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elf2uf2: add the cache memory range described in Section 2.8.4.2 (#14)

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* elf2uf2: add the cache memory range described in Section 2.8.4.2 of datasheet

* elf2uf2: update memory region nomenclature

* elf2uf2: update ROM size

* elf2uf2: use existing metadata to evaluate ram_style

Authored-by: Peter Lawrence <12226419+majbthrd@users.noreply.github.com>
This commit is contained in:
majbthrd 2021-01-27 12:14:10 -06:00 committed by Graham Sanderson
parent 7125bbb535
commit 76b385bc26
1 changed files with 14 additions and 2 deletions
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16
tools/elf2uf2/main.cpp
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@ -63,6 +63,8 @@ typedef std::vector<address_range> address_ranges;
#define MAIN_RAM_END 0x20042000u
#define FLASH_START 0x10000000u
#define FLASH_END 0x15000000u
#define XIP_SRAM_START 0x15000000u
#define XIP_SRAM_END 0x15004000u
const address_ranges rp2040_address_ranges_flash {
address_range(FLASH_START, FLASH_END, address_range::type::CONTENTS),
@ -71,7 +73,8 @@ const address_ranges rp2040_address_ranges_flash {
const address_ranges rp2040_address_ranges_ram {
address_range(MAIN_RAM_START, MAIN_RAM_END, address_range::type::CONTENTS),
address_range(0x00000000u, 0x00002000u, address_range::type::IGNORE) // for now we ignore the bootrom if present
address_range(XIP_SRAM_START, XIP_SRAM_END, address_range::type::CONTENTS),
address_range(0x00000000u, 0x00004000u, address_range::type::IGNORE) // for now we ignore the bootrom if present
};
struct page_fragment {
@ -212,6 +215,15 @@ static bool is_address_valid(const address_ranges& valid_ranges, uint32_t addr)
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;
}
static bool is_address_mapped(const std::map<uint32_t, std::vector<page_fragment>>& pages, uint32_t addr) {
uint32_t page = addr & ~(PAGE_SIZE - 1);
if (!pages.count(page)) return false;
@ -226,7 +238,7 @@ int elf2uf2(FILE *in, FILE *out) {
bool ram_style = false;
address_ranges valid_ranges = {};
if (!rc) {
ram_style = 0x2 == eh.entry >> 28u;
ram_style = is_address_initialized(rp2040_address_ranges_ram, eh.entry);
if (verbose) {
if (ram_style) {
printf("Detected RAM binary\n");