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SH4: Switch serial emulation to qemu_irq

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This patches makes SH serial emulation use qemu_irq in its interface.

        * hw/sh.h (sh_serial_init): Take qemu_irq, not intc_source.
        * hw/sh7750.c (sh7750_init): Adjust.
        * hw/sh_intc.c (sh_intc_set_irq): Don't assert or deassert
        irq more than once.
        * hw/sh_serial.c (sh_serial_state): Use qemu_irq, not intc_source.
        (sh_serial_clear_fifo, sh_serial_ioport_write)
        (sh_serial_receive_byte): Adjust.
        (sh_serial_init): Take qemu_irq, not intc_source.

(Vladimir Prus)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5769 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-11-21 21:06:51 +00:00
parent 96e2fc41a9
commit 4e7ed2d1d3
4 changed files with 33 additions and 33 deletions
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10
hw/sh.h
View File

@ -36,11 +36,11 @@ void tmu012_init(target_phys_addr_t base, int feat, uint32_t freq,
#define SH_SERIAL_FEAT_SCIF (1 << 0)
void sh_serial_init (target_phys_addr_t base, int feat,
uint32_t freq, CharDriverState *chr,
struct intc_source *eri_source,
struct intc_source *rxi_source,
struct intc_source *txi_source,
struct intc_source *tei_source,
struct intc_source *bri_source);
qemu_irq eri_source,
qemu_irq rxi_source,
qemu_irq txi_source,
qemu_irq tei_source,
qemu_irq bri_source);
/* tc58128.c */
int tc58128_init(struct SH7750State *s, const char *zone1, const char *zone2);

16
hw/sh7750.c
View File

@ -662,18 +662,18 @@ SH7750State *sh7750_init(CPUSH4State * cpu)
cpu->intc_handle = &s->intc;
sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0],
sh_intc_source(&s->intc, SCI1_ERI),
sh_intc_source(&s->intc, SCI1_RXI),
sh_intc_source(&s->intc, SCI1_TXI),
sh_intc_source(&s->intc, SCI1_TEI),
s->intc.irqs[SCI1_ERI],
s->intc.irqs[SCI1_RXI],
s->intc.irqs[SCI1_TXI],
s->intc.irqs[SCI1_TEI],
NULL);
sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
s->periph_freq, serial_hds[1],
sh_intc_source(&s->intc, SCIF_ERI),
sh_intc_source(&s->intc, SCIF_RXI),
sh_intc_source(&s->intc, SCIF_TXI),
s->intc.irqs[SCIF_ERI],
s->intc.irqs[SCIF_RXI],
s->intc.irqs[SCIF_TXI],
NULL,
sh_intc_source(&s->intc, SCIF_BRI));
s->intc.irqs[SCIF_BRI]);
tmu012_init(0x1fd80000,
TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,

5
hw/sh_intc.c
View File

@ -78,7 +78,10 @@ void sh_intc_set_irq (void *opaque, int n, int level)
struct intc_desc *desc = opaque;
struct intc_source *source = &(desc->sources[n]);
sh_intc_toggle_source(source, 0, level ? 1 : -1);
if (level && !source->asserted)
sh_intc_toggle_source(source, 0, 1);
else if (!level && source->asserted)
sh_intc_toggle_source(source, 0, -1);
}
int sh_intc_get_pending_vector(struct intc_desc *desc, int imask)

35
hw/sh_serial.c
View File

@ -61,11 +61,11 @@ typedef struct {
CharDriverState *chr;
struct intc_source *eri;
struct intc_source *rxi;
struct intc_source *txi;
struct intc_source *tei;
struct intc_source *bri;
qemu_irq eri;
qemu_irq rxi;
qemu_irq txi;
qemu_irq tei;
qemu_irq bri;
} sh_serial_state;
static void sh_serial_clear_fifo(sh_serial_state * s)
@ -98,13 +98,10 @@ static void sh_serial_ioport_write(void *opaque, uint32_t offs, uint32_t val)
if (!(val & (1 << 5)))
s->flags |= SH_SERIAL_FLAG_TEND;
if ((s->feat & SH_SERIAL_FEAT_SCIF) && s->txi) {
if ((val & (1 << 7)) && !(s->txi->asserted))
sh_intc_toggle_source(s->txi, 0, 1);
else if (!(val & (1 << 7)) && s->txi->asserted)
sh_intc_toggle_source(s->txi, 0, -1);
qemu_set_irq(s->txi, val & (1 << 7));
}
if (!(val & (1 << 6)) && s->rxi->asserted) {
sh_intc_toggle_source(s->rxi, 0, -1);
if (!(val & (1 << 6))) {
qemu_set_irq(s->rxi, 0);
}
return;
case 0x0c: /* FTDR / TDR */
@ -136,8 +133,8 @@ static void sh_serial_ioport_write(void *opaque, uint32_t offs, uint32_t val)
s->flags &= ~SH_SERIAL_FLAG_DR;
if (!(val & (1 << 1)) || !(val & (1 << 0))) {
if (s->rxi && s->rxi->asserted) {
sh_intc_toggle_source(s->rxi, 0, -1);
if (s->rxi) {
qemu_set_irq(s->rxi, 0);
}
}
return;
@ -309,7 +306,7 @@ static void sh_serial_receive_byte(sh_serial_state *s, int ch)
if (s->rx_cnt >= s->rtrg) {
s->flags |= SH_SERIAL_FLAG_RDF;
if (s->scr & (1 << 6) && s->rxi) {
sh_intc_toggle_source(s->rxi, 0, 1);
qemu_set_irq(s->rxi, 1);
}
}
}
@ -370,11 +367,11 @@ static CPUWriteMemoryFunc *sh_serial_writefn[] = {
void sh_serial_init (target_phys_addr_t base, int feat,
uint32_t freq, CharDriverState *chr,
struct intc_source *eri_source,
struct intc_source *rxi_source,
struct intc_source *txi_source,
struct intc_source *tei_source,
struct intc_source *bri_source)
qemu_irq eri_source,
qemu_irq rxi_source,
qemu_irq txi_source,
qemu_irq tei_source,
qemu_irq bri_source)
{
sh_serial_state *s;
int s_io_memory;