Arm display emulation.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1746 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook
parent
a41b2ff2dd
commit
bdd5003ae5
@ -339,7 +339,7 @@ VL_OBJS+= slavio_timer.o slavio_serial.o slavio_misc.o fdc.o esp.o
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endif
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endif
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ifeq ($(TARGET_BASE_ARCH), arm)
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VL_OBJS+= integratorcp.o ps2.o smc91c111.o
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VL_OBJS+= integratorcp.o ps2.o smc91c111.o pl110.o
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endif
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ifdef CONFIG_GDBSTUB
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VL_OBJS+=gdbstub.o
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@ -439,6 +439,7 @@ endif
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ifeq ($(TARGET_ARCH), arm)
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op.o: op.c op_template.h
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pl110.o: pl110_template.h
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endif
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ifeq ($(TARGET_BASE_ARCH), sparc)
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@ -27,8 +27,11 @@ void irq_info(void)
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{
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}
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static void *lcd;
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void vga_update_display(void)
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{
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pl110_update_display(lcd);
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}
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void vga_screen_dump(const char *filename)
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@ -37,6 +40,7 @@ void vga_screen_dump(const char *filename)
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void vga_invalidate_display(void)
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{
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pl110_invalidate_display(lcd);
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}
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void DMA_run (void)
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@ -1204,6 +1208,7 @@ static void integratorcp_init(int ram_size, int vga_ram_size, int boot_device,
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exit (1);
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}
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}
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lcd = pl110_init(ds, 0xc0000000, pic, 22);
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/* Load the kernel. */
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if (!kernel_filename) {
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393
hw/pl110.c
Normal file
393
hw/pl110.c
Normal file
@ -0,0 +1,393 @@
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/*
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* Arm PrimeCell PL110 Color LCD Controller
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*
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* Copyright (c) 2005 CodeSourcery, LLC.
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* Written by Paul Brook
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*
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* This code is licenced under the GNU LGPL
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*/
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#include "vl.h"
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#define PL110_CR_EN 0x001
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#define PL110_CR_BEBO 0x200
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#define PL110_CR_BEPO 0x400
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#define PL110_CR_PWR 0x800
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enum pl110_bppmode
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{
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BPP_1,
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BPP_2,
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BPP_4,
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BPP_8,
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BPP_16,
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BPP_32
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};
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typedef struct {
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uint32_t base;
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DisplayState *ds;
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void *pic;
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uint32_t timing[4];
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uint32_t cr;
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uint32_t upbase;
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uint32_t lpbase;
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uint32_t int_status;
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uint32_t int_mask;
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int cols;
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int rows;
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enum pl110_bppmode bpp;
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int invalidate;
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uint32_t pallette[256];
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uint32_t raw_pallette[128];
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int irq;
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} pl110_state;
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static const unsigned char pl110_id[] =
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{ 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
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static inline uint32_t rgb_to_pixel8(unsigned int r, unsigned int g, unsigned b)
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{
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return ((r >> 5) << 5) | ((g >> 5) << 2) | (b >> 6);
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}
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static inline uint32_t rgb_to_pixel15(unsigned int r, unsigned int g, unsigned b)
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{
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return ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);
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}
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static inline uint32_t rgb_to_pixel16(unsigned int r, unsigned int g, unsigned b)
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{
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return ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);
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}
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static inline uint32_t rgb_to_pixel24(unsigned int r, unsigned int g, unsigned b)
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{
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return (r << 16) | (g << 8) | b;
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}
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static inline uint32_t rgb_to_pixel32(unsigned int r, unsigned int g, unsigned b)
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{
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return (r << 16) | (g << 8) | b;
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}
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typedef void (*drawfn)(uint32_t *, uint8_t *, const uint8_t *, int);
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#define BITS 8
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#include "pl110_template.h"
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#define BITS 15
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#include "pl110_template.h"
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#define BITS 16
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#include "pl110_template.h"
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#define BITS 24
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#include "pl110_template.h"
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#define BITS 32
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#include "pl110_template.h"
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static int pl110_enabled(pl110_state *s)
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{
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return (s->cr & PL110_CR_EN) && (s->cr & PL110_CR_PWR);
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}
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void pl110_update_display(void *opaque)
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{
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pl110_state *s = (pl110_state *)opaque;
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drawfn* fntable;
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drawfn fn;
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uint32_t *pallette;
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uint32_t addr;
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uint32_t base;
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int dest_width;
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int src_width;
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uint8_t *dest;
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uint8_t *src;
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int first, last;
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int dirty, new_dirty;
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int i;
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if (!pl110_enabled(s))
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return;
