr1 */ data[4 * width] = s->regs[SONIC_RSC]; /* seq_no */ size = sizeof(uint16_t) * 5 * width; - s->memory_rw(s->mem_opaque, (s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA], (uint8_t *)data, size, 1); + address_space_rw(s->as, (s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA], + (uint8_t *)data, size, 1); /* Move to next descriptor */ size = sizeof(uint16_t) * width; - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, ((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) + sizeof(uint16_t) * 5 * width, (uint8_t *)data, size, 0); s->regs[SONIC_LLFA] = data[0 * width]; @@ -816,7 +816,7 @@ static ssize_t nic_receive(NetClientState *nc, const uint8_t * buf, size_t size) s->regs[SONIC_ISR] |= SONIC_ISR_RDE; } else { data[0 * width] = 0; /* in_use */ - s->memory_rw(s->mem_opaque, + address_space_rw(s->as, ((s->regs[SONIC_URDA] << 16) | s->regs[SONIC_CRDA]) + sizeof(uint16_t) * 6 * width, (uint8_t *)data, size, 1); s->regs[SONIC_CRDA] = s->regs[SONIC_LLFA]; @@ -882,8 +882,7 @@ static NetClientInfo net_dp83932_info = { void dp83932_init(NICInfo *nd, hwaddr base, int it_shift, MemoryRegion *address_space, - qemu_irq irq, void* mem_opaque, - void (*memory_rw)(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write)) + qemu_irq irq, AddressSpace *as) { dp8393xState *s; @@ -892,8 +891,7 @@ void dp83932_init(NICInfo *nd, hwaddr base, int it_shift, s = g_malloc0(sizeof(dp8393xState)); s->address_space = address_space; - s->mem_opaque = mem_opaque; - s->memory_rw = memory_rw; + s->as = as; s->it_shift = it_shift; s->irq = irq; s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s); diff --git a/include/hw/mips/mips.h b/include/hw/mips/mips.h index 2a7a9c9..f6c9d7e 100644 --- a/include/hw/mips/mips.h +++ b/include/hw/mips/mips.h @@ -15,18 +15,16 @@ PCIBus *bonito_init(qemu_irq *pic); /* rc4030.c */ typedef struct rc4030DMAState *rc4030_dma; -void rc4030_dma_memory_rw(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write); void rc4030_dma_read(void *dma, uint8_t *buf, int len); void rc4030_dma_write(void *dma, uint8_t *buf, int len); -void *rc4030_init(qemu_irq timer, qemu_irq jazz_bus, - qemu_irq **irqs, rc4030_dma **dmas, - MemoryRegion *sysmem); +AddressSpace *rc4030_init(qemu_irq timer, qemu_irq jazz_bus, + qemu_irq **irqs, rc4030_dma **dmas, + MemoryRegion *sysmem); /* dp8393x.c */ void dp83932_init(NICInfo *nd, hwaddr base, int it_shift, MemoryRegion *address_space, - qemu_irq irq, void* mem_opaque, - void (*memory_rw)(void *opaque, hwaddr addr, uint8_t *buf, int len, int is_write)); + qemu_irq irq, AddressSpace *as); #endif -- 1.7.10.4