xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2025-02-09 05:38:34 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Better STOPINTR bit semantics in the PXA2xx DMA.

Browse Source 
Don't error out on reading GPCR register, just warn (Thorsten Zitterell).
Don't zero a memory that's already zeroed.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3676 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-11-17 18:43:47 +00:00
parent 749bc4bf0b
commit e1dad5a615
4 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
hw/pxa2xx_dma.c
View File

@ -348,8 +348,10 @@ static void pxa2xx_dma_write(void *opaque,
if (value & DCSR_NODESCFETCH) {
/* No-descriptor-fetch mode */
if (value & DCSR_RUN)
if (value & DCSR_RUN) {
s->chan[channel].state &= ~DCSR_STOPINTR;
pxa2xx_dma_run(s);
}
} else {
/* Descriptor-fetch mode */
if (value & DCSR_RUN) {

5
hw/pxa2xx_gpio.c
View File

@ -154,6 +154,11 @@ static uint32_t pxa2xx_gpio_read(void *opaque, target_phys_addr_t offset)
__FUNCTION__, offset);
return s->gpsr[bank]; /* Return last written value. */
case GPCR: /* GPIO Pin-Output Clear registers */
printf("%s: Read from a write-only register " REG_FMT "\n",
__FUNCTION__, offset);
return 31337; /* Specified as unpredictable in the docs. */
case GRER: /* GPIO Rising-Edge Detect Enable registers */
return s->rising[bank];

2
hw/pxa2xx_mmci.c
View File

@ -549,5 +549,5 @@ struct pxa2xx_mmci_s *pxa2xx_mmci_init(target_phys_addr_t base,
void pxa2xx_mmci_handlers(struct pxa2xx_mmci_s *s, qemu_irq readonly,
qemu_irq coverswitch)
{
sd_set_cb(s->card, read, coverswitch);
sd_set_cb(s->card, readonly, coverswitch);
}

1
hw/sd.c
View File

@ -377,7 +377,6 @@ static void sd_reset(SDState *sd, BlockDriverState *bdrv)
qemu_free(sd->wp_groups);
sd->wp_switch = bdrv_is_read_only(bdrv);
sd->wp_groups = (int *) qemu_mallocz(sizeof(int) * sect);
memset(sd->wp_groups, 0, sizeof(int) * sect);
memset(sd->function_group, 0, sizeof(int) * 6);
sd->erase_start = 0;
sd->erase_end = 0;