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switch (s->ds->depth) {
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case 8:
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fntable = pl110_draw_fn_8;
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dest_width = 1;
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break;
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case 15:
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fntable = pl110_draw_fn_15;
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dest_width = 2;
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break;
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case 16:
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fntable = pl110_draw_fn_16;
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dest_width = 2;
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break;
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case 24:
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fntable = pl110_draw_fn_24;
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dest_width = 3;
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break;
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case 32:
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fntable = pl110_draw_fn_32;
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dest_width = 4;
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break;
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default:
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fprintf(stderr, "qemu: Bad color depth\n");
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exit(1);
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}
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if (s->cr & PL110_CR_BEBO)
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fn = fntable[s->bpp + 6];
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else if (s->cr & PL110_CR_BEPO)
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fn = fntable[s->bpp + 12];
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else
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fn = fntable[s->bpp];
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src_width = s->cols;
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switch (s->bpp) {
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case BPP_1:
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src_width >>= 3;
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break;
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case BPP_2:
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src_width >>= 2;
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break;
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case BPP_4:
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src_width >>= 1;
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break;
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case BPP_8:
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break;
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case BPP_16:
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src_width <<= 1;
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break;
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case BPP_32:
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src_width <<= 2;
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break;
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}
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dest_width *= s->cols;
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pallette = s->pallette;
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base = s->upbase;
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/* HACK: Arm aliases physical memory at 0x80000000. */
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if (base > 0x80000000)
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base -= 0x80000000;
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src = phys_ram_base + base;
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dest = s->ds->data;
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first = -1;
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addr = base;
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dirty = cpu_physical_memory_get_dirty(addr, VGA_DIRTY_FLAG);
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for (i = 0; i < s->rows; i++) {
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new_dirty = 0;
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if ((addr & TARGET_PAGE_MASK) + src_width >= TARGET_PAGE_SIZE) {
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uint32_t tmp;
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for (tmp = 0; tmp < src_width; tmp += TARGET_PAGE_SIZE) {
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new_dirty |= cpu_physical_memory_get_dirty(addr + tmp,
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VGA_DIRTY_FLAG);
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}
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}
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if (dirty || new_dirty || s->invalidate) {
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fn(pallette, dest, src, s->cols);
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if (first == -1)
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first = i;
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last = i;
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}
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dirty = new_dirty;
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addr += src_width;
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dest += dest_width;
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src += src_width;
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}
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if (first < 0)
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return;
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s->invalidate = 0;
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cpu_physical_memory_reset_dirty(base + first * src_width,
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base + (last + 1) * src_width,
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VGA_DIRTY_FLAG);
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dpy_update(s->ds, 0, first, s->cols, last - first + 1);
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}
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void pl110_invalidate_display(void * opaque)
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{
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pl110_state *s = (pl110_state *)opaque;
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s->invalidate = 1;
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}
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static void pl110_update_pallette(pl110_state *s, int n)
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{
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int i;
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uint32_t raw;
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unsigned int r, g, b;
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raw = s->raw_pallette[n];
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n <<= 1;
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for (i = 0; i < 2; i++) {
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r = (raw & 0x1f) << 3;
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raw >>= 5;
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g = (raw & 0x1f) << 3;
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raw >>= 5;
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b = (raw & 0x1f) << 3;
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/* The I bit is ignored. */
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raw >>= 6;
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switch (s->ds->depth) {
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case 8:
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s->pallette[n] = rgb_to_pixel8(r, g, b);
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break;
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case 15:
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s->pallette[n] = rgb_to_pixel15(r, g, b);
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break;
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case 16:
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s->pallette[n] = rgb_to_pixel16(r, g, b);
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break;
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case 24:
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case 32:
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s->pallette[n] = rgb_to_pixel32(r, g, b);
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break;
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}
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n++;
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}
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}
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static void pl110_resize(pl110_state *s, int width, int height)
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{
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if (width != s->cols || height != s->rows) {
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if (pl110_enabled(s)) {
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dpy_resize(s->ds, s->cols, s->rows);
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}
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}
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s->cols = width;
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s->rows = height;
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}
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/* Update interrupts. */
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static void pl110_update(pl110_state *s)
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{
