microblaze: remove dead assignments, spotted by clang analyzer

Value stored is never read.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/hw/petalogix_s3adsp1800_mmu.c b/hw/petalogix_s3adsp1800_mmu.c
index 9b7af55..93344b1 100644 (file)
--- a/hw/petalogix_s3adsp1800_mmu.c
+++ b/hw/petalogix_s3adsp1800_mmu.c
@@ -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.  */

diff --git a/target-microblaze/mmu.c b/target-microblaze/mmu.c
index d868ac5..b38f7d9 100644 (file)
--- a/target-microblaze/mmu.c
+++ b/target-microblaze/mmu.c
@@ -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);
         }