* THE SOFTWARE.
*/
#include <stdio.h>
-#include <assert.h>
#include "hw.h"
#include "sh.h"
#include "sysemu.h"
#include "sh7750_regs.h"
#include "sh7750_regnames.h"
#include "sh_intc.h"
+#include "cpu.h"
+#include "exec-memory.h"
#define NB_DEVICES 4
typedef struct SH7750State {
+ MemoryRegion iomem;
+ MemoryRegion iomem_1f0;
+ MemoryRegion iomem_ff0;
+ MemoryRegion iomem_1f8;
+ MemoryRegion iomem_ff8;
+ MemoryRegion iomem_1fc;
+ MemoryRegion iomem_ffc;
+ MemoryRegion mmct_iomem;
/* CPU */
CPUSH4State *cpu;
/* Peripheral frequency in Hz */
uint32_t periph_freq;
/* SDRAM controller */
+ uint32_t bcr1;
+ uint16_t bcr2;
+ uint16_t bcr3;
+ uint32_t bcr4;
uint16_t rfcr;
+ /* PCMCIA controller */
+ uint16_t pcr;
/* IO ports */
uint16_t gpioic;
uint32_t pctra;
uint16_t periph_portdirb; /* Direction seen from the peripherals */
sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */
- uint16_t icr;
/* Cache */
uint32_t ccr;
struct intc_desc intc;
} SH7750State;
-
+static inline int has_bcr3_and_bcr4(SH7750State * s)
+{
+ return (s->cpu->features & SH_FEATURE_BCR3_AND_BCR4);
+}
/**********************************************************************
I/O ports
**********************************************************************/
Memory
**********************************************************************/
-static void error_access(const char *kind, target_phys_addr_t addr)
+static void error_access(const char *kind, hwaddr addr)
{
- fprintf(stderr, "%s to %s (0x%08x) not supported\n",
+ fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") not supported\n",
kind, regname(addr), addr);
}
-static void ignore_access(const char *kind, target_phys_addr_t addr)
+static void ignore_access(const char *kind, hwaddr addr)
{
- fprintf(stderr, "%s to %s (0x%08x) ignored\n",
+ fprintf(stderr, "%s to %s (0x" TARGET_FMT_plx ") ignored\n",
kind, regname(addr), addr);
}
-static uint32_t sh7750_mem_readb(void *opaque, target_phys_addr_t addr)
+static uint32_t sh7750_mem_readb(void *opaque, hwaddr addr)
{
switch (addr) {
default:
error_access("byte read", addr);
- assert(0);
+ abort();
}
}
-static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr)
+static uint32_t sh7750_mem_readw(void *opaque, hwaddr 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 porta_lines(s);
case SH7750_PDTRB_A7:
return portb_lines(s);
- case 0x1fd00000:
- return s->icr;
+ 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);
- assert(0);
+ abort();
}
}
-static uint32_t sh7750_mem_readl(void *opaque, target_phys_addr_t addr)
+static uint32_t sh7750_mem_readl(void *opaque, hwaddr 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->intevt;
case SH7750_CCR_A7:
return s->ccr;
- case 0x1f000030: /* Processor version PVR */
- return 0x00050000; /* SH7750R */
- case 0x1f000040: /* Processor version CVR */
- return 0x00110000; /* Minimum caches */
- case 0x1f000044: /* Processor version PRR */
- return 0x00000100; /* SH7750R */
+ 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);
- assert(0);
+ abort();
}
}
-static void sh7750_mem_writeb(void *opaque, target_phys_addr_t addr,
+#define is_in_sdrmx(a, x) (a >= SH7750_SDMR ## x ## _A7 \
+ && a <= (SH7750_SDMR ## x ## _A7 + SH7750_SDMR ## x ## _REGNB))
+static void sh7750_mem_writeb(void *opaque, hwaddr addr,
uint32_t mem_value)
{
- switch (addr) {
- /* PRECHARGE ? XXXXX */
- case SH7750_PRECHARGE0_A7:
- case SH7750_PRECHARGE1_A7:
+
+ if (is_in_sdrmx(addr, 2) || is_in_sdrmx(addr, 3)) {
