//#define DEBUG_UNASSIGNED
#define DEBUG_UIC
+
+#ifdef DEBUG_UIC
+# define LOG_UIC(...) qemu_log_mask(CPU_LOG_INT, ## __VA_ARGS__)
+#else
+# define LOG_UIC(...) do { } while (0)
+#endif
+
/*****************************************************************************/
/* Generic PowerPC 4xx processor instanciation */
CPUState *ppc4xx_init (const char *cpu_model,
tb_clk->opaque = env;
ppc_dcr_init(env, NULL, NULL);
/* Register qemu callbacks */
- qemu_register_reset(&cpu_ppc_reset, env);
+ qemu_register_reset(&cpu_ppc_reset, 0, env);
return env;
}
int mmio_memory;
mmio = qemu_mallocz(sizeof(ppc4xx_mmio_t));
- if (mmio != NULL) {
- mmio->base = base;
- mmio_memory = cpu_register_io_memory(0, mmio_read, mmio_write, mmio);
+ mmio->base = base;
+ mmio_memory = cpu_register_io_memory(0, mmio_read, mmio_write, mmio);
#if defined(DEBUG_MMIO)
- printf("%s: base " PADDRX " len %08x %d\n", __func__,
- base, TARGET_PAGE_SIZE, mmio_memory);
+ printf("%s: base " PADDRX " len %08x %d\n", __func__,
+ base, TARGET_PAGE_SIZE, mmio_memory);
#endif
- cpu_register_physical_memory(base, TARGET_PAGE_SIZE, mmio_memory);
- ppc4xx_mmio_register(env, mmio, 0, TARGET_PAGE_SIZE,
- unassigned_mmio_read, unassigned_mmio_write,
- mmio);
- }
+ cpu_register_physical_memory(base, TARGET_PAGE_SIZE, mmio_memory);
+ ppc4xx_mmio_register(env, mmio, 0, TARGET_PAGE_SIZE,
+ unassigned_mmio_read, unassigned_mmio_write,
+ mmio);
return mmio;
}
/* Trigger interrupt if any is pending */
ir = uic->uicsr & uic->uicer & (~uic->uiccr);
cr = uic->uicsr & uic->uicer & uic->uiccr;
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "%s: uicsr %08" PRIx32 " uicer %08" PRIx32
+ LOG_UIC("%s: uicsr %08" PRIx32 " uicer %08" PRIx32
" uiccr %08" PRIx32 "\n"
" %08" PRIx32 " ir %08" PRIx32 " cr %08" PRIx32 "\n",
__func__, uic->uicsr, uic->uicer, uic->uiccr,
uic->uicsr & uic->uicer, ir, cr);
- }
-#endif
if (ir != 0x0000000) {
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "Raise UIC interrupt\n");
- }
-#endif
+ LOG_UIC("Raise UIC interrupt\n");
qemu_irq_raise(uic->irqs[PPCUIC_OUTPUT_INT]);
} else {
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "Lower UIC interrupt\n");
- }
-#endif
+ LOG_UIC("Lower UIC interrupt\n");
qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_INT]);
}
/* Trigger critical interrupt if any is pending and update vector */
}
}
}
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "Raise UIC critical interrupt - "
+ LOG_UIC("Raise UIC critical interrupt - "
"vector %08" PRIx32 "\n", uic->uicvr);
- }
-#endif
} else {
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "Lower UIC critical interrupt\n");
- }
-#endif
+ LOG_UIC("Lower UIC critical interrupt\n");
qemu_irq_lower(uic->irqs[PPCUIC_OUTPUT_CINT]);
uic->uicvr = 0x00000000;
}
uic = opaque;
mask = 1 << (31-irq_num);
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "%s: irq %d level %d uicsr %08" PRIx32
+ LOG_UIC("%s: irq %d level %d uicsr %08" PRIx32
" mask %08" PRIx32 " => %08" PRIx32 " %08" PRIx32 "\n",
__func__, irq_num, level,
uic->uicsr, mask, uic->uicsr & mask, level << irq_num);
- }
-#endif
if (irq_num < 0 || irq_num > 31)
return;
sr = uic->uicsr;
uic->level &= ~mask;
}
}
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "%s: irq %d level %d sr %" PRIx32 " => "
+ LOG_UIC("%s: irq %d level %d sr %" PRIx32 " => "
"%08" PRIx32 "\n", __func__, irq_num, level, uic->uicsr, sr);
- }
-#endif
if (sr != uic->uicsr)
ppcuic_trigger_irq(uic);
}
uic = opaque;
dcrn -= uic->dcr_base;
-#ifdef DEBUG_UIC
- if (loglevel & CPU_LOG_INT) {
