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-rw-r--r--hw/mips/gt64xxx_pci.c494
1 files changed, 264 insertions, 230 deletions
diff --git a/hw/mips/gt64xxx_pci.c b/hw/mips/gt64xxx_pci.c
index f707e59c7a..2fa313f498 100644
--- a/hw/mips/gt64xxx_pci.c
+++ b/hw/mips/gt64xxx_pci.c
@@ -23,207 +23,202 @@
*/
#include "qemu/osdep.h"
+#include "qemu/units.h"
+#include "qemu/log.h"
#include "hw/hw.h"
#include "hw/mips/mips.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
#include "hw/i386/pc.h"
#include "exec/address-spaces.h"
+#include "trace.h"
-//#define DEBUG
-
-#ifdef DEBUG
-#define DPRINTF(fmt, ...) fprintf(stderr, "%s: " fmt, __func__, ##__VA_ARGS__)
-#else
-#define DPRINTF(fmt, ...)
-#endif
-
-#define GT_REGS (0x1000 >> 2)
+#define GT_REGS (0x1000 >> 2)
/* CPU Configuration */
-#define GT_CPU (0x000 >> 2)
-#define GT_MULTI (0x120 >> 2)
+#define GT_CPU (0x000 >> 2)
+#define GT_MULTI (0x120 >> 2)
/* CPU Address Decode */
-#define GT_SCS10LD (0x008 >> 2)
-#define GT_SCS10HD (0x010 >> 2)
-#define GT_SCS32LD (0x018 >> 2)
-#define GT_SCS32HD (0x020 >> 2)
-#define GT_CS20LD (0x028 >> 2)
-#define GT_CS20HD (0x030 >> 2)
-#define GT_CS3BOOTLD (0x038 >> 2)
-#define GT_CS3BOOTHD (0x040 >> 2)
-#define GT_PCI0IOLD (0x048 >> 2)
-#define GT_PCI0IOHD (0x050 >> 2)
-#define GT_PCI0M0LD (0x058 >> 2)
-#define GT_PCI0M0HD (0x060 >> 2)
-#define GT_PCI0M1LD (0x080 >> 2)
-#define GT_PCI0M1HD (0x088 >> 2)
-#define GT_PCI1IOLD (0x090 >> 2)
-#define GT_PCI1IOHD (0x098 >> 2)
-#define GT_PCI1M0LD (0x0a0 >> 2)
-#define GT_PCI1M0HD (0x0a8 >> 2)
-#define GT_PCI1M1LD (0x0b0 >> 2)
-#define GT_PCI1M1HD (0x0b8 >> 2)
-#define GT_ISD (0x068 >> 2)
-
-#define GT_SCS10AR (0x0d0 >> 2)
-#define GT_SCS32AR (0x0d8 >> 2)
-#define GT_CS20R (0x0e0 >> 2)
-#define GT_CS3BOOTR (0x0e8 >> 2)
-
-#define GT_PCI0IOREMAP (0x0f0 >> 2)
-#define GT_PCI0M0REMAP (0x0f8 >> 2)
-#define GT_PCI0M1REMAP (0x100 >> 2)
-#define GT_PCI1IOREMAP (0x108 >> 2)
-#define GT_PCI1M0REMAP (0x110 >> 2)
-#define GT_PCI1M1REMAP (0x118 >> 2)
+#define GT_SCS10LD (0x008 >> 2)
+#define GT_SCS10HD (0x010 >> 2)
+#define GT_SCS32LD (0x018 >> 2)
+#define GT_SCS32HD (0x020 >> 2)
+#define GT_CS20LD (0x028 >> 2)
+#define GT_CS20HD (0x030 >> 2)
+#define GT_CS3BOOTLD (0x038 >> 2)
+#define GT_CS3BOOTHD (0x040 >> 2)
+#define GT_PCI0IOLD (0x048 >> 2)
+#define GT_PCI0IOHD (0x050 >> 2)
+#define GT_PCI0M0LD (0x058 >> 2)
+#define GT_PCI0M0HD (0x060 >> 2)
+#define GT_PCI0M1LD (0x080 >> 2)
+#define GT_PCI0M1HD (0x088 >> 2)
+#define GT_PCI1IOLD (0x090 >> 2)
+#define GT_PCI1IOHD (0x098 >> 2)
+#define GT_PCI1M0LD (0x0a0 >> 2)
+#define GT_PCI1M0HD (0x0a8 >> 2)
+#define GT_PCI1M1LD (0x0b0 >> 2)
+#define GT_PCI1M1HD (0x0b8 >> 2)
+#define GT_ISD (0x068 >> 2)
+
+#define GT_SCS10AR (0x0d0 >> 2)
