diff options
Diffstat (limited to 'hw/m48t59.c')
| -rw-r--r-- | hw/m48t59.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/hw/m48t59.c b/hw/m48t59.c index 1c61401c52..e9fb0901b7 100644 --- a/hw/m48t59.c +++ b/hw/m48t59.c @@ -1,7 +1,7 @@ /* * QEMU M48T59 and M48T08 NVRAM emulation for PPC PREP and Sparc platforms * - * Copyright (c) 2003-2005 Jocelyn Mayer + * Copyright (c) 2003-2005, 2007 Jocelyn Mayer * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -575,12 +575,47 @@ static CPUReadMemoryFunc *nvram_read[] = { &nvram_readl, }; +static void m48t59_save(QEMUFile *f, void *opaque) +{ + m48t59_t *s = opaque; + + qemu_put_8s(f, &s->lock); + qemu_put_be16s(f, &s->addr); + qemu_put_buffer(f, s->buffer, s->size); +} + +static int m48t59_load(QEMUFile *f, void *opaque, int version_id) +{ + m48t59_t *s = opaque; + + if (version_id != 1) + return -EINVAL; + + qemu_get_8s(f, &s->lock); + qemu_get_be16s(f, &s->addr); + qemu_get_buffer(f, s->buffer, s->size); + + return 0; +} + +static void m48t59_reset(void *opaque) +{ + m48t59_t *NVRAM = opaque; + + if (NVRAM->alrm_timer != NULL) + qemu_del_timer(NVRAM->alrm_timer); + + if (NVRAM->wd_timer != NULL) + qemu_del_timer(NVRAM->wd_timer); +} + /* Initialisation routine */ m48t59_t *m48t59_init (qemu_irq IRQ, target_ulong mem_base, uint32_t io_base, uint16_t size, int type) { m48t59_t *s; + target_ulong save_base; s = qemu_mallocz(sizeof(m48t59_t)); if (!s) @@ -610,5 +645,9 @@ m48t59_t *m48t59_init (qemu_irq IRQ, target_ulong mem_base, } s->lock = 0; + qemu_register_reset(m48t59_reset, s); + save_base = mem_base ? mem_base : io_base; + register_savevm("m48t59", save_base, 1, m48t59_save, m48t59_load, s); + return s; } |