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authorLokesh Vutla <lokeshvutla@ti.com>2019-09-04 16:01:27 +0530
committerTom Rini <trini@konsulko.com>2019-10-11 10:07:33 -0400
commitc08eb936263c67312cb55c354277f9dc3433b194 (patch)
treecae2475d85f59f2b8ba314c553b325e5d8b4bfe8 /drivers/remoteproc
parent240b93201007183d5fd651a210ddb4c50ee30980 (diff)
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remoteproc: ops: Add elf section size as input parameter to device_to_virt api
Introduce a new parameter "size" that accepts size of the region to remoteproc ops callback device_to_virt(). This can enforce more checks on the region that device_to_virt() is dealing with. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Tested-by: Fabien Dessenne <fabien.dessenne@st.com> Reviewed-by: Fabien Dessenne <fabien.dessenne@st.com>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/rproc-elf-loader.c3
-rw-r--r--drivers/remoteproc/sandbox_testproc.c4
-rw-r--r--drivers/remoteproc/stm32_copro.c12
3 files changed, 15 insertions, 4 deletions
diff --git a/drivers/remoteproc/rproc-elf-loader.c b/drivers/remoteproc/rproc-elf-loader.c
index 67937a7..7574ba3 100644
--- a/drivers/remoteproc/rproc-elf-loader.c
+++ b/drivers/remoteproc/rproc-elf-loader.c
@@ -86,7 +86,8 @@ int rproc_elf32_load_image(struct udevice *dev, unsigned long addr)
continue;
if (ops->device_to_virt)
- dst = ops->device_to_virt(dev, (ulong)dst);
+ dst = ops->device_to_virt(dev, (ulong)dst,
+ phdr->p_memsz);
dev_dbg(dev, "Loading phdr %i to 0x%p (%i bytes)\n",
i, dst, phdr->p_filesz);
diff --git a/drivers/remoteproc/sandbox_testproc.c b/drivers/remoteproc/sandbox_testproc.c
index 5f35119..eeee49c 100644
--- a/drivers/remoteproc/sandbox_testproc.c
+++ b/drivers/remoteproc/sandbox_testproc.c
@@ -306,9 +306,11 @@ static int sandbox_testproc_ping(struct udevice *dev)
* sandbox_testproc_device_to_virt() - Convert device address to virtual address
* @dev: device to operate upon
* @da: device address
+ * @size: Size of the memory region @da is pointing to
* @return converted virtual address
*/
-static void *sandbox_testproc_device_to_virt(struct udevice *dev, ulong da)
+static void *sandbox_testproc_device_to_virt(struct udevice *dev, ulong da,
+ ulong size)
{
u64 paddr;
diff --git a/drivers/remoteproc/stm32_copro.c b/drivers/remoteproc/stm32_copro.c
index ad941f6..71895da 100644
--- a/drivers/remoteproc/stm32_copro.c
+++ b/drivers/remoteproc/stm32_copro.c
@@ -107,11 +107,13 @@ static int stm32_copro_set_hold_boot(struct udevice *dev, bool hold)
* stm32_copro_device_to_virt() - Convert device address to virtual address
* @dev: corresponding STM32 remote processor device
* @da: device address
+ * @size: Size of the memory region @da is pointing to
* @return converted virtual address
*/
-static void *stm32_copro_device_to_virt(struct udevice *dev, ulong da)
+static void *stm32_copro_device_to_virt(struct udevice *dev, ulong da,
+ ulong size)
{
- fdt32_t in_addr = cpu_to_be32(da);
+ fdt32_t in_addr = cpu_to_be32(da), end_addr;
u64 paddr;
paddr = dev_translate_dma_address(dev, &in_addr);
@@ -120,6 +122,12 @@ static void *stm32_copro_device_to_virt(struct udevice *dev, ulong da)
return NULL;
}
+ end_addr = cpu_to_be32(da + size - 1);
+ if (dev_translate_dma_address(dev, &end_addr) == OF_BAD_ADDR) {
+ dev_err(dev, "Unable to convert address %ld\n", da + size - 1);
+ return NULL;
+ }
+
return phys_to_virt(paddr);
}