+#define GT_SCS32AR (0x0d8 >> 2)
+#define GT_CS20R (0x0e0 >> 2)
+#define GT_CS3BOOTR (0x0e8 >> 2)
+
+#define GT_PCI0IOREMAP (0x0f0 >> 2)
+#define GT_PCI0M0REMAP (0x0f8 >> 2)
+#define GT_PCI0M1REMAP (0x100 >> 2)
+#define GT_PCI1IOREMAP (0x108 >> 2)
+#define GT_PCI1M0REMAP (0x110 >> 2)
+#define GT_PCI1M1REMAP (0x118 >> 2)
/* CPU Error Report */
-#define GT_CPUERR_ADDRLO (0x070 >> 2)
-#define GT_CPUERR_ADDRHI (0x078 >> 2)
-#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */
-#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */
-#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */
+#define GT_CPUERR_ADDRLO (0x070 >> 2)
+#define GT_CPUERR_ADDRHI (0x078 >> 2)
+#define GT_CPUERR_DATALO (0x128 >> 2) /* GT-64120A only */
+#define GT_CPUERR_DATAHI (0x130 >> 2) /* GT-64120A only */
+#define GT_CPUERR_PARITY (0x138 >> 2) /* GT-64120A only */
/* CPU Sync Barrier */
-#define GT_PCI0SYNC (0x0c0 >> 2)
-#define GT_PCI1SYNC (0x0c8 >> 2)
+#define GT_PCI0SYNC (0x0c0 >> 2)
+#define GT_PCI1SYNC (0x0c8 >> 2)
/* SDRAM and Device Address Decode */
-#define GT_SCS0LD (0x400 >> 2)
-#define GT_SCS0HD (0x404 >> 2)
-#define GT_SCS1LD (0x408 >> 2)
-#define GT_SCS1HD (0x40c >> 2)
-#define GT_SCS2LD (0x410 >> 2)
-#define GT_SCS2HD (0x414 >> 2)
-#define GT_SCS3LD (0x418 >> 2)
-#define GT_SCS3HD (0x41c >> 2)
-#define GT_CS0LD (0x420 >> 2)
-#define GT_CS0HD (0x424 >> 2)
-#define GT_CS1LD (0x428 >> 2)
-#define GT_CS1HD (0x42c >> 2)
-#define GT_CS2LD (0x430 >> 2)
-#define GT_CS2HD (0x434 >> 2)
-#define GT_CS3LD (0x438 >> 2)
-#define GT_CS3HD (0x43c >> 2)
-#define GT_BOOTLD (0x440 >> 2)
-#define GT_BOOTHD (0x444 >> 2)
-#define GT_ADERR (0x470 >> 2)
+#define GT_SCS0LD (0x400 >> 2)
+#define GT_SCS0HD (0x404 >> 2)
+#define GT_SCS1LD (0x408 >> 2)
+#define GT_SCS1HD (0x40c >> 2)
+#define GT_SCS2LD (0x410 >> 2)
+#define GT_SCS2HD (0x414 >> 2)
+#define GT_SCS3LD (0x418 >> 2)
+#define GT_SCS3HD (0x41c >> 2)
+#define GT_CS0LD (0x420 >> 2)
+#define GT_CS0HD (0x424 >> 2)
+#define GT_CS1LD (0x428 >> 2)
+#define GT_CS1HD (0x42c >> 2)
+#define GT_CS2LD (0x430 >> 2)
+#define GT_CS2HD (0x434 >> 2)
+#define GT_CS3LD (0x438 >> 2)
+#define GT_CS3HD (0x43c >> 2)
+#define GT_BOOTLD (0x440 >> 2)
+#define GT_BOOTHD (0x444 >> 2)
+#define GT_ADERR (0x470 >> 2)
/* SDRAM Configuration */
-#define GT_SDRAM_CFG (0x448 >> 2)
-#define GT_SDRAM_OPMODE (0x474 >> 2)
-#define GT_SDRAM_BM (0x478 >> 2)
-#define GT_SDRAM_ADDRDECODE (0x47c >> 2)
+#define GT_SDRAM_CFG (0x448 >> 2)
+#define GT_SDRAM_OPMODE (0x474 >> 2)
+#define GT_SDRAM_BM (0x478 >> 2)
+#define GT_SDRAM_ADDRDECODE (0x47c >> 2)
/* SDRAM Parameters */
-#define GT_SDRAM_B0 (0x44c >> 2)
-#define GT_SDRAM_B1 (0x450 >> 2)
-#define GT_SDRAM_B2 (0x454 >> 2)
