memory: change dirty setting APIs to take a size

Instead of each target knowing or guessing the guest page size,
just pass the desired size of dirtied memory area.

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

6 files changed, 17 insertions, 37 deletions

diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 8506bb5..a031079 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -619,10 +619,7 @@ static void cirrus_invalidate_region(CirrusVGAState * s, int off_begin,
 	off_cur = off_begin;
 	off_cur_end = (off_cur + bytesperline) & s->cirrus_addr_mask;
 	off_cur &= TARGET_PAGE_MASK;
-	while (off_cur < off_cur_end) {
-	    memory_region_set_dirty(&s->vga.vram, off_cur);
-	    off_cur += TARGET_PAGE_SIZE;
-	}
+        memory_region_set_dirty(&s->vga.vram, off_cur, off_cur_end - off_cur);
 	off_begin += off_pitch;
     }
 }
@@ -1923,8 +1920,7 @@ static void cirrus_mem_writeb_mode4and5_8bpp(CirrusVGAState * s,
 	val <<= 1;
 	dst++;
     }
-    memory_region_set_dirty(&s->vga.vram, offset);
-    memory_region_set_dirty(&s->vga.vram, offset + 7);
+    memory_region_set_dirty(&s->vga.vram, offset, 8);
 }
 
 static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s,
@@ -1948,8 +1944,7 @@ static void cirrus_mem_writeb_mode4and5_16bpp(CirrusVGAState * s,
 	val <<= 1;
 	dst += 2;
     }
-    memory_region_set_dirty(&s->vga.vram, offset);
-    memory_region_set_dirty(&s->vga.vram, offset + 15);
+    memory_region_set_dirty(&s->vga.vram, offset, 16);
 }
 
 /***************************************
@@ -2039,7 +2034,8 @@ static void cirrus_vga_mem_write(void *opaque,
 		mode = s->vga.gr[0x05] & 0x7;
 		if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) {
 		    *(s->vga.vram_ptr + bank_offset) = mem_value;
-		    memory_region_set_dirty(&s->vga.vram, bank_offset);
+                    memory_region_set_dirty(&s->vga.vram, bank_offset,
+                                            sizeof(mem_value));
 		} else {
 		    if ((s->vga.gr[0x0B] & 0x14) != 0x14) {
 			cirrus_mem_writeb_mode4and5_8bpp(s, mode,
@@ -2311,7 +2307,7 @@ static void cirrus_linear_write(void *opaque, target_phys_addr_t addr,
 	mode = s->vga.gr[0x05] & 0x7;
 	if (mode < 4 || mode > 5 || ((s->vga.gr[0x0B] & 0x4) == 0)) {
 	    *(s->vga.vram_ptr + addr) = (uint8_t) val;
-	    memory_region_set_dirty(&s->vga.vram, addr);
+            memory_region_set_dirty(&s->vga.vram, addr, 1);
 	} else {
 	    if ((s->vga.gr[0x0B] & 0x14) != 0x14) {
 		cirrus_mem_writeb_mode4and5_8bpp(s, mode, addr, val);
diff --git a/hw/g364fb.c b/hw/g364fb.c
index 33ec149..02ec7b5 100644
--- a/hw/g364fb.c
+++ b/hw/g364fb.c
@@ -268,12 +268,9 @@ static void g364fb_update_display(void *opaque)
 static inline void g364fb_invalidate_display(void *opaque)
 {
     G364State *s = opaque;
-    int i;
 
     s->blanked = 0;
-    for (i = 0; i < s->vram_size; i += G364_PAGE_SIZE) {
-        memory_region_set_dirty(&s->mem_vram, i);
-    }
+    memory_region_set_dirty(&s->mem_vram, 0, s->vram_size);
 }
 
 static void g364fb_reset(G364State *s)
@@ -385,7 +382,7 @@ static void g364fb_update_depth(G364State *s)
 
 static void g364_invalidate_cursor_position(G364State *s)
 {
-    int ymin, ymax, start, end, i;
+    int ymin, ymax, start, end;
 
     /* invalidate only near the cursor */
     ymin = s->cursor_position & 0xfff;
@@ -393,9 +390,7 @@ static void g364_invalidate_cursor_position(G364State *s)
     start = ymin * ds_get_linesize(s->ds);
     end = (ymax + 1) * ds_get_linesize(s->ds);
 
