X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fgeneric.c;h=549ba07c24391cddf3c42b39194d2945a69e8c91;hb=4381d301f8bdb373db95231264bd5d0e34b04ec8;hp=7c24fd26a3ea56e5bcfb9e92bb176f3bc3076360;hpb=39857d6a3feab71eed4c610b394c0ac58f86f550;p=palacios.git diff --git a/palacios/src/devices/generic.c b/palacios/src/devices/generic.c index 7c24fd2..549ba07 100644 --- a/palacios/src/devices/generic.c +++ b/palacios/src/devices/generic.c @@ -1,15 +1,17 @@ +/* (c) 2008, Peter Dinda */ +/* (c) 2008, The V3VEE Project */ + + #include #include #include -#include -#define GENERIC_DEBUG 1 -#if GENERIC_DEBUG -#define GENERIC_DEBUG_PRINT(first, rest...) PrintDebug(first, ##rest) -#else -#define GENERIC_DEBUG_PRINT(first, rest...) + +#ifndef DEBUG_GENERIC +#undef PrintDebug +#define PrintDebug(fmt, args...) #endif @@ -18,24 +20,19 @@ #define IRQ_HOOKS 0 // not yet implemented in device model struct generic_internal { - generic_port_range_type *port_ranges; + generic_port_range_type * port_ranges; uint_t num_port_ranges; - generic_address_range_type *address_ranges; + generic_address_range_type * address_ranges; uint_t num_address_ranges; - generic_irq_range_type *irq_ranges; + generic_irq_range_type * irq_ranges; uint_t num_irq_ranges; }; - - - - - int generic_reset_device(struct vm_device * dev) { - GENERIC_DEBUG_PRINT("generic: reset device\n"); + PrintDebug("generic: reset device\n"); return 0; @@ -45,214 +42,272 @@ int generic_reset_device(struct vm_device * dev) -int generic_start_device(struct vm_device *dev) +int generic_start_device(struct vm_device * dev) { - GENERIC_DEBUG_PRINT("generic: start device\n"); + PrintDebug("generic: start device\n"); return 0; } -int generic_stop_device(struct vm_device *dev) +int generic_stop_device(struct vm_device * dev) { - GENERIC_DEBUG_PRINT("generic: stop device\n"); + PrintDebug("generic: stop device\n"); return 0; } -int generic_write_port(ushort_t port, - void * src, - uint_t length, - struct vm_device * dev) +int generic_write_port_passthrough(ushort_t port, + void * src, + uint_t length, + struct vm_device * dev) { uint_t i; - GENERIC_DEBUG_PRINT("generic: writing 0x"); + PrintDebug("generic: writing 0x"); for (i = 0; i < length; i++) { - GENERIC_DEBUG_PRINT("%x", ((uchar_t*)src)[i]); + PrintDebug("%x", ((uchar_t*)src)[i]); } - GENERIC_DEBUG_PRINT(" to port 0x%x ... ", port); + PrintDebug(" to port 0x%x ... ", port); + switch (length) { case 1: - Out_Byte(port,((uchar_t*)src)[0]); + + v3_outb(port,((uchar_t*)src)[0]); break; case 2: - Out_Word(port,((ushort_t*)src)[0]); + v3_outw(port,((ushort_t*)src)[0]); break; case 4: - Out_DWord(port,((uint_t*)src)[0]); + v3_outdw(port,((uint_t*)src)[0]); + break; default: for (i = 0; i < length; i++) { - Out_Byte(port, ((uchar_t*)src)[i]); + v3_outb(port, ((uchar_t*)src)[i]); } - } + } //switch length - GENERIC_DEBUG_PRINT(" done\n"); + + PrintDebug(" done\n"); return length; } -int generic_read_port(ushort_t port, - void * src, - uint_t length, - struct vm_device * dev) +int generic_read_port_passthrough(ushort_t port, + void * src, + uint_t length, + struct vm_device * dev) { uint_t i; - GENERIC_DEBUG_PRINT("generic: reading 0x%x bytes from port 0x%x ...", length, port); + PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); + + + switch (length) { + case 1: + ((uchar_t*)src)[0] = v3_inb(port); + break; + case 2: + ((ushort_t*)src)[0] = v3_inw(port); + break; + case 4: + ((uint_t*)src)[0] = v3_indw(port); + break; + default: + for (i = 0; i < length; i++) { + ((uchar_t*)src)[i] = v3_inb(port); + } + }//switch length - switch (length) { - case 1: - ((uchar_t*)src)[0] = In_Byte(port); - break; - case 