-#define GT_SDRAM_B3 (0x458 >> 2)
+#define GT_SDRAM_B0 (0x44c >> 2)
+#define GT_SDRAM_B1 (0x450 >> 2)
+#define GT_SDRAM_B2 (0x454 >> 2)
+#define GT_SDRAM_B3 (0x458 >> 2)
/* Device Parameters */
-#define GT_DEV_B0 (0x45c >> 2)
-#define GT_DEV_B1 (0x460 >> 2)
-#define GT_DEV_B2 (0x464 >> 2)
-#define GT_DEV_B3 (0x468 >> 2)
-#define GT_DEV_BOOT (0x46c >> 2)
+#define GT_DEV_B0 (0x45c >> 2)
+#define GT_DEV_B1 (0x460 >> 2)
+#define GT_DEV_B2 (0x464 >> 2)
+#define GT_DEV_B3 (0x468 >> 2)
+#define GT_DEV_BOOT (0x46c >> 2)
/* ECC */
-#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */
-#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */
-#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */
-#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */
-#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */
+#define GT_ECC_ERRDATALO (0x480 >> 2) /* GT-64120A only */
+#define GT_ECC_ERRDATAHI (0x484 >> 2) /* GT-64120A only */
+#define GT_ECC_MEM (0x488 >> 2) /* GT-64120A only */
+#define GT_ECC_CALC (0x48c >> 2) /* GT-64120A only */
+#define GT_ECC_ERRADDR (0x490 >> 2) /* GT-64120A only */
/* DMA Record */
-#define GT_DMA0_CNT (0x800 >> 2)
-#define GT_DMA1_CNT (0x804 >> 2)
-#define GT_DMA2_CNT (0x808 >> 2)
-#define GT_DMA3_CNT (0x80c >> 2)
-#define GT_DMA0_SA (0x810 >> 2)
-#define GT_DMA1_SA (0x814 >> 2)
-#define GT_DMA2_SA (0x818 >> 2)
-#define GT_DMA3_SA (0x81c >> 2)
-#define GT_DMA0_DA (0x820 >> 2)
-#define GT_DMA1_DA (0x824 >> 2)
-#define GT_DMA2_DA (0x828 >> 2)
-#define GT_DMA3_DA (0x82c >> 2)
-#define GT_DMA0_NEXT (0x830 >> 2)
-#define GT_DMA1_NEXT (0x834 >> 2)
-#define GT_DMA2_NEXT (0x838 >> 2)
-#define GT_DMA3_NEXT (0x83c >> 2)
-#define GT_DMA0_CUR (0x870 >> 2)
-#define GT_DMA1_CUR (0x874 >> 2)
-#define GT_DMA2_CUR (0x878 >> 2)
-#define GT_DMA3_CUR (0x87c >> 2)
+#define GT_DMA0_CNT (0x800 >> 2)
+#define GT_DMA1_CNT (0x804 >> 2)
+#define GT_DMA2_CNT (0x808 >> 2)
+#define GT_DMA3_CNT (0x80c >> 2)
+#define GT_DMA0_SA (0x810 >> 2)
+#define GT_DMA1_SA (0x814 >> 2)
+#define GT_DMA2_SA (0x818 >> 2)
+#define GT_DMA3_SA (0x81c >> 2)
+#define GT_DMA0_DA (0x820 >> 2)
+#define GT_DMA1_DA (0x824 >> 2)
+#define GT_DMA2_DA (0x828 >> 2)
+#define GT_DMA3_DA (0x82c >> 2)
+#define GT_DMA0_NEXT (0x830 >> 2)
+#define GT_DMA1_NEXT (0x834 >> 2)
+#define GT_DMA2_NEXT (0x838 >> 2)
+#define GT_DMA3_NEXT (0x83c >> 2)
+#define GT_DMA0_CUR (0x870 >> 2)
+#define GT_DMA1_CUR (0x874 >> 2)
+#define GT_DMA2_CUR (0x878 >> 2)
+#define GT_DMA3_CUR (0x87c >> 2)
/* DMA Channel Control */
-#define GT_DMA0_CTRL (0x840 >> 2)
-#define GT_DMA1_CTRL (0x844 >> 2)
-#define GT_DMA2_CTRL (0x848 >> 2)
-#define GT_DMA3_CTRL (0x84c >> 2)
+#define GT_DMA0_CTRL (0x840 >> 2)
+#define GT_DMA1_CTRL (0x844 >> 2)
+#define GT_DMA2_CTRL (0x848 >> 2)
