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#ifndef _ADDRESSES_H
#define _ADDRESSES_H
#define ROM_START 0x00000000 // same as ROM_BASE in addressmap.h
#define ROM_END_RP2040 0x00004000
#define ROM_END_RP2350 0x00008000
// todo amy based on what sort of elf (also this breaks RP2040 builds?)
#define FLASH_START 0x10000000 // same as XIP_MAIN_BASE in addressmap.h
#define FLASH_END_RP2040 0x11000000 // +32 MiB -- remainder has no external devices mapped
#define FLASH_END_RP2350 0x12000000 // +32 MiB -- remainder has no external devices mapped
// todo amy based on what sort of elf
#define XIP_SRAM_START_RP2040 0x15000000
#define XIP_SRAM_END_RP2040 0x15004000
#define XIP_SRAM_START_RP2350 0x13ffc000 // same as XIP_SRAM_BASE in addressmap.h
#define XIP_SRAM_END_RP2350 0x14000000 // same as XIP_SRAM_END in addressmap.h
#define SRAM_START 0x20000000 // same as SRAM_BASE in addressmap.h
#define SRAM_END_RP2040 0x20042000
#define SRAM_END_RP2350 0x20082000
// todo amy no more banked alias
#define MAIN_RAM_BANKED_START 0x21000000
#define MAIN_RAM_BANKED_END 0x21040000
#ifdef __cplusplus
#include <cstdint>
#include <vector>
#ifdef _WIN32
#undef IGNORE
#endif
// Address ranges for RP2040/RP2350
struct address_range {
enum type {
CONTENTS, // may have contents
NO_CONTENTS, // must be uninitialized
IGNORE // will be ignored
};
address_range(uint32_t from, uint32_t to, type type) : from(from), to(to), type(type) {}
address_range() : address_range(0, 0, IGNORE) {}
uint32_t from;
uint32_t to;
type type;
};
typedef std::vector<address_range> address_ranges;
const address_ranges rp2040_address_ranges_flash {
address_range(FLASH_START, FLASH_END_RP2040, address_range::type::CONTENTS),
address_range(SRAM_START, SRAM_END_RP2040, address_range::type::NO_CONTENTS),
address_range(MAIN_RAM_BANKED_START, MAIN_RAM_BANKED_END, address_range::type::NO_CONTENTS)
};
const address_ranges rp2040_address_ranges_ram {
address_range(SRAM_START, SRAM_END_RP2040, address_range::type::CONTENTS),
address_range(XIP_SRAM_START_RP2040, XIP_SRAM_END_RP2040, address_range::type::CONTENTS),
address_range(ROM_START, ROM_END_RP2040, address_range::type::IGNORE) // for now we ignore the bootrom if present
};
const address_ranges rp2350_address_ranges_flash {
address_range(FLASH_START, FLASH_END_RP2350, address_range::type::CONTENTS),
address_range(SRAM_START, SRAM_END_RP2350, address_range::type::NO_CONTENTS),
address_range(MAIN_RAM_BANKED_START, MAIN_RAM_BANKED_END, address_range::type::NO_CONTENTS)
};
const address_ranges rp2350_address_ranges_ram {
address_range(SRAM_START, SRAM_END_RP2350, address_range::type::CONTENTS),
address_range(XIP_SRAM_START_RP2350, XIP_SRAM_END_RP2350, address_range::type::CONTENTS),
address_range(ROM_START, ROM_END_RP2350, address_range::type::IGNORE) // for now we ignore the bootrom if present
};
static bool is_address_valid(const address_ranges& valid_ranges, uint32_t addr) {
for(const auto& range : valid_ranges) {
if (range.from <= addr && range.to > addr) {
return true;
}
}
return false;
}
static bool is_address_initialized(const address_ranges& valid_ranges, uint32_t addr) {
for(const auto& range : valid_ranges) {
if (range.from <= addr && range.to > addr) {
return address_range::type::CONTENTS == range.type;
}
}
return false;
}
#endif
#endif
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