2: - ((ushort_t*)src)[0] = In_Word(port); - break; - case 4: - ((uint_t*)src)[0] = In_DWord(port); - break; - default: - for (i = 0; i < length; i++) { - ((uchar_t*)src)[i] = In_Byte(port); - } + PrintDebug(" done ... read 0x"); + + for (i = 0; i < length; i++) { + PrintDebug("%x", ((uchar_t*)src)[i]); } - GENERIC_DEBUG_PRINT(" done ... read 0x"); + PrintDebug("\n"); + + return length; +} + +int generic_write_port_ignore(ushort_t port, + void * src, + uint_t length, + struct vm_device * dev) +{ + uint_t i; + + PrintDebug("generic: writing 0x"); for (i = 0; i < length; i++) { - GENERIC_DEBUG_PRINT("%x", ((uchar_t*)src)[i]); + PrintDebug("%x", ((uchar_t*)src)[i]); } + + PrintDebug(" to port 0x%x ... ", port); - GENERIC_DEBUG_PRINT("\n"); + PrintDebug(" ignored\n"); + + return length; +} + +int generic_read_port_ignore(ushort_t port, + void * src, + uint_t length, + struct vm_device * dev) +{ + + PrintDebug("generic: reading 0x%x bytes from port 0x%x ...", length, port); + + memset((char*)src, 0, length); + PrintDebug(" ignored (return zeroed buffer)\n"); return length; } -int generic_interrupt(uint_t irq, - struct vm_device * dev) -{ +int generic_interrupt(uint_t irq, struct vm_device * dev) { PrintDebug("generic: interrupt 0x%x - injecting into VM\n", irq); dev->vm->vm_ops.raise_irq(dev->vm, irq); return 0; - } -int generic_init_device(struct vm_device * dev) -{ - struct generic_internal *state = (struct generic_internal *)(dev->private_data); +int generic_init_device(struct vm_device * dev) { + struct generic_internal * state = (struct generic_internal *)(dev->private_data); uint_t i, j; - GENERIC_DEBUG_PRINT("generic: init_device\n"); + PrintDebug("generic: init_device\n"); // Would read state here generic_reset_device(dev); for (i = 0; i < state->num_port_ranges; i++) { - GENERIC_DEBUG_PRINT("generic: hooking ports 0x%x to 0x%x\n", state->port_ranges[i][0], state->port_ranges[i][1]); -#if PORT_HOOKS - for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) { - if (dev_hook_io(dev, j, &generic_read_port, &generic_write_port)) { - GENERIC_DEBUG_PRINT("generic: can't hook port 0x%x (already hooked?)\n", j); + PrintDebug("generic: hooking ports 0x%x to 0x%x as %x\n", + state->port_ranges[i][0], state->port_ranges[i][1], + (state->port_ranges[i][2] == GENERIC_PRINT_AND_PASSTHROUGH) ? "print-and-passthrough" : "print-and-ignore"); + + if (PORT_HOOKS) { // This is a runtime conditional on a #define + for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) { + if (state->port_ranges[i][2] == GENERIC_PRINT_AND_PASSTHROUGH) { + + if (dev_hook_io(dev, j, &generic_read_port_passthrough, &generic_write_port_passthrough)) { + PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j); + } + + } else if (state->port_ranges[i][2] == GENERIC_PRINT_AND_IGNORE) { + + if (dev_hook_io(dev, j, &generic_read_port_ignore, &generic_write_port_ignore)) { + PrintDebug("generic: can't hook port 0x%x (already hooked?)\n", j); + } + + } } + } else { + PrintDebug("generic: hooking ports not supported\n"); } -#else - GENERIC_DEBUG_PRINT("generic: hooking ports not supported\n"); -#endif } for (i = 0; i < state->num_address_ranges; i++) { - GENERIC_DEBUG_PRINT("generic: hooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]); -#if MEM_HOOKS - if (dev_hook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) { - GENERIC_DEBUG_PRINT("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n", - state->address_ranges[i][0], state->address_ranges[i][1]); - } -#else - GENERIC_DEBUG_PRINT("generic: hooking addresses not supported\n"); -#endif + PrintDebug("generic: hooking addresses 0x%x to 0x%x\n", + state->address_ranges[i][0], state->address_ranges[i][1]); + if (MEM_HOOKS) { // This is a runtime conditional on a #define + if (dev_hook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) { + PrintDebug("generic: Can't hook addresses 0x%x to 0x%x (already hooked?)