205747594b
It's enabled by adding -s to mcreboot.sh. Cherry-pick of the following commit: commit b5c13ce51a5a4926c2cf11c817cd0d369ac4402d Author: Katsuya Horigome <katsuya.horigome.rj@ps.hitachi-solutions.com> Date: Mon Nov 20 09:40:41 2017 +0900 Include measures to prevent memory destruction on Linux side (This is rebase commit for merging to development+hfi)
51 lines
1.6 KiB
Diff
51 lines
1.6 KiB
Diff
diff --git arch/x86/kernel/include/syscall_list.h arch/x86/kernel/include/syscall_list.h
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index 42d1e2e..f5769b8 100644
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--- arch/x86/kernel/include/syscall_list.h
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+++ arch/x86/kernel/include/syscall_list.h
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@@ -156,5 +156,7 @@ SYSCALL_HANDLED(__NR_profile, profile)
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SYSCALL_HANDLED(730, util_migrate_inter_kernel)
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SYSCALL_HANDLED(731, util_indicate_clone)
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SYSCALL_HANDLED(732, get_system)
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+/* McKernel Specific */
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+SYSCALL_HANDLED(950, mem_destroy)
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/**** End of File ****/
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diff --git arch/x86/kernel/syscall.c arch/x86/kernel/syscall.c
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index 2260b66..e96776a 100644
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--- arch/x86/kernel/syscall.c
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+++ arch/x86/kernel/syscall.c
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@@ -1887,4 +1887,33 @@ save_uctx(void *uctx, struct x86_user_context *regs)
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ctx->fregsize = 0;
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}
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+
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+#define ADD_ADDR_VAL 0x400
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+SYSCALL_DECLARE(mem_destroy)
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+{
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+ int rst = 0;
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+ int mem_chunks_num, chunk_id, get_numa_id;
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+ unsigned long get_start, get_end;
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+ unsigned long *addr;
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+
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+ mem_chunks_num = ihk_mc_get_nr_memory_chunks();
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+ kprintf("%s: memory chunk %d.\n", __FUNCTION__, mem_chunks_num);
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+
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+ for (chunk_id = 0; chunk_id < mem_chunks_num; chunk_id++) {
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+ rst = ihk_mc_get_memory_chunk(chunk_id, &get_start, &get_end, &get_numa_id);
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+ kprintf("%s: mem chunk[%d] numa ID(%d)\n"
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+ ,__FUNCTION__ ,chunk_id ,get_numa_id);
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+ kprintf(" phys(0x%lx - 0x%lx) virt(0x%lx - 0x%lx)\n"
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+ ,get_start ,get_end ,phys_to_virt(get_start) ,phys_to_virt(get_end));
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+ }
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+
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+ addr = phys_to_virt(get_end + ADD_ADDR_VAL);
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+#if 1
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+ *addr = 0x1;
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+#endif
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+ kprintf("%s: Address out of range 0x%lx(val:%d)\n",__FUNCTION__ ,addr ,*addr);
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+
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+ return rst;
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+}
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+
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/*** End of File ***/
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