static int __init parse_tag_nvidia(const struct tag *tag)
{
const char *addr = (const char *)&tag->hdr + sizeof(struct tag_header);
const struct tag_nvidia_tegra *nvtag = (const struct tag_nvidia_tegra*)addr;
if (nvtag->bootarg_key >= ATAG_NVIDIA_PRESERVED_MEM_0 &&
nvtag->bootarg_key < (ATAG_NVIDIA_PRESERVED_MEM_0+ATAG_NVIDIA_PRESERVED_MEM_N) )
{
int Index = nvtag->bootarg_key - ATAG_NVIDIA_PRESERVED_MEM_0;
struct NVBOOTARGS_PreservedMemHandle *dst =
&NvBootArgs.MemHandleArgs[Index];
const struct NVBOOTARGS_PreservedMemHandle *src =
(const struct NVBOOTARGS_PreservedMemHandle *) nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected preserved memory handle tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Preserved memhandle: 0x%08x, address: 0x%08x, size: %d\n",
nvtag->bootarg_key, src->Address, src->Size);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
switch (nvtag->bootarg_key) {
case ATAG_NVIDIA_FRAMEBUFFER:
{
struct NVBOOTARGS_Framebuffer *dst =
&NvBootArgs.FramebufferArgs;
const struct NVBOOTARGS_Framebuffer *src =
(const struct NVBOOTARGS_Framebuffer *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected framebuffer tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Framebuffer tag with 0x%08x handle, size: %d\n",
src->MemHandleKey,src->Size);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
case ATAG_NVIDIA_WARMBOOT:
{
struct NVBOOTARGS_Warmboot *dst =
&NvBootArgs.WarmbootArgs;
const struct NVBOOTARGS_Warmboot *src =
(const struct NVBOOTARGS_Warmboot *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected Warnboot tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Found a warmboot tag with handle 0x%08x!\n", src->MemHandleKey);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
default:
pr_info("Ignoring irrelevant nvidia tag 0x%04x!\n", nvtag->bootarg_key);
break;
}
return 0;
}
static int __init parse_tag_nvidia(const struct tag *tag)
{
const char *addr = (const char *)&tag->hdr + sizeof(struct tag_header);
const struct tag_tegra *nvtag = (const struct tag_tegra*)addr;
if (nvtag->bootarg_key >= ATAG_NVIDIA_PRESERVED_MEM_0 &&
nvtag->bootarg_key < (ATAG_NVIDIA_PRESERVED_MEM_0+ATAG_NVIDIA_PRESERVED_MEM_N) )
{
int Index = nvtag->bootarg_key - ATAG_NVIDIA_PRESERVED_MEM_0;
struct NVBOOTARGS_PreservedMemHandle *dst =
&NvBootArgs.MemHandleArgs[Index];
const struct NVBOOTARGS_PreservedMemHandle *src =
(const struct NVBOOTARGS_PreservedMemHandle *) nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected preserved memory handle tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Preserved memhandle: 0x%08x, address: 0x%08x, size: %d\n",
nvtag->bootarg_key, src->Address, src->Size);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
switch (nvtag->bootarg_key) {
case ATAG_NVIDIA_CHIPSHMOO:
{
struct NVBOOTARGS_ChipShmoo *dst =
&NvBootArgs.ChipShmooArgs;
const struct NVBOOTARGS_ChipShmoo *src =
(const struct NVBOOTARGS_ChipShmoo *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected preserved memory handle tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Shmoo tag with 0x%08x handle\n", src->MemHandleKey);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
case ATAG_NVIDIA_DISPLAY:
{
struct NVBOOTARGS_Display *dst =
&NvBootArgs.DisplayArgs;
const struct NVBOOTARGS_Display *src =
(const struct NVBOOTARGS_Display *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected display tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
case ATAG_NVIDIA_FRAMEBUFFER:
{
struct NVBOOTARGS_Framebuffer *dst =
&NvBootArgs.FramebufferArgs;
const struct NVBOOTARGS_Framebuffer *src =
(const struct NVBOOTARGS_Framebuffer *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected framebuffer tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Framebuffer tag with 0x%08x handle, size: %d\n",
src->MemHandleKey,src->Size);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
case ATAG_NVIDIA_RM:
{
struct NVBOOTARGS_Rm *dst =
&NvBootArgs.RmArgs;
const struct NVBOOTARGS_Rm *src =
(const struct NVBOOTARGS_Rm *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected RM tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
case ATAG_NVIDIA_CHIPSHMOOPHYS:
{
struct NVBOOTARGS_ChipShmooPhys *dst =
&NvBootArgs.ChipShmooPhysArgs;
const struct NVBOOTARGS_ChipShmooPhys *src =
(const struct NVBOOTARGS_ChipShmooPhys *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected phys shmoo tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Phys shmoo tag with pointer 0x%x and length %u\n",
src->PhysShmooPtr, src->Size);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
case ATAG_NVIDIA_WARMBOOT:
{
struct NVBOOTARGS_Warmboot *dst =
&NvBootArgs.WarmbootArgs;
const struct NVBOOTARGS_Warmboot *src =
(const struct NVBOOTARGS_Warmboot *)nvtag->bootarg;
if (nvtag->bootarg_len != sizeof(*dst)) {
pr_err("Unexpected Warnboot tag length (expected: %d, got: %d!\n",
sizeof(*dst), nvtag->bootarg_len);
} else {
pr_debug("Found a warmboot tag with handle 0x%08x!\n", src->MemHandleKey);
memcpy(dst,src,sizeof(*dst));
}
return get_cfg_from_tags();
}
default:
return get_cfg_from_tags();
}
return get_cfg_from_tags();
}
