diff options
author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-12 20:54:52 +0000 |
---|---|---|
committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-04-12 20:54:52 +0000 |
commit | c5df018e56855cd6ede7ab7b07fb69703d581383 (patch) | |
tree | 6d005a52d70ea5acc404652e515685cbf2be20c5 /hw/m48t59.c | |
parent | a541f297a37e64673aac52abc858e0904e316b48 (diff) | |
download | qemu-c5df018e56855cd6ede7ab7b07fb69703d581383.zip qemu-c5df018e56855cd6ede7ab7b07fb69703d581383.tar.gz qemu-c5df018e56855cd6ede7ab7b07fb69703d581383.tar.bz2 |
ppc: suppressed unneeded globals and headers - added explicit type for ppc nvram
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@723 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw/m48t59.c')
-rw-r--r-- | hw/m48t59.c | 63 |
1 files changed, 24 insertions, 39 deletions
diff --git a/hw/m48t59.c b/hw/m48t59.c index fbee94f..dd303d2 100644 --- a/hw/m48t59.c +++ b/hw/m48t59.c @@ -21,14 +21,8 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ - -#include <stdlib.h> -#include <stdio.h> /* needed by vl.h */ -#include <stdint.h> -#include <string.h> -#include <time.h> - #include "vl.h" +#include "m48t59.h" //#define NVRAM_DEBUG @@ -38,7 +32,7 @@ #define NVRAM_PRINTF(fmt, args...) do { } while (0) #endif -typedef struct m48t59_t { +struct m48t59_t { /* Hardware parameters */ int IRQ; uint32_t io_base; @@ -53,10 +47,7 @@ typedef struct m48t59_t { /* NVRAM storage */ uint16_t addr; uint8_t *buffer; -} m48t59_t; - -static m48t59_t *NVRAMs; -static int nb_NVRAMs; +}; /* Fake timer functions */ /* Generic helpers for BCD */ @@ -185,9 +176,8 @@ static void set_up_watchdog (m48t59_t *NVRAM, uint8_t value) } /* Direct access to NVRAM */ -void m48t59_write (void *opaque, uint32_t val) +void m48t59_write (m48t59_t *NVRAM, uint32_t val) { - m48t59_t *NVRAM = opaque; struct tm tm; int tmp; @@ -333,9 +323,8 @@ void m48t59_write (void *opaque, uint32_t val) } } -uint32_t m48t59_read (void *opaque) +uint32_t m48t59_read (m48t59_t *NVRAM) { - m48t59_t *NVRAM = opaque; struct tm tm; uint32_t retval = 0xFF; @@ -418,10 +407,8 @@ uint32_t m48t59_read (void *opaque) return retval; } -void m48t59_set_addr (void *opaque, uint32_t addr) +void m48t59_set_addr (m48t59_t *NVRAM, uint32_t addr) { - m48t59_t *NVRAM = opaque; - NVRAM->addr = addr; } @@ -460,27 +447,25 @@ static uint32_t NVRAM_readb (void *opaque, uint32_t addr) } /* Initialisation routine */ -void *m48t59_init (int IRQ, uint32_t io_base, uint16_t size) +m48t59_t *m48t59_init (int IRQ, uint32_t io_base, uint16_t size) { - m48t59_t *tmp; + m48t59_t *s; - tmp = realloc(NVRAMs, (nb_NVRAMs + 1) * sizeof(m48t59_t)); - if (tmp == NULL) + s = qemu_mallocz(sizeof(m48t59_t)); + if (!s) return NULL; - NVRAMs = tmp; - tmp[nb_NVRAMs].buffer = malloc(size); - if (tmp[nb_NVRAMs].buffer == NULL) - return NULL; - memset(tmp[nb_NVRAMs].buffer, 0, size); - tmp[nb_NVRAMs].IRQ = IRQ; - tmp[nb_NVRAMs].size = size; - tmp[nb_NVRAMs].io_base = io_base; - tmp[nb_NVRAMs].addr = 0; - register_ioport_read(io_base, 0x04, 1, NVRAM_readb, &NVRAMs[nb_NVRAMs]); - register_ioport_write(io_base, 0x04, 1, NVRAM_writeb, &NVRAMs[nb_NVRAMs]); - tmp[nb_NVRAMs].alrm_timer = qemu_new_timer(vm_clock, &alarm_cb, - &tmp[nb_NVRAMs]); - tmp[nb_NVRAMs].wd_timer = qemu_new_timer(vm_clock, &watchdog_cb, - &tmp[nb_NVRAMs]); - return &NVRAMs[nb_NVRAMs++]; + s->buffer = qemu_mallocz(size); + if (!s->buffer) { + qemu_free(s); + return NULL; + } + s->IRQ = IRQ; + s->size = size; + s->io_base = io_base; + s->addr = 0; + register_ioport_read(io_base, 0x04, 1, NVRAM_readb, s); + register_ioport_write(io_base, 0x04, 1, NVRAM_writeb, s); + s->alrm_timer = qemu_new_timer(vm_clock, &alarm_cb, s); + s->wd_timer = qemu_new_timer(vm_clock, &watchdog_cb, s); + return s; } |