cfe/main/nvram_subr.c

56 static int nvram_handle = -1;
79     if (nvram_handle == -1) return -1;
81     cfe_ioctl(nvram_handle,IOCTL_NVRAM_UNLOCK,NULL,0,NULL,0);
83     if (cfe_ioctl(nvram_handle,IOCTL_NVRAM_GETINFO,
110     if (nvram_handle != -1) {
118     nvram_handle = cfe_open(nvram_devname);
120     if (nvram_handle < 0) {
146     if (nvram_handle != -1) {
147 	cfe_close(nvram_handle);
148 	nvram_handle = -1;
171     if (nvram_handle < 0) return 0;
191     if (nvram_handle == -1) return -1;
193     return cfe_readblk(nvram_handle,
214     if (nvram_handle == -1) return -1;
216     return cfe_writeblk(nvram_handle,
241     if (nvram_handle < 0) {
247     if (cfe_ioctl(nvram_handle,IOCTL_NVRAM_ERASE,