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Bootrom: Enable serial number from flash

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* Add `.ramfunc` section to bootrom loader script
* exclude spiffs functionality from flashmem.h/flashmem.c
   (allows bootrom to use flashmem)
* hide unused tick.h / flashmem.h functions from bootrom
   (not technically necessary; see comments)
* bootrom: add source files, include path, and defines when
  `PLATFORM_DEFS` defines `WITH_FLASH`
* Define `AS_BOOTROM` to indicate code is building for bootrom
This commit is contained in:
Henry Gabryjelski 2023-02-17 16:59:00 -08:00
commit 44676bde72
9 changed files with 373 additions and 272 deletions
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64
common_arm/ticks.h Normal file
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//-----------------------------------------------------------------------------
// Copyright (C) Jonathan Westhues, Aug 2005
// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// See LICENSE.txt for the text of the license.
//-----------------------------------------------------------------------------
// Timers, Clocks functions used in LF or Legic where you would need detailed time.
//-----------------------------------------------------------------------------
#ifndef __TICKS_H
#define __TICKS_H
#include "common.h"
#ifndef GET_TICKS
#define GET_TICKS GetTicks()
#endif
void StartTicks(void);
uint32_t GetTicks(void);
void WaitUS(uint32_t us);
void WaitTicks(uint32_t ticks);
void StartCountUS(void);
uint32_t RAMFUNC GetCountUS(void);
void StopTicks(void);
#ifndef AS_BOOTROM //////////////////////////////////////////////////////////////
// Bootrom does not require these functions.
// Wrap in #ifndef to avoid accidental bloat of bootrom
void SpinDelay(int ms);
void SpinDelayUs(int us);
void SpinDelayUsPrecision(int us); // precision 0.6us , running for 43ms before
void StartTickCount(void);
uint32_t RAMFUNC GetTickCount(void);
uint32_t RAMFUNC GetTickCountDelta(uint32_t start_ticks);
void ResetUSClock(void);
void SpinDelayCountUs(uint32_t us);
void StartCountSspClk(void);
void ResetSspClk(void);
uint32_t RAMFUNC GetCountSspClk(void);
uint32_t RAMFUNC GetCountSspClkDelta(uint32_t start);
void WaitMS(uint32_t ms);
#endif // #ifndef AS_BOOTROM
#endif