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wolfBoot
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app_hifive1: improved debug (app RAM moved ahead to help debugging RAM 

code + optional naked version of write_page()
pull/14/head
Daniele Lacamera 2019-07-08 19:04:20 +02:00
parent b5cf09d418
commit cfa058c411
2 changed files with 22 additions and 2 deletions
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2
test-app/RISCV.ld
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@ -5,7 +5,7 @@ ENTRY( _reset )
MEMORY
{
FLASH(rxai!w) : ORIGIN = 0x20020100, LENGTH = 256K - 0x100
RAM(wxa!ri) : ORIGIN = 0x80000000, LENGTH = 16K
RAM(wxa!ri) : ORIGIN = 0x80001000, LENGTH = 12K
}
SECTIONS

22
test-app/hifive1_write_page.c
View File

@ -1,11 +1,31 @@
#include <stdint.h>
#include "hal.h"
#include "target.h"
#include "wolfboot/wolfboot.h"
#define PAGESIZE (0x1000) /* Flash sector: 4K */
extern uint8_t flash_page[];
#ifdef APP_DEBUG_WRITE_PAGE
__attribute__((used,naked,section(".ramcode.user")))
void write_page(uint32_t dst)
{
asm volatile ("addi sp, sp, -4");
asm volatile ("sw ra, 0(sp)");
if (dst == 0x60000)
wolfBoot_erase_partition(0x01);
hal_flash_write(dst, flash_page, PAGESIZE);
asm volatile ("lw a4, 0(sp)");
asm volatile ("addi sp, sp, 4");
asm volatile ("jr a4");
}
#endif
__attribute__((used,section(".ramcode.user")))
void write_page(uint32_t dst)
{
hal_flash_erase(dst, PAGESIZE);
if (dst == 0x60000)
wolfBoot_erase_partition(0x01);
hal_flash_write(dst, flash_page, PAGESIZE);
}