- fprintf(logfile, "%s: dcr %d val " ADDRX "\n", __func__, dcrn, val);
- }
-#endif
+ LOG_UIC("%s: dcr %d val " ADDRX "\n", __func__, dcrn, val);
switch (dcrn) {
case DCR_UICSR:
uic->uicsr &= ~val;
int i;
uic = qemu_mallocz(sizeof(ppcuic_t));
- if (uic != NULL) {
- uic->dcr_base = dcr_base;
- uic->irqs = irqs;
- if (has_vr)
- uic->use_vectors = 1;
- for (i = 0; i < DCR_UICMAX; i++) {
- ppc_dcr_register(env, dcr_base + i, uic,
- &dcr_read_uic, &dcr_write_uic);
- }
- qemu_register_reset(ppcuic_reset, uic);
- ppcuic_reset(uic);
+ uic->dcr_base = dcr_base;
+ uic->irqs = irqs;
+ if (has_vr)
+ uic->use_vectors = 1;
+ for (i = 0; i < DCR_UICMAX; i++) {
+ ppc_dcr_register(env, dcr_base + i, uic,
+ &dcr_read_uic, &dcr_write_uic);
}
+ qemu_register_reset(ppcuic_reset, 0, uic);
+ ppcuic_reset(uic);
return qemu_allocate_irqs(&ppcuic_set_irq, uic, UIC_MAX_IRQ);
}
sdram_unmap_bcr(sdram);
}
-void ppc405_sdram_init (CPUState *env, qemu_irq irq, int nbanks,
+void ppc4xx_sdram_init (CPUState *env, qemu_irq irq, int nbanks,
target_phys_addr_t *ram_bases,
target_phys_addr_t *ram_sizes,
int do_init)
ppc4xx_sdram_t *sdram;
sdram = qemu_mallocz(sizeof(ppc4xx_sdram_t));
- if (sdram != NULL) {
- sdram->irq = irq;
- sdram->nbanks = nbanks;
- memset(sdram->ram_bases, 0, 4 * sizeof(target_phys_addr_t));
- memcpy(sdram->ram_bases, ram_bases,
- nbanks * sizeof(target_phys_addr_t));
- memset(sdram->ram_sizes, 0, 4 * sizeof(target_phys_addr_t));
- memcpy(sdram->ram_sizes, ram_sizes,
- nbanks * sizeof(target_phys_addr_t));
- sdram_reset(sdram);
- qemu_register_reset(&sdram_reset, sdram);
- ppc_dcr_register(env, SDRAM0_CFGADDR,
- sdram, &dcr_read_sdram, &dcr_write_sdram);
- ppc_dcr_register(env, SDRAM0_CFGDATA,
- sdram, &dcr_read_sdram, &dcr_write_sdram);
- if (do_init)
- sdram_map_bcr(sdram);
+ sdram->irq = irq;
+ sdram->nbanks = nbanks;
+ memset(sdram->ram_bases, 0, 4 * sizeof(target_phys_addr_t));
+ memcpy(sdram->ram_bases, ram_bases,
+ nbanks * sizeof(target_phys_addr_t));
+ memset(sdram->ram_sizes, 0, 4 * sizeof(target_phys_addr_t));
+ memcpy(sdram->ram_sizes, ram_sizes,
+ nbanks * sizeof(target_phys_addr_t));
+ sdram_reset(sdram);
+ qemu_register_reset(&sdram_reset, 0, sdram);
+ ppc_dcr_register(env, SDRAM0_CFGADDR,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ ppc_dcr_register(env, SDRAM0_CFGDATA,
+ sdram, &dcr_read_sdram, &dcr_write_sdram);
+ if (do_init)
+ sdram_map_bcr(sdram);
+}
+
+/* Fill in consecutive SDRAM banks with 'ram_size' bytes of memory.
+ *
+ * sdram_bank_sizes[] must be 0-terminated.
+ *
+ * The 4xx SDRAM controller supports a small number of banks, and each bank
+ * must be one of a small set of sizes. The number of banks and the supported
+ * sizes varies by SoC. */
+ram_addr_t ppc4xx_sdram_adjust(ram_addr_t ram_size, int nr_banks,
+ target_phys_addr_t ram_bases[],
+ target_phys_addr_t ram_sizes[],
+ const unsigned int sdram_bank_sizes[])
+{
+ ram_addr_t size_left = ram_size;
+ int i;
+ int j;
+
+ for (i = 0; i < nr_banks; i++) {
+ for (j = 0; sdram_bank_sizes[j] != 0; j++) {
+ unsigned int bank_size = sdram_bank_sizes[j];
+
+ if (bank_size <= size_left) {
+ ram_bases[i] = qemu_ram_alloc(bank_size);
+ ram_sizes[i] = bank_size;
+ size_left -= bank_size;
+ break;
+ }
+ }
+
+ if (!size_left) {
+ /* No need to use the remaining banks. */
+ break;
+ }
}
+
+ ram_size -= size_left;
+ if (ram_size)
+ printf("Truncating memory to %d MiB to fit SDRAM controller limits.\n",
+ (int)(ram_size >> 20));
+
+ return ram_size;
}
projects / qemu / blobdiff