Imported Upstream version 1.2.0upstream/1.2.0

1 files changed, 43 insertions, 0 deletions

diff --git a/hw/nvram.h b/hw/nvram.h
new file mode 100644
index 000000000..8924da47d
--- /dev/null
+++ b/hw/nvram.h
@@ -0,0 +1,43 @@
+#ifndef NVRAM_H
+#define NVRAM_H
+
+/* NVRAM helpers */
+typedef uint32_t (*nvram_read_t)(void *private, uint32_t addr);
+typedef void (*nvram_write_t)(void *private, uint32_t addr, uint32_t val);
+typedef struct nvram_t {
+    void *opaque;
+    nvram_read_t read_fn;
+    nvram_write_t write_fn;
+} nvram_t;
+
+void NVRAM_set_byte (nvram_t *nvram, uint32_t addr, uint8_t value);
+uint8_t NVRAM_get_byte (nvram_t *nvram, uint32_t addr);
+void NVRAM_set_word (nvram_t *nvram, uint32_t addr, uint16_t value);
+uint16_t NVRAM_get_word (nvram_t *nvram, uint32_t addr);
+void NVRAM_set_lword (nvram_t *nvram, uint32_t addr, uint32_t value);
+uint32_t NVRAM_get_lword (nvram_t *nvram, uint32_t addr);
+void NVRAM_set_string (nvram_t *nvram, uint32_t addr,
+                       const char *str, uint32_t max);
+int NVRAM_get_string (nvram_t *nvram, uint8_t *dst, uint16_t addr, int max);
+void NVRAM_set_crc (nvram_t *nvram, uint32_t addr,
+                    uint32_t start, uint32_t count);
+int PPC_NVRAM_set_params (nvram_t *nvram, uint16_t NVRAM_size,
+                          const char *arch,
+                          uint32_t RAM_size, int boot_device,
+                          uint32_t kernel_image, uint32_t kernel_size,
+                          const char *cmdline,
+                          uint32_t initrd_image, uint32_t initrd_size,
+                          uint32_t NVRAM_image,
+                          int width, int height, int depth);
+typedef struct M48t59State M48t59State;
+
+void m48t59_write (void *private, uint32_t addr, uint32_t val);
+uint32_t m48t59_read (void *private, uint32_t addr);
+void m48t59_toggle_lock (void *private, int lock);
+M48t59State *m48t59_init_isa(ISABus *bus, uint32_t io_base, uint16_t size,
+                             int type);
+M48t59State *m48t59_init(qemu_irq IRQ, target_phys_addr_t mem_base,
+                         uint32_t io_base, uint16_t size, int type);
+void m48t59_set_addr (void *opaque, uint32_t addr);
+
+#endif /* !NVRAM_H */