diff options
Diffstat (limited to 'hw/xtensa')
| -rw-r--r-- | hw/xtensa/xtfpga.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c index 3102f8c..792a225 100644 --- a/hw/xtensa/xtfpga.c +++ b/hw/xtensa/xtfpga.c @@ -45,6 +45,7 @@ #include "qemu/option.h" #include "bootparam.h" #include "xtensa_memory.h" +#include "hw/xtensa/mx_pic.h" typedef struct XtfpgaFlashDesc { hwaddr base; @@ -225,6 +226,7 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine) XtensaCPU *cpu = NULL; CPUXtensaState *env = NULL; MemoryRegion *system_io; + XtensaMxPic *mx_pic = NULL; qemu_irq *extints; DriveInfo *dinfo; pflash_t *flash = NULL; @@ -237,6 +239,10 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine) uint32_t freq = 10000000; int n; + if (smp_cpus > 1) { + mx_pic = xtensa_mx_pic_init(31); + qemu_register_reset(xtensa_mx_pic_reset, mx_pic); + } for (n = 0; n < smp_cpus; n++) { CPUXtensaState *cenv = NULL; @@ -247,14 +253,28 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine) freq = env->config->clock_freq_khz * 1000; } + if (mx_pic) { + MemoryRegion *mx_eri; + + mx_eri = xtensa_mx_pic_register_cpu(mx_pic, + xtensa_get_extints(cenv), + xtensa_get_runstall(cenv)); + memory_region_add_subregion(xtensa_get_er_region(cenv), + 0, mx_eri); + } cenv->sregs[PRID] = n; + xtensa_select_static_vectors(cenv, n != 0); qemu_register_reset(xtfpga_reset, cpu); /* Need MMU initialized prior to ELF loading, * so that ELF gets loaded into virtual addresses */ cpu_reset(CPU(cpu)); } - extints = xtensa_get_extints(env); + if (smp_cpus > 1) { + extints = xtensa_mx_pic_get_extints(mx_pic); + } else { + extints = xtensa_get_extints(env); + } if (env) { XtensaMemory sysram = env->config->sysram; |