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/* TODO: Implement interrupts. */
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}
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static uint32_t pl110_read(void *opaque, target_phys_addr_t offset)
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{
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pl110_state *s = (pl110_state *)opaque;
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offset -= s->base;
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if (offset >= 0xfe0 && offset < 0x1000) {
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return pl110_id[(offset - 0xfe0) >> 2];
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}
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if (offset >= 0x200 && offset < 0x400) {
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return s->raw_pallette[(offset - 0x200) >> 2];
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}
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switch (offset >> 2) {
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case 0: /* LCDTiming0 */
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return s->timing[0];
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case 1: /* LCDTiming1 */
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return s->timing[1];
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case 2: /* LCDTiming2 */
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return s->timing[2];
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case 3: /* LCDTiming3 */
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return s->timing[3];
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case 4: /* LCDUPBASE */
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return s->upbase;
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case 5: /* LCDLPBASE */
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return s->lpbase;
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case 6: /* LCDIMSC */
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return s->int_mask;
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case 7: /* LCDControl */
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return s->cr;
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case 8: /* LCDRIS */
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return s->int_status;
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case 9: /* LCDMIS */
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return s->int_status & s->int_mask;
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case 11: /* LCDUPCURR */
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/* TODO: Implement vertical refresh. */
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return s->upbase;
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case 12: /* LCDLPCURR */
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return s->lpbase;
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default:
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cpu_abort (cpu_single_env, "pl110_read: Bad offset %x\n", offset);
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return 0;
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}
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}
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static void pl110_write(void *opaque, target_phys_addr_t offset,
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uint32_t val)
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{
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pl110_state *s = (pl110_state *)opaque;
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int n;
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/* For simplicity invalidate the display whenever a control register
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is writen to. */
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s->invalidate = 1;
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offset -= s->base;
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if (offset >= 0x200 && offset < 0x400) {
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/* Pallette. */
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n = (offset - 0x200) >> 2;
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s->raw_pallette[(offset - 0x200) >> 2] = val;
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pl110_update_pallette(s, n);
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}
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switch (offset >> 2) {
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case 0: /* LCDTiming0 */
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s->timing[0] = val;
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n = ((val & 0xfc) + 4) * 4;
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pl110_resize(s, n, s->rows);
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break;
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case 1: /* LCDTiming1 */
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s->timing[1] = val;
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n = (val & 0x3ff) + 1;
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pl110_resize(s, s->cols, n);
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break;
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case 2: /* LCDTiming2 */
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s->timing[2] = val;
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break;
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case 3: /* LCDTiming3 */
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s->timing[3] = val;
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break;
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case 4: /* LCDUPBASE */
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s->upbase = val;
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break;
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case 5: /* LCDLPBASE */
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s->lpbase = val;
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break;
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case 6: /* LCDIMSC */
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s->int_mask = val;
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pl110_update(s);
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break;
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case 7: /* LCDControl */
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s->cr = val;
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s->bpp = (val >> 1) & 7;
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if (pl110_enabled(s)) {
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dpy_resize(s->ds, s->cols, s->rows);
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}
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break;
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case 10: /* LCDICR */
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s->int_status &= ~val;
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pl110_update(s);
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break;
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default:
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cpu_abort (cpu_single_env, "pl110_write: Bad offset %x\n", offset);
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}
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}
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static CPUReadMemoryFunc *pl110_readfn[] = {
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pl110_read,
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pl110_read,
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pl110_read
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};
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static CPUWriteMemoryFunc *pl110_writefn[] = {
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pl110_write,
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pl110_write,
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pl110_write
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};
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void *pl110_init(DisplayState *ds, uint32_t base, void *pic, int irq)
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{
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pl110_state *s;
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int iomemtype;
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s = (pl110_state *)qemu_mallocz(sizeof(pl110_state));
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iomemtype = cpu_register_io_memory(0, pl110_readfn,
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pl110_writefn, s);
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cpu_register_physical_memory(base, 0x007fffff, iomemtype);
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s->base = base;
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s->ds = ds;
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s->pic = pic;
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s->irq = irq;
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/* ??? Save/restore. */
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return s;
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}
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252
hw/pl110_template.h
Normal file
252
hw/pl110_template.h
Normal file
@ -0,0 +1,252 @@
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/*
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* Arm PrimeCell PL110 Color LCD Controller
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*
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* Copyright (c) 2005 CodeSourcery, LLC.
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* Written by Paul Brook
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*
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* This code is licenced under the GNU LGPL
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*
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* Framebuffer format conversion routines.