+#define GT_DMA3_CTRL (0x84c >> 2)
/* DMA Arbiter */
-#define GT_DMA_ARB (0x860 >> 2)
+#define GT_DMA_ARB (0x860 >> 2)
/* Timer/Counter */
-#define GT_TC0 (0x850 >> 2)
-#define GT_TC1 (0x854 >> 2)
-#define GT_TC2 (0x858 >> 2)
-#define GT_TC3 (0x85c >> 2)
-#define GT_TC_CONTROL (0x864 >> 2)
+#define GT_TC0 (0x850 >> 2)
+#define GT_TC1 (0x854 >> 2)
+#define GT_TC2 (0x858 >> 2)
+#define GT_TC3 (0x85c >> 2)
+#define GT_TC_CONTROL (0x864 >> 2)
/* PCI Internal */
-#define GT_PCI0_CMD (0xc00 >> 2)
-#define GT_PCI0_TOR (0xc04 >> 2)
-#define GT_PCI0_BS_SCS10 (0xc08 >> 2)
-#define GT_PCI0_BS_SCS32 (0xc0c >> 2)
-#define GT_PCI0_BS_CS20 (0xc10 >> 2)
-#define GT_PCI0_BS_CS3BT (0xc14 >> 2)
-#define GT_PCI1_IACK (0xc30 >> 2)
-#define GT_PCI0_IACK (0xc34 >> 2)
-#define GT_PCI0_BARE (0xc3c >> 2)
-#define GT_PCI0_PREFMBR (0xc40 >> 2)
-#define GT_PCI0_SCS10_BAR (0xc48 >> 2)
-#define GT_PCI0_SCS32_BAR (0xc4c >> 2)
-#define GT_PCI0_CS20_BAR (0xc50 >> 2)
-#define GT_PCI0_CS3BT_BAR (0xc54 >> 2)
-#define GT_PCI0_SSCS10_BAR (0xc58 >> 2)
-#define GT_PCI0_SSCS32_BAR (0xc5c >> 2)
-#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2)
-#define GT_PCI1_CMD (0xc80 >> 2)
-#define GT_PCI1_TOR (0xc84 >> 2)
-#define GT_PCI1_BS_SCS10 (0xc88 >> 2)
-#define GT_PCI1_BS_SCS32 (0xc8c >> 2)
-#define GT_PCI1_BS_CS20 (0xc90 >> 2)
-#define GT_PCI1_BS_CS3BT (0xc94 >> 2)
-#define GT_PCI1_BARE (0xcbc >> 2)
-#define GT_PCI1_PREFMBR (0xcc0 >> 2)
-#define GT_PCI1_SCS10_BAR (0xcc8 >> 2)
-#define GT_PCI1_SCS32_BAR (0xccc >> 2)
-#define GT_PCI1_CS20_BAR (0xcd0 >> 2)
-#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2)
-#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2)
-#define GT_PCI1_SSCS32_BAR (0xcdc >> 2)
-#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2)
-#define GT_PCI1_CFGADDR (0xcf0 >> 2)
-#define GT_PCI1_CFGDATA (0xcf4 >> 2)
-#define GT_PCI0_CFGADDR (0xcf8 >> 2)
-#define GT_PCI0_CFGDATA (0xcfc >> 2)
+#define GT_PCI0_CMD (0xc00 >> 2)
+#define GT_PCI0_TOR (0xc04 >> 2)
+#define GT_PCI0_BS_SCS10 (0xc08 >> 2)
+#define GT_PCI0_BS_SCS32 (0xc0c >> 2)
+#define GT_PCI0_BS_CS20 (0xc10 >> 2)
+#define GT_PCI0_BS_CS3BT (0xc14 >> 2)
+#define GT_PCI1_IACK (0xc30 >> 2)
+#define GT_PCI0_IACK (0xc34 >> 2)
+#define GT_PCI0_BARE (0xc3c >> 2)
+#define GT_PCI0_PREFMBR (0xc40 >> 2)
+#define GT_PCI0_SCS10_BAR (0xc48 >> 2)
+#define GT_PCI0_SCS32_BAR (0xc4c >> 2)
+#define GT_PCI0_CS20_BAR (0xc50 >> 2)
+#define GT_PCI0_CS3BT_BAR (0xc54 >> 2)
+#define GT_PCI0_SSCS10_BAR (0xc58 >> 2)
+#define GT_PCI0_SSCS32_BAR (0xc5c >> 2)
+#define GT_PCI0_SCS3BT_BAR (0xc64 >> 2)
+#define GT_PCI1_CMD (0xc80 >> 2)
+#define GT_PCI1_TOR (0xc84 >> 2)
+#define GT_PCI1_BS_SCS10 (0xc88 >> 2)
+#define GT_PCI1_BS_SCS32 (0xc8c >> 2)
+#define GT_PCI1_BS_CS20 (0xc90 >> 2)
