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#include <sys/time.h>
#include <arpa/inet.h>
#include <assert.h>
#include "tools.h"
#include "model.h"
#include "error.h"
#include "bar.h"
#include "datacpy.h"
#include "pci.h"
#define default_datacpy(dst, src, access, bank) pcilib_datacpy(dst, src, access, 1, bank->raw_endianess)
uintptr_t pcilib_default_resolve(pcilib_t *ctx, pcilib_register_bank_context_t *bank_ctx, pcilib_address_resolution_flags_t flags, pcilib_register_addr_t reg_addr) {
uintptr_t addr;
const pcilib_register_bank_description_t *b = bank_ctx->bank;
if (reg_addr == PCILIB_REGISTER_ADDRESS_INVALID) reg_addr = 0;
switch (flags&PCILIB_ADDRESS_RESOLUTION_MASK_ACCESS_MODE) {
case 0:
if (b->read_addr != b->write_addr)
return PCILIB_ADDRESS_INVALID;
case PCILIB_ADDRESS_RESOLUTION_FLAG_READ_ONLY:
addr = b->read_addr + reg_addr;
break;
case PCILIB_ADDRESS_RESOLUTION_FLAG_WRITE_ONLY:
addr = b->write_addr + reg_addr;
default:
return PCILIB_ADDRESS_INVALID;
}
switch (flags&PCILIB_ADDRESS_RESOLUTION_MASK_ADDRESS_TYPE) {
case 0:
return (uintptr_t)pcilib_resolve_bar_address(ctx, b->bar, addr);
case PCILIB_ADDRESS_RESOLUTION_FLAG_BUS_ADDRESS:
case PCILIB_ADDRESS_RESOLUTION_FLAG_PHYS_ADDRESS:
return ctx->board_info.bar_start[b->bar] + addr;
}
return PCILIB_ADDRESS_INVALID;
}
int pcilib_default_read(pcilib_t *ctx, pcilib_register_bank_context_t *bank_ctx, pcilib_register_addr_t addr, pcilib_register_value_t *value) {
char *ptr;
pcilib_register_value_t val = 0;
const pcilib_register_bank_description_t *b = bank_ctx->bank;
int access = b->access / 8;
ptr = pcilib_resolve_bar_address(ctx, b->bar, b->read_addr + addr);
default_datacpy(&val, ptr, access, b);
// *value = val&BIT_MASK(bits);
*value = val;
return 0;
}
int pcilib_default_write(pcilib_t *ctx, pcilib_register_bank_context_t *bank_ctx, pcilib_register_addr_t addr, pcilib_register_value_t value) {
char *ptr;
const pcilib_register_bank_description_t *b = bank_ctx->bank;
int access = b->access / 8;
ptr = pcilib_resolve_bar_address(ctx, b->bar, b->write_addr + addr);
default_datacpy(ptr, &value, access, b);
return 0;
}
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