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authorBALATON Zoltan <balaton@eik.bme.hu>2022-10-19 18:02:56 +0200
committerDaniel Henrique Barboza <danielhb413@gmail.com>2022-10-28 13:15:23 -0300
commit61cfe0df903c1c1a0654781db0788da9cd4da32a (patch)
treeaa6c40d60fd7f3a4633fb898b8a9b8b9c4de07b2 /hw
parentc8c6d68af7e7fba666a684c684f86ddbf9f20bee (diff)
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ppc4xx_sdram: Rename local state variable for brevity
Rename the sdram local state variable to s in dcr read/write functions and reset methods for better readability and to match realize methods. Other places not converted will be changed or removed in subsequent patches. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <8e7539cb1fccd7556b68351c4dcf62534c3a69cf.1666194485.git.balaton@eik.bme.hu> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/ppc4xx_sdram.c158
1 files changed, 79 insertions, 79 deletions
diff --git a/hw/ppc/ppc4xx_sdram.c b/hw/ppc/ppc4xx_sdram.c
index 2294747..4bc53c8 100644
--- a/hw/ppc/ppc4xx_sdram.c
+++ b/hw/ppc/ppc4xx_sdram.c
@@ -237,56 +237,56 @@ static void sdram_ddr_unmap_bcr(Ppc4xxSdramDdrState *sdram)
static uint32_t sdram_ddr_dcr_read(void *opaque, int dcrn)
{
- Ppc4xxSdramDdrState *sdram = opaque;
+ Ppc4xxSdramDdrState *s = opaque;
uint32_t ret;
switch (dcrn) {
case SDRAM0_CFGADDR:
- ret = sdram->addr;
+ ret = s->addr;
break;
case SDRAM0_CFGDATA:
- switch (sdram->addr) {
+ switch (s->addr) {
case 0x00: /* SDRAM_BESR0 */
- ret = sdram->besr0;
+ ret = s->besr0;
break;
case 0x08: /* SDRAM_BESR1 */
- ret = sdram->besr1;
+ ret = s->besr1;
break;
case 0x10: /* SDRAM_BEAR */
- ret = sdram->bear;
+ ret = s->bear;
break;
case 0x20: /* SDRAM_CFG */
- ret = sdram->cfg;
+ ret = s->cfg;
break;
case 0x24: /* SDRAM_STATUS */
- ret = sdram->status;
+ ret = s->status;
break;
case 0x30: /* SDRAM_RTR */
- ret = sdram->rtr;
+ ret = s->rtr;
break;
case 0x34: /* SDRAM_PMIT */
- ret = sdram->pmit;
+ ret = s->pmit;
break;
case 0x40: /* SDRAM_B0CR */
- ret = sdram->bank[0].bcr;
+ ret = s->bank[0].bcr;
break;
case 0x44: /* SDRAM_B1CR */
- ret = sdram->bank[1].bcr;
+ ret = s->bank[1].bcr;
break;
case 0x48: /* SDRAM_B2CR */
- ret = sdram->bank[2].bcr;
+ ret = s->bank[2].bcr;
break;
case 0x4C: /* SDRAM_B3CR */
- ret = sdram->bank[3].bcr;
+ ret = s->bank[3].bcr;
break;
case 0x80: /* SDRAM_TR */
ret = -1; /* ? */
break;
case 0x94: /* SDRAM_ECCCFG */
- ret = sdram->ecccfg;
+ ret = s->ecccfg;
break;
case 0x98: /* SDRAM_ECCESR */
- ret = sdram->eccesr;
+ ret = s->eccesr;
break;
default: /* Error */
ret = -1;
@@ -304,78 +304,78 @@ static uint32_t sdram_ddr_dcr_read(void *opaque, int dcrn)
static void sdram_ddr_dcr_write(void *opaque, int dcrn, uint32_t val)
{
- Ppc4xxSdramDdrState *sdram = opaque;
+ Ppc4xxSdramDdrState *s = opaque;
switch (dcrn) {
case SDRAM0_CFGADDR:
- sdram->addr = val;
+ s->addr = val;
break;
case SDRAM0_CFGDATA:
- switch (sdram->addr) {
+ switch (s->addr) {
case 0x00: /* SDRAM_BESR0 */
- sdram->besr0 &= ~val;
+ s->besr0 &= ~val;
break;
case 0x08: /* SDRAM_BESR1 */
- sdram->besr1 &= ~val;
+ s->besr1 &= ~val;
break;
case 0x10: /* SDRAM_BEAR */
- sdram->bear = val;
+ s->bear = val;
break;
case 0x20: /* SDRAM_CFG */