+#define GT_PCI1_BS_CS3BT (0xc94 >> 2)
+#define GT_PCI1_BARE (0xcbc >> 2)
+#define GT_PCI1_PREFMBR (0xcc0 >> 2)
+#define GT_PCI1_SCS10_BAR (0xcc8 >> 2)
+#define GT_PCI1_SCS32_BAR (0xccc >> 2)
+#define GT_PCI1_CS20_BAR (0xcd0 >> 2)
+#define GT_PCI1_CS3BT_BAR (0xcd4 >> 2)
+#define GT_PCI1_SSCS10_BAR (0xcd8 >> 2)
+#define GT_PCI1_SSCS32_BAR (0xcdc >> 2)
+#define GT_PCI1_SCS3BT_BAR (0xce4 >> 2)
+#define GT_PCI1_CFGADDR (0xcf0 >> 2)
+#define GT_PCI1_CFGDATA (0xcf4 >> 2)
+#define GT_PCI0_CFGADDR (0xcf8 >> 2)
+#define GT_PCI0_CFGDATA (0xcfc >> 2)
/* Interrupts */
-#define GT_INTRCAUSE (0xc18 >> 2)
-#define GT_INTRMASK (0xc1c >> 2)
-#define GT_PCI0_ICMASK (0xc24 >> 2)
-#define GT_PCI0_SERR0MASK (0xc28 >> 2)
-#define GT_CPU_INTSEL (0xc70 >> 2)
-#define GT_PCI0_INTSEL (0xc74 >> 2)
-#define GT_HINTRCAUSE (0xc98 >> 2)
-#define GT_HINTRMASK (0xc9c >> 2)
-#define GT_PCI0_HICMASK (0xca4 >> 2)
-#define GT_PCI1_SERR1MASK (0xca8 >> 2)
+#define GT_INTRCAUSE (0xc18 >> 2)
+#define GT_INTRMASK (0xc1c >> 2)
+#define GT_PCI0_ICMASK (0xc24 >> 2)
+#define GT_PCI0_SERR0MASK (0xc28 >> 2)
+#define GT_CPU_INTSEL (0xc70 >> 2)
+#define GT_PCI0_INTSEL (0xc74 >> 2)
+#define GT_HINTRCAUSE (0xc98 >> 2)
+#define GT_HINTRMASK (0xc9c >> 2)
+#define GT_PCI0_HICMASK (0xca4 >> 2)
+#define GT_PCI1_SERR1MASK (0xca8 >> 2)
#define PCI_MAPPING_ENTRY(regname) \
hwaddr regname ##_start; \
@@ -248,27 +243,34 @@ typedef struct GT64120State {
} GT64120State;
/* Adjust range to avoid touching space which isn't mappable via PCI */
-/* XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
- 0x1fc00000 - 0x1fd00000 */
-static void check_reserved_space (hwaddr *start,
- hwaddr *length)
+/*
+ * XXX: Hardcoded values for Malta: 0x1e000000 - 0x1f100000
+ * 0x1fc00000 - 0x1fd00000
+ */
+static void check_reserved_space(hwaddr *start, hwaddr *length)
{
hwaddr begin = *start;
hwaddr end = *start + *length;
- if (end >= 0x1e000000LL && end < 0x1f100000LL)
+ if (end >= 0x1e000000LL && end < 0x1f100000LL) {
end = 0x1e000000LL;
- if (begin >= 0x1e000000LL && begin < 0x1f100000LL)
+ }
+ if (begin >= 0x1e000000LL && begin < 0x1f100000LL) {
begin = 0x1f100000LL;
- if (end >= 0x1fc00000LL && end < 0x1fd00000LL)
+ }
+ if (end >= 0x1fc00000LL && end < 0x1fd00000LL) {
end = 0x1fc00000LL;
- if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL)
+ }
+ if (begin >= 0x1fc00000LL && begin < 0x1fd00000LL) {
begin = 0x1fd00000LL;
+ }
/* XXX: This is broken when a reserved range splits the requested range */
- if (end >= 0x1f100000LL && begin < 0x1e000000LL)
+ if (end >= 0x1f100000LL && begin < 0x1e000000LL) {
end = 0x1e000000LL;
- if (end >= 0x1fd00000LL && begin < 0x1fc00000LL)
+ }
+ if (end >= 0x1fd00000LL && begin < 0x1fc00000LL) {
