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Diffstat (limited to 'hw/pflash_cfi01.c')
-rw-r--r--hw/pflash_cfi01.c67
1 files changed, 44 insertions, 23 deletions
diff --git a/hw/pflash_cfi01.c b/hw/pflash_cfi01.c
index 2144c6a3fd..90e1301c5e 100644
--- a/hw/pflash_cfi01.c
+++ b/hw/pflash_cfi01.c
@@ -40,7 +40,6 @@
#include "flash.h"
#include "block.h"
#include "qemu-timer.h"
-#include "exec-memory.h"
#define PFLASH_BUG(fmt, ...) \
do { \
@@ -75,7 +74,8 @@ struct pflash_t {
target_phys_addr_t counter;
unsigned int writeblock_size;
QEMUTimer *timer;
- MemoryRegion *mem;
+ ram_addr_t off;
+ int fl_mem;
void *storage;
};
@@ -89,7 +89,8 @@ static void pflash_timer (void *opaque)
if (pfl->bypass) {
pfl->wcycle = 2;
} else {
- memory_region_rom_device_set_readable(pfl->mem, true);
+ cpu_register_physical_memory(pfl->base, pfl->total_len,
+ pfl->off | IO_MEM_ROMD | pfl->fl_mem);
pfl->wcycle = 0;
}
pfl->cmd = 0;
@@ -262,7 +263,7 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset,
if (!pfl->wcycle) {
/* Set the device in I/O access mode */
- memory_region_rom_device_set_readable(pfl->mem, false);
+ cpu_register_physical_memory(pfl->base, pfl->total_len, pfl->fl_mem);
}
switch (pfl->wcycle) {
@@ -421,7 +422,8 @@ static void pflash_write(pflash_t *pfl, target_phys_addr_t offset,
__func__, offset, pfl->wcycle, pfl->cmd, value);
reset_flash:
- memory_region_rom_device_set_readable(pfl->mem, true);
+ cpu_register_physical_memory(pfl->base, pfl->total_len,
+ pfl->off | IO_MEM_ROMD | pfl->fl_mem);
pfl->bypass = 0;
pfl->wcycle = 0;
@@ -512,20 +514,28 @@ static void pflash_writel_le(void *opaque, target_phys_addr_t addr,
pflash_write(pfl, addr, value, 4, 0);
}
-const MemoryRegionOps pflash_cfi01_ops_be = {
- .old_mmio = {
- .read = { pflash_readb_be, pflash_readw_be, pflash_readl_be, },
- .write = { pflash_writeb_be, pflash_writew_be, pflash_writel_be, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
+static CPUWriteMemoryFunc * const pflash_write_ops_be[] = {
+ &pflash_writeb_be,
+ &pflash_writew_be,
+ &pflash_writel_be,
};
-const MemoryRegionOps pflash_cfi01_ops_le = {
- .old_mmio = {
- .read = { pflash_readb_le, pflash_readw_le, pflash_readl_le, },
- .write = { pflash_writeb_le, pflash_writew_le, pflash_writel_le, },
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
+static CPUReadMemoryFunc * const pflash_read_ops_be[] = {
+ &pflash_readb_be,
+ &pflash_readw_be,
+ &pflash_readl_be,
+};
+
+static CPUWriteMemoryFunc * const pflash_write_ops_le[] = {
+ &pflash_writeb_le,
+ &pflash_writew_le,
+ &pflash_writel_le,
+};
+
+static CPUReadMemoryFunc * const pflash_read_ops_le[] = {
+ &pflash_readb_le,
+ &pflash_readw_le,
+ &pflash_readl_le,
};
/* Count trailing zeroes of a 32 bits quantity */
@@ -564,11 +574,12 @@ static int ctz32 (uint32_t n)
return ret;
}
-pflash_t *pflash_cfi01_register(target_phys_addr_t base, MemoryRegion *mem,
+pflash_t *pflash_cfi01_register(target_phys_addr_t base, ram_addr_t off,
BlockDriverState *bs, uint32_t sector_len,
int nb_blocs, int width,
uint16_t id0, uint16_t id1,
- uint16_t id2, uint16_t id3)
+ uint16_t id2, uint16_t id3,
+ int be)
{
pflash_t *pfl;
target_phys_addr_t total_len;
@@ -586,16 +597,26 @@ pflash_t *pflash_cfi01_register(target_phys_addr_t base, MemoryRegion *mem,
pfl = g_malloc0(sizeof(pflash_t));
/* FIXME: Allocate ram ourselves. */
- pfl->storage = memory_region_get_ram_ptr(mem);
- pfl->mem = mem;
- memory_region_add_subregion(get_system_memory(), base, mem);
+ pfl->storage = qemu_get_ram_ptr(off);
+ if (be) {
+ pfl->fl_mem = cpu_register_io_memory(pflash_read_ops_be,
+ pflash_write_ops_be, pfl,
+ DEVICE_NATIVE_ENDIAN);
+ } else {
+ pfl->fl_mem = cpu_register_io_memory(pflash_read_ops_le,
+ pflash_write_ops_le, pfl,
+ DEVICE_NATIVE_ENDIAN);
+ }
+ pfl->off = off;
+ cpu_register_physical_memory(base, total_len,
+ off | pfl->fl_mem | IO_MEM_ROMD);
pfl->bs = bs;
if (pfl->bs) {
/* read the initial flash content */
ret = bdrv_read(pfl->bs, 0, pfl->storage, total_len >> 9);
if (ret < 0) {
- memory_region_del_subregion(get_system_memory(), mem);
+ cpu_unregister_io_memory(pfl->fl_mem);
g_free(pfl);
return NULL;
}