\n", + state->address_ranges[i][0], state->address_ranges[i][1]); + } + } else { + PrintDebug("generic: hooking addresses not supported\n"); + } } for (i = 0; i < state->num_irq_ranges; i++) { - GENERIC_DEBUG_PRINT("generic: hooking irqs 0x%x to 0x%x\n",state->irq_ranges[i][0],state->irq_ranges[i][1]); -#if IRQ_HOOKS - for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) { - if (dev_hook_irq(dev, j, &generic_interrupt)) { - GENERIC_DEBUG_PRINT("generic: can't hook irq 0x%x (already hooked?)\n", j); + PrintDebug("generic: hooking irqs 0x%x to 0x%x\n", + state->irq_ranges[i][0], state->irq_ranges[i][1]); + + if (IRQ_HOOKS) { // This is a runtime conditional on a #define + for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) { + if (dev_hook_irq(dev, j, &generic_interrupt)) { + PrintDebug("generic: can't hook irq 0x%x (already hooked?)\n", j); + } } + } else { + PrintDebug("generic: hooking irqs not supported\n"); } -#else - GENERIC_DEBUG_PRINT("generic: hooking irqs not supported\n"); -#endif } return 0; } -int generic_deinit_device(struct vm_device *dev) -{ +int generic_deinit_device(struct vm_device * dev) { struct generic_internal *state = (struct generic_internal *)(dev->private_data); uint_t i, j; - GENERIC_DEBUG_PRINT("generic: deinit_device\n"); + PrintDebug("generic: deinit_device\n"); + for (i = 0; i < state->num_irq_ranges; i++) { - GENERIC_DEBUG_PRINT("generic: unhooking irqs 0x%x to 0x%x\n", state->irq_ranges[i][0], state->irq_ranges[i][1]); + + PrintDebug("generic: unhooking irqs 0x%x to 0x%x\n", + state->irq_ranges[i][0], state->irq_ranges[i][1]); + + if (IRQ_HOOKS) { // This is a runtime conditional on a #define + for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) { + + if (dev_unhook_irq(dev, j)) { + PrintDebug("generic: can't unhook irq 0x%x (already unhooked?)\n",j); + } -#if IRQ_HOOKS - for (j = state->irq_ranges[i][0]; j <= state->irq_ranges[i][1]; j++) { - if (dev_unhook_irq(dev, j)) { - GENERIC_DEBUG_PRINT("generic: can't unhook irq 0x%x (already unhooked?)\n",j); } + } else { + PrintDebug("generic: unhooking irqs not supported\n"); } -#else - GENERIC_DEBUG_PRINT("generic: unhooking irqs not supported\n"); -#endif - } for (i = 0; i < state->num_address_ranges; i++) { - GENERIC_DEBUG_PRINT("generic: unhooking addresses 0x%x to 0x%x\n",state->address_ranges[i][0],state->address_ranges[i][1]); -#if MEM_HOOKS - if (dev_unhook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) { - GENERIC_DEBUG_PRINT("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n", - state->address_ranges[i][0], state->address_ranges[i][1]); - } -#else - GENERIC_DEBUG_PRINT("generic: unhooking addresses not supported\n"); -#endif + PrintDebug("generic: unhooking addresses 0x%x to 0x%x\n", + state->address_ranges[i][0], state->address_ranges[i][1]); + + if (MEM_HOOKS) { + if (dev_unhook_mem(dev, state->address_ranges[i][0], state->address_ranges[i][1])) { + + PrintDebug("generic: Can't unhook addresses 0x%x to 0x%x (already unhooked?)\n", + state->address_ranges[i][0], state->address_ranges[i][1]); + } + } else { + PrintDebug("generic: unhooking addresses not supported\n"); + } } for (i = 0; i < state->num_port_ranges; i++) { - GENERIC_DEBUG_PRINT("generic: unhooking ports 0x%x to 0x%x\n",state->port_ranges[i][0],state->port_ranges[i][1]); - -#if PORT_HOOKS - for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) { - if (dev_unhook_io(dev, j)) { - GENERIC_DEBUG_PRINT("generic: can't unhook port 0x%x (already unhooked?)