static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
{
SH7750State *s = opaque;
switch (addr) {
case SH7750_BCR2_A7:
return s->bcr2;
case SH7750_BCR3_A7:
if(!has_bcr3_and_bcr4(s))
error_access("word read", addr);
return s->bcr3;
case SH7750_FRQCR_A7:
return 0;
case SH7750_PCR_A7:
return s->pcr;
case SH7750_RFCR_A7:
fprintf(stderr,
"Read access to refresh count register, incrementing\n");
return s->rfcr++;
case SH7750_PDTRA_A7:
return porta_lines(s);
case SH7750_PDTRB_A7:
return portb_lines(s);
case SH7750_RTCOR_A7:
case SH7750_RTCNT_A7:
case SH7750_RTCSR_A7:
ignore_access("word read", addr);
return 0;
default:
error_access("word read", addr);
abort();
}
}
static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
ignore_access("byte write", addr);
return;
}
error_access("byte write", addr);
abort();
}
static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
uint16_t temp;
switch (addr) {
/* SDRAM controller */
case SH7750_BCR2_A7:
s->bcr2 = mem_value;
return;
case SH7750_BCR3_A7:
if(!has_bcr3_and_bcr4(s))
error_access("word write", addr);
s->bcr3 = mem_value;
return;
case SH7750_PCR_A7:
s->pcr = mem_value;
return;
case SH7750_RTCNT_A7:
case SH7750_RTCOR_A7:
case SH7750_RTCSR_A7:
ignore_access("word write", addr);
return;
/* IO ports */
case SH7750_PDTRA_A7:
temp = porta_lines(s);
s->pdtra = mem_value;
porta_changed(s, temp);
return;
case SH7750_PDTRB_A7:
temp = portb_lines(s);
s->pdtrb = mem_value;
portb_changed(s, temp);
return;
case SH7750_RFCR_A7:
fprintf(stderr, "Write access to refresh count register\n");
s->rfcr = mem_value;
return;
case SH7750_GPIOIC_A7:
s->gpioic = mem_value;
if (mem_value != 0) {
fprintf(stderr, "I/O interrupts not implemented\n");
abort();
}
return;
default:
error_access("word write", addr);
abort();
}
}
static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
switch (addr) {
/* PRECHARGE ? XXXXX */
case SH7750_PRECHARGE0_A7:
case SH7750_PRECHARGE1_A7:
ignore_access("byte write", addr);
return;
default:
error_access("byte write", addr);
assert(0);
}
}
static uint32_t sh7750_mem_readl(void *opaque, hwaddr addr)
{
SH7750State *s = opaque;
SuperHCPUClass *scc;
switch (addr) {
case SH7750_BCR1_A7:
return s->bcr1;
case SH7750_BCR4_A7:
if(!has_bcr3_and_bcr4(s))
error_access("long read", addr);
return s->bcr4;
case SH7750_WCR1_A7:
case SH7750_WCR2_A7:
case SH7750_WCR3_A7:
case SH7750_MCR_A7:
ignore_access("long read", addr);
return 0;
case SH7750_MMUCR_A7:
return s->cpu->env.mmucr;
case SH7750_PTEH_A7:
return s->cpu->env.pteh;
case SH7750_PTEL_A7:
return s->cpu->env.ptel;
case SH7750_TTB_A7:
return s->cpu->env.ttb;
case SH7750_TEA_A7:
return s->cpu->env.tea;
case SH7750_TRA_A7:
return s->cpu->env.tra;
case SH7750_EXPEVT_A7:
return s->cpu->env.expevt;
case SH7750_INTEVT_A7:
return s->cpu->env.intevt;
case SH7750_CCR_A7:
return s->ccr;
case 0x1f000030: /* Processor version */
