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Move ECC calculation to a more appropriate place.
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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3232 c046a42c-6fe2-441c-8c8c-71466251a162
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balrog committed Sep 25, 2007
1 parent 40ce0a9 commit 9ff6755
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Showing 3 changed files with 17 additions and 11 deletions.
2 changes: 1 addition & 1 deletion Makefile.target
Original file line number Diff line number Diff line change
Expand Up @@ -472,7 +472,7 @@ VL_OBJS+= arm-semi.o
VL_OBJS+= pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
VL_OBJS+= pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o max111x.o max7310.o
VL_OBJS+= spitz.o ads7846.o ide.o serial.o nand.o $(AUDIODRV) wm8750.o
VL_OBJS+= omap.o omap_lcdc.o omap1_clk.o omap_mmc.o palm.o
VL_OBJS+= omap.o omap_lcdc.o omap1_clk.o omap_mmc.o palm.o ecc.o
CPPFLAGS += -DHAS_AUDIO
endif
ifeq ($(TARGET_BASE_ARCH), sh4)
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14 changes: 5 additions & 9 deletions ecc.h → hw/ecc.c
Original file line number Diff line number Diff line change
Expand Up @@ -8,11 +8,7 @@
* This code is licensed under the GNU GPL v2.
*/

struct ecc_state_s {
uint8_t cp; /* Column parity */
uint16_t lp[2]; /* Line parity */
uint16_t count;
};
#include "vl.h"

/*
* Pre-calculated 256-way 1 byte column parity. Table borrowed from Linux.
Expand Down Expand Up @@ -53,7 +49,7 @@ static const uint8_t nand_ecc_precalc_table[] = {
};

/* Update ECC parity count. */
static inline uint8_t ecc_digest(struct ecc_state_s *s, uint8_t sample)
uint8_t ecc_digest(struct ecc_state_s *s, uint8_t sample)
{
uint8_t idx = nand_ecc_precalc_table[sample];

Expand All @@ -68,7 +64,7 @@ static inline uint8_t ecc_digest(struct ecc_state_s *s, uint8_t sample)
}

/* Reinitialise the counters. */
static inline void ecc_reset(struct ecc_state_s *s)
void ecc_reset(struct ecc_state_s *s)
{
s->lp[0] = 0x0000;
s->lp[1] = 0x0000;
Expand All @@ -77,15 +73,15 @@ static inline void ecc_reset(struct ecc_state_s *s)
}

/* Save/restore */
static inline void ecc_put(QEMUFile *f, struct ecc_state_s *s)
void ecc_put(QEMUFile *f, struct ecc_state_s *s)
{
qemu_put_8s(f, &s->cp);
qemu_put_be16s(f, &s->lp[0]);
qemu_put_be16s(f, &s->lp[1]);
qemu_put_be16s(f, &s->count);
}

static inline void ecc_get(QEMUFile *f, struct ecc_state_s *s)
void ecc_get(QEMUFile *f, struct ecc_state_s *s)
{
qemu_get_8s(f, &s->cp);
qemu_get_be16s(f, &s->lp[0]);
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12 changes: 11 additions & 1 deletion vl.h
Original file line number Diff line number Diff line change
Expand Up @@ -1539,7 +1539,17 @@ uint8_t nand_getio(struct nand_flash_s *s);
#define NAND_MFR_HYNIX 0xad
#define NAND_MFR_MICRON 0x2c

#include "ecc.h"
/* ecc.c */
struct ecc_state_s {
uint8_t cp; /* Column parity */
uint16_t lp[2]; /* Line parity */
uint16_t count;
};

uint8_t ecc_digest(struct ecc_state_s *s, uint8_t sample);
void ecc_reset(struct ecc_state_s *s);
void ecc_put(QEMUFile *f, struct ecc_state_s *s);
void ecc_get(QEMUFile *f, struct ecc_state_s *s);

/* GPIO */
typedef void (*gpio_handler_t)(int line, int level, void *opaque);
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