\n", j); + PrintDebug("generic: unhooking ports 0x%x to 0x%x\n", + state->port_ranges[i][0], state->port_ranges[i][1]); + + if (PORT_HOOKS) { + for (j = state->port_ranges[i][0]; j <= state->port_ranges[i][1]; j++) { + if (dev_unhook_io(dev, j)) { + PrintDebug("generic: can't unhook port 0x%x (already unhooked?)\n", j); + } } + } else { + PrintDebug("generic: unhooking ports not supported\n"); } -#else - GENERIC_DEBUG_PRINT("generic: unhooking ports not supported\n"); -#endif } @@ -276,20 +331,71 @@ static struct vm_device_ops dev_ops = { struct vm_device *create_generic(generic_port_range_type port_ranges[], - uint_t num_port_ranges, generic_address_range_type address_ranges[], - uint_t num_address_ranges, - generic_irq_range_type irq_ranges[], - uint_t num_irq_ranges) + generic_irq_range_type irq_ranges[]) { struct generic_internal * generic_state = (struct generic_internal *)V3_Malloc(sizeof(struct generic_internal)); + int i; + uint_t num_port_ranges; + uint_t num_address_ranges; + uint_t num_irq_ranges; + + + num_port_ranges = 0; + + if (port_ranges != NULL) { + i = 0; + + while ((port_ranges[i] != NULL) && + ( !( (port_ranges[i][0] == 0) && + (port_ranges[i][1] == 0) && + (port_ranges[i][2] == 0)) ) ) + { + num_port_ranges++; + i++; + } + } + + + num_address_ranges = 0; + + if (address_ranges != NULL) { + i = 0; + + while ((address_ranges[i] != NULL) && + ( !( (address_ranges[i][0] == 0) && + (address_ranges[i][1] == 0) && + (address_ranges[i][2] == 0)) ) ) + { + num_address_ranges++; + i++; + } + } + num_irq_ranges = 0; + + if (irq_ranges != NULL) { + i = 0; + + while ((irq_ranges[i] != NULL) && + ( !( (irq_ranges[i][0] == 0) && + (irq_ranges[i][1] == 0) && + (irq_ranges[i][2] == 0)) ) ) + { + num_irq_ranges++; + i++; + } + } + generic_state->num_port_ranges = num_port_ranges; if (num_port_ranges > 0) { - generic_state->port_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_port_ranges); - memcpy(generic_state->port_ranges, port_ranges, sizeof(generic_port_range_type) * num_port_ranges); + + generic_state->port_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_port_ranges); + memcpy(generic_state->port_ranges, port_ranges, + (sizeof(generic_port_range_type) * num_port_ranges)); + } else { generic_state->port_ranges = NULL; } @@ -298,8 +404,11 @@ struct vm_device *create_generic(generic_port_range_type port_ranges[], generic_state->num_address_ranges = num_address_ranges; if (num_address_ranges > 0) { + generic_state->address_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_address_ranges); - memcpy(generic_state->address_ranges, address_ranges, sizeof(generic_address_range_type) * num_address_ranges); + memcpy(generic_state->address_ranges, address_ranges, + (sizeof(generic_address_range_type) * num_address_ranges)); + } else { generic_state->address_ranges = NULL; } @@ -308,13 +417,15 @@ struct vm_device *create_generic(generic_port_range_type port_ranges[], generic_state->num_irq_ranges = num_irq_ranges; if (num_irq_ranges > 0) { + generic_state->irq_ranges = V3_Malloc(sizeof(generic_address_range_type) * num_irq_ranges); - memcpy(generic_state->irq_ranges, irq_ranges, sizeof(generic_irq_range_type) * num_port_ranges); + memcpy(generic_state->irq_ranges, irq_ranges, + (sizeof(generic_irq_range_type) * num_port_ranges)); + } else { generic_state->irq_ranges = NULL; } - struct vm_device *device = create_device("GENERIC", &dev_ops, generic_state); return device;