val &= 0xFFE00000;
- if (!(sdram->cfg & 0x80000000) && (val & 0x80000000)) {
+ if (!(s->cfg & 0x80000000) && (val & 0x80000000)) {
trace_ppc4xx_sdram_enable("enable");
/* validate all RAM mappings */
- sdram_ddr_map_bcr(sdram);
- sdram->status &= ~0x80000000;
- } else if ((sdram->cfg & 0x80000000) && !(val & 0x80000000)) {
+ sdram_ddr_map_bcr(s);
+ s->status &= ~0x80000000;
+ } else if ((s->cfg & 0x80000000) && !(val & 0x80000000)) {
trace_ppc4xx_sdram_enable("disable");
/* invalidate all RAM mappings */
- sdram_ddr_unmap_bcr(sdram);
- sdram->status |= 0x80000000;
+ sdram_ddr_unmap_bcr(s);
+ s->status |= 0x80000000;
}
- if (!(sdram->cfg & 0x40000000) && (val & 0x40000000)) {
- sdram->status |= 0x40000000;
- } else if ((sdram->cfg & 0x40000000) && !(val & 0x40000000)) {
- sdram->status &= ~0x40000000;
+ if (!(s->cfg & 0x40000000) && (val & 0x40000000)) {
+ s->status |= 0x40000000;
+ } else if ((s->cfg & 0x40000000) && !(val & 0x40000000)) {
+ s->status &= ~0x40000000;
}
- sdram->cfg = val;
+ s->cfg = val;
break;
case 0x24: /* SDRAM_STATUS */
/* Read-only register */
break;
case 0x30: /* SDRAM_RTR */
- sdram->rtr = val & 0x3FF80000;
+ s->rtr = val & 0x3FF80000;
break;
case 0x34: /* SDRAM_PMIT */
- sdram->pmit = (val & 0xF8000000) | 0x07C00000;
+ s->pmit = (val & 0xF8000000) | 0x07C00000;
break;
case 0x40: /* SDRAM_B0CR */
- sdram_ddr_set_bcr(sdram, 0, val, sdram->cfg & 0x80000000);
+ sdram_ddr_set_bcr(s, 0, val, s->cfg & 0x80000000);
break;
case 0x44: /* SDRAM_B1CR */
- sdram_ddr_set_bcr(sdram, 1, val, sdram->cfg & 0x80000000);
+ sdram_ddr_set_bcr(s, 1, val, s->cfg & 0x80000000);
break;
case 0x48: /* SDRAM_B2CR */
- sdram_ddr_set_bcr(sdram, 2, val, sdram->cfg & 0x80000000);
+ sdram_ddr_set_bcr(s, 2, val, s->cfg & 0x80000000);
break;
case 0x4C: /* SDRAM_B3CR */
- sdram_ddr_set_bcr(sdram, 3, val, sdram->cfg & 0x80000000);
+ sdram_ddr_set_bcr(s, 3, val, s->cfg & 0x80000000);
break;
case 0x80: /* SDRAM_TR */
- sdram->tr = val & 0x018FC01F;
+ s->tr = val & 0x018FC01F;
break;
case 0x94: /* SDRAM_ECCCFG */
- sdram->ecccfg = val & 0x00F00000;
+ s->ecccfg = val & 0x00F00000;
break;
case 0x98: /* SDRAM_ECCESR */
val &= 0xFFF0F000;
- if (sdram->eccesr == 0 && val != 0) {
- qemu_irq_raise(sdram->irq);
- } else if (sdram->eccesr != 0 && val == 0) {
- qemu_irq_lower(sdram->irq);
+ if (s->eccesr == 0 && val != 0) {
+ qemu_irq_raise(s->irq);
+ } else if (s->eccesr != 0 && val == 0) {
+ qemu_irq_lower(s->irq);
}
- sdram->eccesr = val;
+ s->eccesr = val;
break;
default: /* Error */
break;
@@ -386,21 +386,21 @@ static void sdram_ddr_dcr_write(void *opaque, int dcrn, uint32_t val)
static void ppc4xx_sdram_ddr_reset(DeviceState *dev)
{
- Ppc4xxSdramDdrState *sdram = PPC4xx_SDRAM_DDR(dev);
-
- sdram->addr = 0;
- sdram->bear = 0;
- sdram->besr0 = 0; /* No error */
- sdram->besr1 = 0; /* No error */
- sdram->cfg = 0;
- sdram->ecccfg = 0; /* No ECC */
- sdram->eccesr = 0; /* No error */
- sdram->pmit = 0x07C00000;
- sdram->rtr = 0x05F00000;
- sdram->tr = 0x00854009;
+ Ppc4xxSdramDdrState *s = PPC4xx_SDRAM_DDR(dev);
+
+ s->addr = 0;
+ s->bear = 0;
+ s->besr0 = 0; /* No error */
+ s->besr1 = 0; /* No error */
+ s->cfg = 0;
+ s->ecccfg = 0; /* No ECC */
