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authorRichard Henderson2022-09-18 13:46:21 +0200
committerRichard Henderson2022-10-26 03:11:28 +0200
commitf5e80399748c735d7bddab12f734348942992276 (patch)
treebd923b1b3065a9a10d045ebe6b91e06809141373 /accel
parentaccel/tcg: Make page_alloc_target_data allocation constant (diff)
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accel/tcg: Remove disabled debug in translate-all.c
These items printf, and could be replaced with proper tracepoints if we really cared. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r--accel/tcg/translate-all.c109
1 files changed, 0 insertions, 109 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 64a2601f9f..42385fa032 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -63,33 +63,7 @@
#include "tb-context.h"
#include "internal.h"
-/* #define DEBUG_TB_INVALIDATE */
-/* #define DEBUG_TB_FLUSH */
/* make various TB consistency checks */
-/* #define DEBUG_TB_CHECK */
-
-#ifdef DEBUG_TB_INVALIDATE
-#define DEBUG_TB_INVALIDATE_GATE 1
-#else
-#define DEBUG_TB_INVALIDATE_GATE 0
-#endif
-
-#ifdef DEBUG_TB_FLUSH
-#define DEBUG_TB_FLUSH_GATE 1
-#else
-#define DEBUG_TB_FLUSH_GATE 0
-#endif
-
-#if !defined(CONFIG_USER_ONLY)
-/* TB consistency checks only implemented for usermode emulation. */
-#undef DEBUG_TB_CHECK
-#endif
-
-#ifdef DEBUG_TB_CHECK
-#define DEBUG_TB_CHECK_GATE 1
-#else
-#define DEBUG_TB_CHECK_GATE 0
-#endif
/* Access to the various translations structures need to be serialised via locks
* for consistency.
@@ -940,15 +914,6 @@ static void page_flush_tb(void)
}
}
-static gboolean tb_host_size_iter(gpointer key, gpointer value, gpointer data)
-{
- const TranslationBlock *tb = value;
- size_t *size = data;
-
- *size += tb->tc.size;
- return false;
-}
-
/* flush all the translation blocks */
static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
{
@@ -963,15 +928,6 @@ static void do_tb_flush(CPUState *cpu, run_on_cpu_data tb_flush_count)
}
did_flush = true;
- if (DEBUG_TB_FLUSH_GATE) {
- size_t nb_tbs = tcg_nb_tbs();
- size_t host_size = 0;
-
- tcg_tb_foreach(tb_host_size_iter, &host_size);
- printf("qemu: flush code_size=%zu nb_tbs=%zu avg_tb_size=%zu\n",
- tcg_code_size(), nb_tbs, nb_tbs > 0 ? host_size / nb_tbs : 0);
- }
-
CPU_FOREACH(cpu) {
tcg_flush_jmp_cache(cpu);
}
@@ -1006,57 +962,6 @@ void tb_flush(CPUState *cpu)
}
/*
- * Formerly ifdef DEBUG_TB_CHECK. These debug functions are user-mode-only,
- * so in order to prevent bit rot we compile them unconditionally in user-mode,
- * and let the optimizer get rid of them by wrapping their user-only callers
- * with if (DEBUG_TB_CHECK_GATE).
- */
-#ifdef CONFIG_USER_ONLY
-
-static void do_tb_invalidate_check(void *p, uint32_t hash, void *userp)
-{
- TranslationBlock *tb = p;
- target_ulong addr = *(target_ulong *)userp;
-
- if (!(addr + TARGET_PAGE_SIZE <= tb_pc(tb) ||
- addr >= tb_pc(tb) + tb->size)) {
- printf("ERROR invalidate: address=" TARGET_FMT_lx
- " PC=%08lx size=%04x\n", addr, (long)tb_pc(tb), tb->size);
- }
-}
-
-/* verify that all the pages have correct rights for code
- *
- * Called with mmap_lock held.
- */
-static void tb_invalidate_check(target_ulong address)
-{
- address &= TARGET_PAGE_MASK;
- qht_iter(&tb_ctx.htable, do_tb_invalidate_check, &address);
-}
-
-static void do_tb_page_check(void *p, uint32_t hash, void *userp)
-{
- TranslationBlock *tb = p;
- int flags1, flags2;
-
- flags1 = page_get_flags(tb_pc(tb));
- flags2 = page_get_flags(tb_pc(tb) + tb->size - 1);
- if ((flags1 & PAGE_WRITE) || (flags2 & PAGE_WRITE)) {
- printf("ERROR page flags: PC=%08lx size=%04x f1=%x f2=%x\n",
- (long)tb_pc(tb), tb->size, flags1, flags2);
- }
-}
-
-/* verify that all the pages have correct rights for code */
-static void tb_page_check(void)
-{
- qht_iter(&tb_ctx.htable, do_tb_page_check, NULL);
-}
-
-#endif /* CONFIG_USER_ONLY */
-
-/*
* user-mode: call with mmap_lock held
* !user-mode: call with @pd->lock held
*/
@@ -1339,12 +1244,6 @@ tb_link_page(TranslationBlock *tb, tb_page_addr_t phys_pc,
page_unlock(p2);
}
page_unlock(p);
-
-#ifdef CONFIG_USER_ONLY
- if (DEBUG_TB_CHECK_GATE) {
- tb_page_check();
- }
-#endif
return tb;
}
@@ -2400,9 +2299,6 @@ void page_protect(tb_page_addr_t page_addr)
}
mprotect(g2h_untagged(page_addr), qemu_host_page_size,
(prot & PAGE_BITS) & ~PAGE_WRITE);
- if (DEBUG_TB_INVALIDATE_GATE) {
- printf("protecting code page: 0x" TB_PAGE_ADDR_FMT "\n", page_addr);
- }
}
}
@@ -2458,11 +2354,6 @@ int page_unprotect(target_ulong address, uintptr_t pc)
/* and since the content will be modified, we must invalidate
the corresponding translated code. */
current_tb_invalidated |= tb_invalidate_phys_page(addr, pc);
-#ifdef CONFIG_USER_ONLY
- if (DEBUG_TB_CHECK_GATE) {
- tb_invalidate_check(addr);
- }
-#endif
}
mprotect((void *)g2h_untagged(host_start), qemu_host_page_size,
prot & PAGE_BITS);