scc = SUPERH_CPU_GET_CLASS(s->cpu);
return scc->pvr;
case 0x1f000040: /* Cache version */
scc = SUPERH_CPU_GET_CLASS(s->cpu);
return scc->cvr;
case 0x1f000044: /* Processor revision */
scc = SUPERH_CPU_GET_CLASS(s->cpu);
return scc->prr;
default:
error_access("long read", addr);
abort();
}
}
static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
{
SH7750State *s = opaque;
switch (addr) {
case SH7750_BCR1_A7:
return s->bcr1;
case SH7750_BCR4_A7:
if(!has_bcr3_and_bcr4(s))
error_access("long read", addr);
return s->bcr4;
case SH7750_WCR1_A7:
case SH7750_WCR2_A7:
case SH7750_WCR3_A7:
case SH7750_MCR_A7:
ignore_access("long read", addr);
return 0;
case SH7750_MMUCR_A7:
return s->cpu->mmucr;
case SH7750_PTEH_A7:
return s->cpu->pteh;
case SH7750_PTEL_A7:
return s->cpu->ptel;
case SH7750_TTB_A7:
return s->cpu->ttb;
case SH7750_TEA_A7:
return s->cpu->tea;
case SH7750_TRA_A7:
return s->cpu->tra;
case SH7750_EXPEVT_A7:
return s->cpu->expevt;
case SH7750_INTEVT_A7:
return s->cpu->intevt;
case SH7750_CCR_A7:
return s->ccr;
case 0x1f000030: /* Processor version */
return s->cpu->pvr;
case 0x1f000040: /* Cache version */
return s->cpu->cvr;
case 0x1f000044: /* Processor revision */
return s->cpu->prr;
default:
error_access("long read", addr);
abort();
}
}
static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
uint16_t temp;
switch (addr) {
/* SDRAM controller */
case SH7750_BCR1_A7:
s->bcr1 = mem_value;
return;
case SH7750_BCR4_A7:
if(!has_bcr3_and_bcr4(s))
error_access("long write", addr);
s->bcr4 = mem_value;
return;
case SH7750_WCR1_A7:
case SH7750_WCR2_A7:
case SH7750_WCR3_A7:
case SH7750_MCR_A7:
ignore_access("long write", addr);
return;
/* IO ports */
case SH7750_PCTRA_A7:
temp = porta_lines(s);
s->pctra = mem_value;
s->portdira = portdir(mem_value);
s->portpullupa = portpullup(mem_value);
porta_changed(s, temp);
return;
case SH7750_PCTRB_A7:
temp = portb_lines(s);
s->pctrb = mem_value;
s->portdirb = portdir(mem_value);
s->portpullupb = portpullup(mem_value);
portb_changed(s, temp);
return;
case SH7750_MMUCR_A7:
if (mem_value & MMUCR_TI) {
cpu_sh4_invalidate_tlb(s->cpu);
}
s->cpu->mmucr = mem_value & ~MMUCR_TI;
return;
case SH7750_PTEH_A7:
/* If asid changes, clear all registered tlb entries. */
if ((s->cpu->pteh & 0xff) != (mem_value & 0xff))
tlb_flush(s->cpu, 1);
s->cpu->pteh = mem_value;
return;
case SH7750_PTEL_A7:
s->cpu->ptel = mem_value;
return;
case SH7750_PTEA_A7:
s->cpu->ptea = mem_value & 0x0000000f;
return;
case SH7750_TTB_A7:
s->cpu->ttb = mem_value;
return;
case SH7750_TEA_A7:
s->cpu->tea = mem_value;
return;
case SH7750_TRA_A7:
s->cpu->tra = mem_value & 0x000007ff;
return;
case SH7750_EXPEVT_A7:
s->cpu->expevt = mem_value & 0x000007ff;
return;
case SH7750_INTEVT_A7:
s->cpu->intevt = mem_value & 0x000007ff;
return;
case SH7750_CCR_A7:
s->ccr = mem_value;
return;
default:
error_access("long write", addr);
abort();
}
}