+ s->eccesr = 0; /* No error */
+ s->pmit = 0x07C00000;
+ s->rtr = 0x05F00000;
+ s->tr = 0x00854009;
/* We pre-initialize RAM banks */
- sdram->status = 0;
- sdram->cfg = 0x00800000;
+ s->status = 0;
+ s->cfg = 0x00800000;
}
static void ppc4xx_sdram_ddr_realize(DeviceState *dev, Error **errp)
@@ -572,7 +572,7 @@ static void sdram_ddr2_unmap_bcr(Ppc4xxSdramDdr2State *sdram)
static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn)
{
- Ppc4xxSdramDdr2State *sdram = opaque;
+ Ppc4xxSdramDdr2State *s = opaque;
uint32_t ret = 0;
switch (dcrn) {
@@ -580,9 +580,9 @@ static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn)
case SDRAM_R1BAS:
case SDRAM_R2BAS:
case SDRAM_R3BAS:
- if (sdram->bank[dcrn - SDRAM_R0BAS].size) {
- ret = sdram_ddr2_bcr(sdram->bank[dcrn - SDRAM_R0BAS].base,
- sdram->bank[dcrn - SDRAM_R0BAS].size);
+ if (s->bank[dcrn - SDRAM_R0BAS].size) {
+ ret = sdram_ddr2_bcr(s->bank[dcrn - SDRAM_R0BAS].base,
+ s->bank[dcrn - SDRAM_R0BAS].size);
}
break;
case SDRAM_CONF1HB:
@@ -592,16 +592,16 @@ static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn)
case SDRAM_PLBADDUHB:
break;
case SDRAM0_CFGADDR:
- ret = sdram->addr;
+ ret = s->addr;
break;
case SDRAM0_CFGDATA:
- switch (sdram->addr) {
+ switch (s->addr) {
case 0x14: /* SDRAM_MCSTAT (405EX) */
case 0x1F:
ret = 0x80000000;
break;
case 0x21: /* SDRAM_MCOPT2 */
- ret = sdram->mcopt2;
+ ret = s->mcopt2;
break;
case 0x40: /* SDRAM_MB0CF */
ret = 0x00008001;
@@ -627,7 +627,7 @@ static uint32_t sdram_ddr2_dcr_read(void *opaque, int dcrn)
static void sdram_ddr2_dcr_write(void *opaque, int dcrn, uint32_t val)
{
- Ppc4xxSdramDdr2State *sdram = opaque;
+ Ppc4xxSdramDdr2State *s = opaque;
switch (dcrn) {
case SDRAM_R0BAS:
@@ -641,25 +641,25 @@ static void sdram_ddr2_dcr_write(void *opaque, int dcrn, uint32_t val)
case SDRAM_PLBADDUHB:
break;
case SDRAM0_CFGADDR:
- sdram->addr = val;
+ s->addr = val;
break;
case SDRAM0_CFGDATA:
- switch (sdram->addr) {
+ switch (s->addr) {
case 0x00: /* B0CR */
break;
case 0x21: /* SDRAM_MCOPT2 */
- if (!(sdram->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) &&
+ if (!(s->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) &&
(val & SDRAM_DDR2_MCOPT2_DCEN)) {
trace_ppc4xx_sdram_enable("enable");
/* validate all RAM mappings */
- sdram_ddr2_map_bcr(sdram);
- sdram->mcopt2 |= SDRAM_DDR2_MCOPT2_DCEN;
- } else if ((sdram->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) &&
+ sdram_ddr2_map_bcr(s);
+ s->mcopt2 |= SDRAM_DDR2_MCOPT2_DCEN;
+ } else if ((s->mcopt2 & SDRAM_DDR2_MCOPT2_DCEN) &&
!(val & SDRAM_DDR2_MCOPT2_DCEN)) {
trace_ppc4xx_sdram_enable("disable");
/* invalidate all RAM mappings */
- sdram_ddr2_unmap_bcr(sdram);
- sdram->mcopt2 &= ~SDRAM_DDR2_MCOPT2_DCEN;
+ sdram_ddr2_unmap_bcr(s);
+ s->mcopt2 &= ~SDRAM_DDR2_MCOPT2_DCEN;
}
break;
default:
@@ -673,10 +673,10 @@ static void sdram_ddr2_dcr_write(void *opaque, int dcrn, uint32_t val)
static void ppc4xx_sdram_ddr2_reset(DeviceState *dev)
{
- Ppc4xxSdramDdr2State *sdram = PPC4xx_SDRAM_DDR2(dev);
+ Ppc4xxSdramDdr2State *s = PPC4xx_SDRAM_DDR2(dev);
- sdram->addr = 0;
- sdram->mcopt2 = 0;
+ s->addr = 0;
+ s->mcopt2 = 0;
}
static void ppc4xx_sdram_ddr2_realize(DeviceState *dev, Error **errp)