* [PATCH v2 2/2] hw/ppc/ppc440_uc: Remove dead l2sram_update_mappings()
2023-10-11 14:07 [PATCH v2 0/2] hw/ppc/ppc440_uc: Maintain and remove dead code Philippe Mathieu-Daudé
2023-10-11 14:07 ` [PATCH v2 1/2] MAINTAINERS: Cover hw/ppc/ppc440_uc.c with Sam460ex board Philippe Mathieu-Daudé
@ 2023-10-11 14:07 ` Philippe Mathieu-Daudé
2023-10-16 20:58 ` [PATCH v2 0/2] hw/ppc/ppc440_uc: Maintain and remove dead code Michael Tokarev
2 siblings, 0 replies; 4+ messages in thread
From: Philippe Mathieu-Daudé @ 2023-10-11 14:07 UTC (permalink / raw)
To: qemu-devel
Cc: Markus Armbruster, BALATON Zoltan, qemu-trivial, qemu-ppc,
Philippe Mathieu-Daudé
Apparently l2sram_update_mappings() bit-rotted over time,
when defining MAP_L2SRAM we get:
hw/ppc/ppc440_uc.c:83:17: error: no member named 'isarc' in 'struct ppc4xx_l2sram_t'
if (l2sram->isarc != isarc ||
~~~~~~ ^
hw/ppc/ppc440_uc.c:84:18: error: no member named 'isacntl' in 'struct ppc4xx_l2sram_t'
(l2sram->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
~~~~~~ ^
hw/ppc/ppc440_uc.c:85:21: error: no member named 'isacntl' in 'struct ppc4xx_l2sram_t'
if (l2sram->isacntl & 0x80000000) {
~~~~~~ ^
hw/ppc/ppc440_uc.c:88:50: error: no member named 'isarc_ram' in 'struct ppc4xx_l2sram_t'
&l2sram->isarc_ram);
~~~~~~ ^
hw/ppc/ppc440_uc.c:93:50: error: no member named 'isarc_ram' in 'struct ppc4xx_l2sram_t'
&l2sram->isarc_ram);
~~~~~~ ^
hw/ppc/ppc440_uc.c:96:17: error: no member named 'dsarc' in 'struct ppc4xx_l2sram_t'
if (l2sram->dsarc != dsarc ||
~~~~~~ ^
hw/ppc/ppc440_uc.c:97:18: error: no member named 'dsacntl' in 'struct ppc4xx_l2sram_t'
(l2sram->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
~~~~~~ ^
hw/ppc/ppc440_uc.c:98:21: error: no member named 'dsacntl' in 'struct ppc4xx_l2sram_t'
if (l2sram->dsacntl & 0x80000000) {
~~~~~~ ^
hw/ppc/ppc440_uc.c:100:52: error: no member named 'dsarc' in 'struct ppc4xx_l2sram_t'
if (!(isacntl & 0x80000000) || l2sram->dsarc != isarc) {
~~~~~~ ^
hw/ppc/ppc440_uc.c:103:54: error: no member named 'dsarc_ram' in 'struct ppc4xx_l2sram_t'
&l2sram->dsarc_ram);
~~~~~~ ^
hw/ppc/ppc440_uc.c:111:54: error: no member named 'dsarc_ram' in 'struct ppc4xx_l2sram_t'
&l2sram->dsarc_ram);
~~~~~~ ^
Remove that dead code.
Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
hw/ppc/ppc440_uc.c | 42 ------------------------------------------
1 file changed, 42 deletions(-)
diff --git a/hw/ppc/ppc440_uc.c b/hw/ppc/ppc440_uc.c
index 4181c843a8..7d6ca70387 100644
--- a/hw/ppc/ppc440_uc.c
+++ b/hw/ppc/ppc440_uc.c
@@ -73,46 +73,6 @@ typedef struct ppc4xx_l2sram_t {
uint32_t isram0[11];
} ppc4xx_l2sram_t;
-#ifdef MAP_L2SRAM
-static void l2sram_update_mappings(ppc4xx_l2sram_t *l2sram,
- uint32_t isarc, uint32_t isacntl,
- uint32_t dsarc, uint32_t dsacntl)
-{
- if (l2sram->isarc != isarc ||
- (l2sram->isacntl & 0x80000000) != (isacntl & 0x80000000)) {
- if (l2sram->isacntl & 0x80000000) {
- /* Unmap previously assigned memory region */
- memory_region_del_subregion(get_system_memory(),
- &l2sram->isarc_ram);
- }
- if (isacntl & 0x80000000) {
- /* Map new instruction memory region */
- memory_region_add_subregion(get_system_memory(), isarc,
- &l2sram->isarc_ram);
- }
- }
- if (l2sram->dsarc != dsarc ||
- (l2sram->dsacntl & 0x80000000) != (dsacntl & 0x80000000)) {
- if (l2sram->dsacntl & 0x80000000) {
- /* Beware not to unmap the region we just mapped */
- if (!(isacntl & 0x80000000) || l2sram->dsarc != isarc) {
- /* Unmap previously assigned memory region */
- memory_region_del_subregion(get_system_memory(),
- &l2sram->dsarc_ram);
- }
- }
- if (dsacntl & 0x80000000) {
- /* Beware not to remap the region we just mapped */
- if (!(isacntl & 0x80000000) || dsarc != isarc) {
- /* Map new data memory region */
- memory_region_add_subregion(get_system_memory(), dsarc,
- &l2sram->dsarc_ram);
- }
- }
- }
-}
-#endif
-
static uint32_t dcr_read_l2sram(void *opaque, int dcrn)
{
ppc4xx_l2sram_t *l2sram = opaque;
@@ -193,7 +153,6 @@ static void dcr_write_l2sram(void *opaque, int dcrn, uint32_t val)
/*l2sram->isram1[dcrn - DCR_L2CACHE_BASE] = val;*/
break;
}
- /*l2sram_update_mappings(l2sram, isarc, isacntl, dsarc, dsacntl);*/
}
static void l2sram_reset(void *opaque)
@@ -203,7 +162,6 @@ static void l2sram_reset(void *opaque)
memset(l2sram->l2cache, 0, sizeof(l2sram->l2cache));
l2sram->l2cache[DCR_L2CACHE_STAT - DCR_L2CACHE_BASE] = 0x80000000;
memset(l2sram->isram0, 0, sizeof(l2sram->isram0));
- /*l2sram_update_mappings(l2sram, isarc, isacntl, dsarc, dsacntl);*/
}
void ppc4xx_l2sram_init(CPUPPCState *env)
--
2.41.0
^ permalink raw reply related [flat|nested] 4+ messages in thread