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microblaze: remove dead assignments, spotted by clang analyzer 

Value stored is never read.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-04-25 20:00:33 +00:00
parent 37ca43a141
commit 183aa45407
2 changed files with 2 additions and 8 deletions
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3
hw/petalogix_s3adsp1800_mmu.c
View File

@ -164,7 +164,6 @@ petalogix_s3adsp1800_init(ram_addr_t ram_size,
if (kernel_filename) {
uint64_t entry, low, high;
int kcmdline_len;
uint32_t base32;
/* Boots a kernel elf binary. */
@ -187,7 +186,7 @@ petalogix_s3adsp1800_init(ram_addr_t ram_size,
}
boot_info.cmdline = ddr_base + kernel_size + 8192;
if (kernel_cmdline && (kcmdline_len = strlen(kernel_cmdline))) {
if (kernel_cmdline && strlen(kernel_cmdline)) {
pstrcpy_targphys("cmdline", boot_info.cmdline, 256, kernel_cmdline);
}
/* Provide a device-tree. */

7
target-microblaze/mmu.c
View File

@ -60,8 +60,7 @@ static void mmu_change_pid(CPUState *env, unsigned int newpid)
{
struct microblaze_mmu *mmu = &env->mmu;
unsigned int i;
unsigned int tlb_size;
uint32_t tlb_tag, mask, t;
uint32_t t;
if (newpid & ~0xff)
qemu_log("Illegal rpid=%x\n", newpid);
@ -70,10 +69,6 @@ static void mmu_change_pid(CPUState *env, unsigned int newpid)
/* Lookup and decode. */
t = mmu->rams[RAM_TAG][i];
if (t & TLB_VALID) {
tlb_size = tlb_decode_size((t & TLB_PAGESZ_MASK) >> 7);
mask = ~(tlb_size - 1);
tlb_tag = t & TLB_EPN_MASK;
if (mmu->tids[i] && ((mmu->regs[MMU_R_PID] & 0xff) == mmu->tids[i]))
mmu_flush_idx(env, i);
}