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*/
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#ifndef ORDER
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#if BITS == 8
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#define COPY_PIXEL(to, from) *(to++) = from
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#elif BITS == 15 || BITS == 16
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#define COPY_PIXEL(to, from) *(uint16_t *)to = from; to += 2;
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#elif BITS == 24
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#define COPY_PIXEL(to, from) \
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*(to++) = from; *(to++) = (from) >> 8; *(to++) = (from) >> 16
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#elif BITS == 32
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#define COPY_PIXEL(to, from) *(uint32_t *)to = from; to += 4;
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#else
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#error unknown bit depth
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#endif
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#define ORDER 0
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#include "pl110_template.h"
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#define ORDER 1
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#include "pl110_template.h"
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#define ORDER 2
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#include "pl110_template.h"
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static drawfn glue(pl110_draw_fn_,BITS)[18] =
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{
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glue(pl110_draw_line1_lblp,BITS),
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glue(pl110_draw_line2_lblp,BITS),
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glue(pl110_draw_line4_lblp,BITS),
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glue(pl110_draw_line8_lblp,BITS),
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glue(pl110_draw_line16_lblp,BITS),
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glue(pl110_draw_line32_lblp,BITS),
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glue(pl110_draw_line1_bbbp,BITS),
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glue(pl110_draw_line2_bbbp,BITS),
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glue(pl110_draw_line4_bbbp,BITS),
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glue(pl110_draw_line8_bbbp,BITS),
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glue(pl110_draw_line16_bbbp,BITS),
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glue(pl110_draw_line32_bbbp,BITS),
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|
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glue(pl110_draw_line1_lbbp,BITS),
|
||||
glue(pl110_draw_line2_lbbp,BITS),
|
||||
glue(pl110_draw_line4_lbbp,BITS),
|
||||
glue(pl110_draw_line8_lbbp,BITS),
|
||||
glue(pl110_draw_line16_lbbp,BITS),
|
||||
glue(pl110_draw_line32_lbbp,BITS)
|
||||
};
|
||||
|
||||
#undef BITS
|
||||
#undef COPY_PIXEL
|
||||
|
||||
#else
|
||||
|
||||
#if ORDER == 0
|
||||
#define NAME glue(lblp, BITS)
|
||||
#ifdef WORDS_BIGENDIAN
|
||||
#define SWAP_WORDS 1
|
||||
#endif
|
||||
#elif ORDER == 1
|
||||
#define NAME glue(bbbp, BITS)
|
||||
#ifndef WORDS_BIGENDIAN
|
||||
#define SWAP_WORDS 1
|
||||
#endif
|
||||
#else
|
||||
#define SWAP_PIXELS 1
|
||||
#define NAME glue(lbbp, BITS)
|
||||
#ifdef WORDS_BIGENDIAN
|
||||
#define SWAP_WORDS 1
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define FN_2(x, y) FN(x, y) FN(x+1, y)
|
||||
#define FN_4(x, y) FN_2(x, y) FN_2(x+1, y)
|
||||
#define FN_8(y) FN_4(0, y) FN_4(4, y)
|
||||
|
||||
static void glue(pl110_draw_line1_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
||||
{
|
||||
uint32_t data;
|
||||
while (width > 0) {
|
||||
data = *(uint32_t *)src;
|
||||
#ifdef SWAP_PIXELS
|
||||
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 7 - (x))) & 1]);
|
||||
#else
|
||||
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x) + y)) & 1]);
|
||||
#endif
|