-    for (i = start; i < end; i += G364_PAGE_SIZE) {
-        memory_region_set_dirty(&s->mem_vram, i);
-    }
+    memory_region_set_dirty(&s->mem_vram, start, end - start);
 }
 
 static void g364fb_ctrl_write(void *opaque,
diff --git a/hw/qxl.c b/hw/qxl.c
index bdd36f9..6442193 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -343,10 +343,7 @@ static void init_qxl_ram(PCIQXLDevice *d)
 /* can be called from spice server thread context */
 static void qxl_set_dirty(MemoryRegion *mr, ram_addr_t addr, ram_addr_t end)
 {
-    while (addr < end) {
-        memory_region_set_dirty(mr, addr);
-        addr += TARGET_PAGE_SIZE;
-    }
+    memory_region_set_dirty(mr, addr, end - addr);
 }
 
 static void qxl_rom_set_dirty(PCIQXLDevice *qxl)
diff --git a/hw/tcx.c b/hw/tcx.c
index 75a28f2..b6a2753 100644
--- a/hw/tcx.c
+++ b/hw/tcx.c
@@ -61,21 +61,13 @@ static void tcx24_screen_dump(void *opaque, const char *filename);
 
 static void tcx_set_dirty(TCXState *s)
 {
-    unsigned int i;
-
-    for (i = 0; i < MAXX * MAXY; i += TARGET_PAGE_SIZE) {
-        memory_region_set_dirty(&s->vram_mem, i);
-    }
+    memory_region_set_dirty(&s->vram_mem, 0, MAXX * MAXY);
 }
 
 static void tcx24_set_dirty(TCXState *s)
 {
-    unsigned int i;
-
-    for (i = 0; i < MAXX * MAXY * 4; i += TARGET_PAGE_SIZE) {
-        memory_region_set_dirty(&s->vram_mem, s->vram24_offset + i);
-        memory_region_set_dirty(&s->vram_mem, s->cplane_offset + i);
-    }
+    memory_region_set_dirty(&s->vram_mem, s->vram24_offset, MAXX * MAXY * 4);
+    memory_region_set_dirty(&s->vram_mem, s->cplane_offset, MAXX * MAXY * 4);
 }
 
 static void update_palette_entries(TCXState *s, int start, int end)
diff --git a/hw/vga.c b/hw/vga.c
index 950f97e..4dc2610 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -854,7 +854,7 @@ void vga_mem_writeb(VGACommonState *s, target_phys_addr_t addr, uint32_t val)
             printf("vga: chain4: [0x" TARGET_FMT_plx "]\n", addr);
 #endif
             s->plane_updated |= mask; /* only used to detect font change */
-            memory_region_set_dirty(&s->vram, addr);
+            memory_region_set_dirty(&s->vram, addr, 1);
         }
     } else if (s->gr[5] & 0x10) {
         /* odd/even mode (aka text mode mapping) */
@@ -867,7 +867,7 @@ void vga_mem_writeb(VGACommonState *s, target_phys_addr_t addr, uint32_t val)
             printf("vga: odd/even: [0x" TARGET_FMT_plx "]\n", addr);
 #endif
             s->plane_updated |= mask; /* only used to detect font change */
-            memory_region_set_dirty(&s->vram, addr);
+            memory_region_set_dirty(&s->vram, addr, 1);
         }
     } else {
         /* standard VGA latched access */
@@ -941,7 +941,7 @@ void vga_mem_writeb(VGACommonState *s, target_phys_addr_t addr, uint32_t val)
         printf("vga: latch: [0x" TARGET_FMT_plx "] mask=0x%08x val=0x%08x\n",
                addr * 4, write_mask, val);
 #endif
-        memory_region_set_dirty(&s->vram, addr << 2);
+        memory_region_set_dirty(&s->vram, addr << 2, sizeof(uint32_t));
     }
 }
 
diff --git a/hw/vhost.c b/hw/vhost.c
index 4778521..5ece659 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -55,7 +55,7 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
             ram_addr_t ram_addr;
             bit -= 1;
             ram_addr = section->offset_within_region + bit * VHOST_LOG_PAGE;
-            memory_region_set_dirty(section->mr, ram_addr);
+            memory_region_set_dirty(section->mr, ram_addr, VHOST_LOG_PAGE);
             log &= ~(0x1ull << bit);
         }
         addr += VHOST_LOG_CHUNK;