ignore_access("byte write", addr);
return;
- default:
- error_access("byte write", addr);
- assert(0);
}
+
+ error_access("byte write", addr);
+ abort();
}
-static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr,
+static void sh7750_mem_writew(void *opaque, hwaddr addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
switch (addr) {
/* SDRAM controller */
case SH7750_BCR2_A7:
+ s->bcr2 = mem_value;
+ return;
case SH7750_BCR3_A7:
- case SH7750_RTCOR_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;
s->gpioic = mem_value;
if (mem_value != 0) {
fprintf(stderr, "I/O interrupts not implemented\n");
- assert(0);
+ abort();
}
return;
- case 0x1fd00000:
- s->icr = mem_value;
- return;
default:
error_access("word write", addr);
- assert(0);
+ abort();
}
}
-static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
+static void sh7750_mem_writel(void *opaque, hwaddr addr,
uint32_t mem_value)
{
SH7750State *s = opaque;
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:
portb_changed(s, temp);
return;
case SH7750_MMUCR_A7:
- s->cpu->mmucr = mem_value;
- return;
+ 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:
return;
default:
error_access("long write", addr);
- assert(0);
+ abort();
}
}
-static CPUReadMemoryFunc *sh7750_mem_read[] = {
- sh7750_mem_readb,
- sh7750_mem_readw,
- sh7750_mem_readl
-};
-
-static CPUWriteMemoryFunc *sh7750_mem_write[] = {
- sh7750_mem_writeb,
- sh7750_mem_writew,
- sh7750_mem_writel
+static const MemoryRegionOps sh7750_mem_ops = {
+ .old_mmio = {
+ .read = {sh7750_mem_readb,
+ sh7750_mem_readw,
+ sh7750_mem_readl },
+ .write = {sh7750_mem_writeb,
+ sh7750_mem_writew,
+ sh7750_mem_writel },
+ },
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
/* sh775x interrupt controller tables for sh_intc.c
UNUSED = 0,
/* interrupt sources */
- IRL0, IRL1, IRL2, IRL3, /* only IRLM mode supported */
+ IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6, IRL_7,
+ IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E,
+ IRL0, IRL1, IRL2, IRL3,
HUDI, GPIOI,
DMAC_DMTE0, DMAC_DMTE1, DMAC_DMTE2, DMAC_DMTE3,
DMAC_DMTE4, DMAC_DMTE5, DMAC_DMTE6, DMAC_DMTE7,
/* interrupt groups */
DMAC, PCIC1, TMU2, RTC, SCI1, SCIF, REF,
+ /* irl bundle */
+ IRL,
NR_SOURCES,
};
PCIC1_PCIDMA0, PCIC1_PCIDMA1, PCIC1_PCIDMA2, PCIC1_PCIDMA3),
};
-#define SH_CPU_SH7750 (1 << 0)
-#define SH_CPU_SH7750S (1 << 1)
-#define SH_CPU_SH7750R (1 << 2)
-#define SH_CPU_SH7751 (1 << 3)
-#define SH_CPU_SH7751R (1 << 4)
-#define SH_CPU_SH7750_ALL (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7750R)
-#define SH_CPU_SH7751_ALL (SH_CPU_SH7751 | SH_CPU_SH7751R)
+static struct intc_vect vectors_irl[] = {
+ INTC_VECT(IRL_0, 0x200),
+ INTC_VECT(IRL_1, 0x220),
+ INTC_VECT(IRL_2, 0x240),
+ INTC_VECT(IRL_3, 0x260),
+ INTC_VECT(IRL_4, 0x280),
+ INTC_VECT(IRL_5, 0x2a0),
+ INTC_VECT(IRL_6, 0x2c0),
+ INTC_VECT(IRL_7, 0x2e0),
+ INTC_VECT(IRL_8, 0x300),
+ INTC_VECT(IRL_9, 0x320),
+ INTC_VECT(IRL_A, 0x340),
+ INTC_VECT(IRL_B, 0x360),
+ INTC_VECT(IRL_C, 0x380),
+ INTC_VECT(IRL_D, 0x3a0),
+ INTC_VECT(IRL_E, 0x3c0),
+};
+
+static struct intc_group groups_irl[] = {
+ INTC_GROUP(IRL, IRL_0, IRL_1, IRL_2, IRL_3, IRL_4, IRL_5, IRL_6,
+ IRL_7, IRL_8, IRL_9, IRL_A, IRL_B, IRL_C, IRL_D, IRL_E),
+};
-SH7750State *sh7750_init(CPUSH4State * cpu)
+/**********************************************************************
+ Memory mapped cache and TLB
+**********************************************************************/