||||
#ifdef SWAP_BYTES
|
||||
FN_8(24)
|
||||
FN_8(16)
|
||||
FN_8(8)
|
||||
FN_8(0)
|
||||
#else
|
||||
FN_8(0)
|
||||
FN_8(8)
|
||||
FN_8(16)
|
||||
FN_8(24)
|
||||
#endif
|
||||
#undef FN
|
||||
width -= 32;
|
||||
src += 4;
|
||||
}
|
||||
}
|
||||
|
||||
static void glue(pl110_draw_line2_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
||||
{
|
||||
uint32_t data;
|
||||
while (width > 0) {
|
||||
data = *(uint32_t *)src;
|
||||
#ifdef SWAP_PIXELS
|
||||
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 6 - (x)*2)) & 3]);
|
||||
#else
|
||||
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*2 + y)) & 3]);
|
||||
#endif
|
||||
#ifdef SWAP_BYTES
|
||||
FN_4(0, 24)
|
||||
FN_4(0, 16)
|
||||
FN_4(0, 8)
|
||||
FN_4(0, 0)
|
||||
#else
|
||||
FN_4(0, 0)
|
||||
FN_4(0, 8)
|
||||
FN_4(0, 16)
|
||||
FN_4(0, 24)
|
||||
#endif
|
||||
#undef FN
|
||||
width -= 16;
|
||||
src += 4;
|
||||
}
|
||||
}
|
||||
|
||||
static void glue(pl110_draw_line4_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
||||
{
|
||||
uint32_t data;
|
||||
while (width > 0) {
|
||||
data = *(uint32_t *)src;
|
||||
#ifdef SWAP_PIXELS
|
||||
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> (y + 4 - (x)*4)) & 0xf]);
|
||||
#else
|
||||
#define FN(x, y) COPY_PIXEL(d, pallette[(data >> ((x)*4 + y)) & 0xf]);
|
||||
#endif
|
||||
#ifdef SWAP_BYTES
|
||||
FN_2(0, 24)
|
||||
FN_2(0, 16)
|
||||
FN_2(0, 8)
|
||||
FN_2(0, 0)
|
||||
#else
|
||||
FN_2(0, 0)
|
||||
FN_2(0, 8)
|
||||
FN_2(0, 16)
|
||||
FN_2(0, 24)
|
||||
#endif
|
||||
#undef FN
|
||||
width -= 8;
|
||||
src += 4;
|
||||
}
|
||||
}
|
||||
|
||||
static void glue(pl110_draw_line8_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
||||
{
|
||||
uint32_t data;
|
||||
while (width > 0) {
|
||||
data = *(uint32_t *)src;
|
||||
#define FN(x) COPY_PIXEL(d, pallette[(data >> (x)) & 0xff]);
|
||||
#ifdef SWAP_BYTES
|
||||
FN(24)
|
||||
FN(16)
|
||||
FN(8)
|
||||
FN(0)
|
||||
#else
|
||||
FN(0)
|
||||
FN(8)
|
||||
FN(16)
|
||||
FN(24)
|
||||
#endif
|
||||
#undef FN
|
||||
width -= 4;
|
||||
src += 4;
|
||||
}
|
||||
}
|
||||
|
||||
static void glue(pl110_draw_line16_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
||||
{
|
||||
uint32_t data;
|
||||
unsigned int r, g, b;
|
||||
while (width > 0) {
|
||||
data = *(uint32_t *)src;
|
||||
#ifdef SWAP_BYTES
|
||||
data = bswap32(data);
|
||||
#endif
|
||||
#if 0
|
||||
r = data & 0x1f;
|
||||
data >>= 5;
|
||||
g = data & 0x3f;
|
||||
data >>= 6;
|
||||
b = data & 0x1f;
|
||||
data >>= 5;
|
||||
#else
|
||||
r = (data & 0x1f) << 3;
|
||||
data >>= 5;
|
||||
g = (data & 0x3f) << 2;
|
||||
data >>= 6;
|
||||
b = (data & 0x1f) << 3;
|
||||
data >>= 5;
|
||||
#endif
|
||||
COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
|
||||
r = (data & 0x1f) << 3;
|
||||
data >>= 5;
|
||||
g = (data & 0x3f) << 2;
|
||||
data >>= 6;
|
||||
b = (data & 0x1f) << 3;
|
||||
data >>= 5;
|
||||
COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
|
||||
width -= 2;
|
||||
src += 4;
|
||||
}
|
||||
}
|
||||
|
||||
static void glue(pl110_draw_line32_,NAME)(uint32_t *pallette, uint8_t *d, const uint8_t *src, int width)
|
||||
{
|
||||
uint32_t data;
|
||||
unsigned int r, g, b;
|
||||
while (width > 0) {
|
||||
data = *(uint32_t *)src;
|
||||
#ifdef SWAP_BYTES
|
||||
r = data & 0xff;
|
||||
g = (data >> 8) & 0xff;
|
||||
b = (data >> 16) & 0xff;
|
||||
#else
|
||||
r = (data >> 24) & 0xff;
|
||||
g = (data >> 16) & 0xff;
|
||||
b = (data >> 8) & 0xff;
|
||||
#endif
|
||||
COPY_PIXEL(d, glue(rgb_to_pixel,BITS)(r, g, b));
|
||||
width--;
|
||||
src += 4;
|
||||
}
|
||||
}
|
||||
|
||||
#undef SWAP_PIXELS
|
||||
#undef NAME
|
||||
#undef SWAP_WORDS
|
||||
#undef ORDER
|
||||
|
||||
#endif
|
||||
5
vl.h
5
vl.h
@ -973,6 +973,11 @@ void ps2_queue(void *, int b);
|
||||
/* smc91c111.c */
|
||||
void smc91c111_init(NICInfo *, uint32_t, void *, int);
|
||||
|
||||
/* pl110.c */
|
||||
void *pl110_init(DisplayState *ds, uint32_t base, void *pic, int irq);
|
||||
void pl110_update_display(void *opaque);
|
||||
void pl110_invalidate_display(void *opaque);
|
||||
|
||||
#endif /* defined(QEMU_TOOL) */
|
||||
|
||||
/* monitor.c */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user