deon/gnuk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix ReGNUal.

Browse Source
This commit is contained in:
NIIBE Yutaka
2017-11-17 15:47:59 +09:00
parent bb9b31166f
commit 9c63c874d0
3 changed files with 20 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
ChangeLog
View File

@@ -1,5 +1,7 @@
2017-11-17 NIIBE Yutaka <gniibe@fsij.org>
* regnual/regnual.c (calc_crc32): Enable CRC module.
* src/neug.c (crc32_rv_stop): New.
(neug_fini): Call crc32_rv_stop.

22
regnual/regnual.c
View File

@@ -147,19 +147,33 @@ static uint32_t fetch (int i)
}
struct CRC {
__IO uint32_t DR;
__IO uint8_t IDR;
volatile uint32_t DR;
volatile uint8_t IDR;
uint8_t RESERVED0;
uint16_t RESERVED1;
__IO uint32_t CR;
volatile uint32_t CR;
};
static struct CRC *const CRC = (struct CRC *)0x40023000;
struct RCC {
volatile uint32_t CR;
volatile uint32_t CFGR;
volatile uint32_t CIR;
volatile uint32_t APB2RSTR;
volatile uint32_t APB1RSTR;
volatile uint32_t AHBENR;
/* ... */
};
static struct RCC *const RCC = (struct RCC *)0x40021000;
#define RCC_AHBENR_CRCEN 0x00000040
#define CRC_CR_RESET 0x01
static uint32_t calc_crc32 (void)
{
struct CRC *CRC = (struct CRC *)0x40023000;
int i;
RCC->AHBENR &= ~RCC_AHBENR_CRCEN;
CRC->CR = CRC_CR_RESET;
for (i = 0; i < 256/4; i++)

2
regnual/types.h
View File

@@ -9,5 +9,3 @@ typedef unsigned int uintptr_t;
#define FALSE 0
#define NULL 0
#define __IO volatile