+
+#define MM_REGION_MASK 0x07000000
+#define MM_ICACHE_ADDR (0)
+#define MM_ICACHE_DATA (1)
+#define MM_ITLB_ADDR (2)
+#define MM_ITLB_DATA (3)
+#define MM_OCACHE_ADDR (4)
+#define MM_OCACHE_DATA (5)
+#define MM_UTLB_ADDR (6)
+#define MM_UTLB_DATA (7)
+#define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24)
+
+static uint64_t invalid_read(void *opaque, hwaddr addr)
+{
+ abort();
+
+ return 0;
+}
+
+static uint64_t sh7750_mmct_read(void *opaque, hwaddr addr,
+ unsigned size)
+{
+ SH7750State *s = opaque;
+ uint32_t ret = 0;
+
+ if (size != 4) {
+ return invalid_read(opaque, addr);
+ }
+
+ switch (MM_REGION_TYPE(addr)) {
+ case MM_ICACHE_ADDR:
+ case MM_ICACHE_DATA:
+ /* do nothing */
+ break;
+ case MM_ITLB_ADDR:
+ ret = cpu_sh4_read_mmaped_itlb_addr(s->cpu, addr);
+ break;
+ case MM_ITLB_DATA:
+ ret = cpu_sh4_read_mmaped_itlb_data(s->cpu, addr);
+ break;
+ case MM_OCACHE_ADDR:
+ case MM_OCACHE_DATA:
+ /* do nothing */
+ break;
+ case MM_UTLB_ADDR:
+ ret = cpu_sh4_read_mmaped_utlb_addr(s->cpu, addr);
+ break;
+ case MM_UTLB_DATA:
+ ret = cpu_sh4_read_mmaped_utlb_data(s->cpu, addr);
+ break;
+ default:
+ abort();
+ }
+
+ return ret;
+}
+
+static void invalid_write(void *opaque, hwaddr addr,
+ uint64_t mem_value)
+{
+ abort();
+}
+
+static void sh7750_mmct_write(void *opaque, hwaddr addr,
+ uint64_t mem_value, unsigned size)
+{
+ SH7750State *s = opaque;
+
+ if (size != 4) {
+ invalid_write(opaque, addr, mem_value);
+ }
+
+ switch (MM_REGION_TYPE(addr)) {
+ case MM_ICACHE_ADDR:
+ case MM_ICACHE_DATA:
+ /* do nothing */
+ break;
+ case MM_ITLB_ADDR:
+ cpu_sh4_write_mmaped_itlb_addr(s->cpu, addr, mem_value);
+ break;
+ case MM_ITLB_DATA:
+ cpu_sh4_write_mmaped_itlb_data(s->cpu, addr, mem_value);
+ abort();
+ break;
+ case MM_OCACHE_ADDR:
+ case MM_OCACHE_DATA:
+ /* do nothing */
+ break;
+ case MM_UTLB_ADDR:
+ cpu_sh4_write_mmaped_utlb_addr(s->cpu, addr, mem_value);
+ break;
+ case MM_UTLB_DATA:
+ cpu_sh4_write_mmaped_utlb_data(s->cpu, addr, mem_value);
+ break;
+ default:
+ abort();
+ break;
+ }
+}
+
+static const MemoryRegionOps sh7750_mmct_ops = {
+ .read = sh7750_mmct_read,
+ .write = sh7750_mmct_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+SH7750State *sh7750_init(CPUSH4State * cpu, MemoryRegion *sysmem)
{
SH7750State *s;
- int sh7750_io_memory;
- int cpu_model = SH_CPU_SH7751R; /* for now */
- s = qemu_mallocz(sizeof(SH7750State));
+ s = g_malloc0(sizeof(SH7750State));
s->cpu = cpu;
s->periph_freq = 60000000; /* 60MHz */
- sh7750_io_memory = cpu_register_io_memory(0,
- sh7750_mem_read,
- sh7750_mem_write, s);
- cpu_register_physical_memory(0x1c000000, 0x04000000, sh7750_io_memory);
+ memory_region_init_io(&s->iomem, &sh7750_mem_ops, s,
+ "memory", 0x1fc01000);
+
+ memory_region_init_alias(&s->iomem_1f0, "memory-1f0",
+ &s->iomem, 0x1f000000, 0x1000);
+ memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0);
+
+ memory_region_init_alias(&s->iomem_ff0, "memory-ff0",
+ &s->iomem, 0x1f000000, 0x1000);
+ memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0);
- sh_intc_init(&s->intc, NR_SOURCES,
+ memory_region_init_alias(&s->iomem_1f8, "memory-1f8",
+ &s->iomem, 0x1f800000, 0x1000);
+ memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8);
+
+ memory_region_init_alias(&s->iomem_ff8, "memory-ff8",
+ &s->iomem, 0x1f800000, 0x1000);
+ memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8);
+
+ memory_region_init_alias(&s->iomem_1fc, "memory-1fc",
+ &s->iomem, 0x1fc00000, 0x1000);
+ memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc);
+
+ memory_region_init_alias(&s->iomem_ffc, "memory-ffc",
+ &s->iomem, 0x1fc00000, 0x1000);
+ memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc);
+
+ memory_region_init_io(&s->mmct_iomem, &sh7750_mmct_ops, s,
+ "cache-and-tlb", 0x08000000);
+ memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem);
+
+ sh_intc_init(sysmem, &s->intc, NR_SOURCES,
_INTC_ARRAY(mask_registers),
_INTC_ARRAY(prio_registers));
- sh_intc_register_sources(&s->intc,
+ sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors),
_INTC_ARRAY(groups));
cpu->intc_handle = &s->intc;
- sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0]);
- sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
- s->periph_freq, serial_hds[1]);
-
- tmu012_init(0x1fd80000,
+ sh_serial_init(sysmem, 0x1fe00000,
+ 0, s->periph_freq, serial_hds[0],
+ s->intc.irqs[SCI1_ERI],
+ s->intc.irqs[SCI1_RXI],
+ s->intc.irqs[SCI1_TXI],
+ s->intc.irqs[SCI1_TEI],
+ NULL);
+ sh_serial_init(sysmem, 0x1fe80000,
+ SH_SERIAL_FEAT_SCIF,
+ s->periph_freq, serial_hds[1],
+ s->intc.irqs[SCIF_ERI],
+ s->intc.irqs[SCIF_RXI],
+ s->intc.irqs[SCIF_TXI],
+ NULL,
+ s->intc.irqs[SCIF_BRI]);
+
+ tmu012_init(sysmem, 0x1fd80000,
TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
s->periph_freq,
- sh_intc_source(&s->intc, TMU0),
- sh_intc_source(&s->intc, TMU1),
- sh_intc_source(&s->intc, TMU2_TUNI),
- sh_intc_source(&s->intc, TMU2_TICPI));
+ s->intc.irqs[TMU0],
+ s->intc.irqs[TMU1],
+ s->intc.irqs[TMU2_TUNI],
+ s->intc.irqs[TMU2_TICPI]);
- if (cpu_model & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
- sh_intc_register_sources(&s->intc,
+ if (cpu->id & (SH_CPU_SH7750 | SH_CPU_SH7750S | SH_CPU_SH7751)) {
+ sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_dma4),
_INTC_ARRAY(groups_dma4));
}
- if (cpu_model & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
- sh_intc_register_sources(&s->intc,
+ if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751R)) {
+ sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_dma8),
_INTC_ARRAY(groups_dma8));
}
- if (cpu_model & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
- sh_intc_register_sources(&s->intc,
+ if (cpu->id & (SH_CPU_SH7750R | SH_CPU_SH7751 | SH_CPU_SH7751R)) {
+ sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_tmu34),
NULL, 0);
- tmu012_init(0x1e100000, 0, s->periph_freq,
- sh_intc_source(&s->intc, TMU3),
- sh_intc_source(&s->intc, TMU4),
+ tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq,
+ s->intc.irqs[TMU3],
+ s->intc.irqs[TMU4],
NULL, NULL);
}
- if (cpu_model & (SH_CPU_SH7751_ALL)) {
- sh_intc_register_sources(&s->intc,
+ if (cpu->id & (SH_CPU_SH7751_ALL)) {
+ sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_pci),
_INTC_ARRAY(groups_pci));
}
- if (cpu_model & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
- sh_intc_register_sources(&s->intc,
+ if (cpu->id & (SH_CPU_SH7750S | SH_CPU_SH7750R | SH_CPU_SH7751_ALL)) {
+ sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_irlm),
NULL, 0);
}
+ sh_intc_register_sources(&s->intc,
+ _INTC_ARRAY(vectors_irl),
+ _INTC_ARRAY(groups_irl));
return s;
}
+
+qemu_irq sh7750_irl(SH7750State *s)
+{
+ sh_intc_toggle_source(sh_intc_source(&s->intc, IRL), 1, 0); /* enable */
+ return qemu_allocate_irqs(sh_intc_set_irl, sh_intc_source(&s->intc, IRL),
+ 1)[0];
+}
projects / qemu.git / blobdiff