end = 0x1fc00000LL;
+ }
*start = begin;
*length = end - begin;
@@ -286,9 +288,7 @@ static void gt64120_isd_mapping(GT64120State *s)
check_reserved_space(&start, &length);
length = 0x1000;
/* Map new address */
- DPRINTF("ISD: "TARGET_FMT_plx"@"TARGET_FMT_plx
- " -> "TARGET_FMT_plx"@"TARGET_FMT_plx"\n",
- s->ISD_length, s->ISD_start, length, start);
+ trace_gt64120_isd_remap(s->ISD_length, s->ISD_start, length, start);
s->ISD_start = start;
s->ISD_length = length;
memory_region_add_subregion(get_system_memory(), s->ISD_start, &s->ISD_mem);
@@ -377,15 +377,16 @@ static const VMStateDescription vmstate_gt64120 = {
}
};
-static void gt64120_writel (void *opaque, hwaddr addr,
- uint64_t val, unsigned size)
+static void gt64120_writel(void *opaque, hwaddr addr,
+ uint64_t val, unsigned size)
{
GT64120State *s = opaque;
PCIHostState *phb = PCI_HOST_BRIDGE(s);
uint32_t saddr;
- if (!(s->regs[GT_CPU] & 0x00001000))
+ if (!(s->regs[GT_CPU] & 0x00001000)) {
val = bswap32(val);
+ }
saddr = (addr & 0xfff) >> 2;
switch (saddr) {
@@ -458,12 +459,20 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_CPUERR_DATAHI:
case GT_CPUERR_PARITY:
/* Read-only registers, do nothing */
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "gt64120: Read-only register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
/* CPU Sync Barrier */
case GT_PCI0SYNC:
case GT_PCI1SYNC:
/* Read-only registers, do nothing */
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "gt64120: Read-only register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
/* SDRAM and Device Address Decode */
@@ -502,7 +511,10 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_DEV_B3:
case GT_DEV_BOOT:
/* Not implemented */
- DPRINTF ("Unimplemented device register offset 0x%x\n", saddr << 2);
+ qemu_log_mask(LOG_UNIMP,
+ "gt64120: Unimplemented device register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
/* ECC */
@@ -512,6 +524,10 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_ECC_CALC:
case GT_ECC_ERRADDR:
/* Read-only registers, do nothing */
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "gt64120: Read-only register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
/* DMA Record */
@@ -535,23 +551,20 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_DMA1_CUR:
case GT_DMA2_CUR:
case GT_DMA3_CUR:
- /* Not implemented */
- DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
- break;
/* DMA Channel Control */
case GT_DMA0_CTRL:
case GT_DMA1_CTRL:
case GT_DMA2_CTRL:
case GT_DMA3_CTRL:
- /* Not implemented */
- DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
- break;
/* DMA Arbiter */
case GT_DMA_ARB:
/* Not implemented */
- DPRINTF ("Unimplemented DMA register offset 0x%x\n", saddr << 2);
+ qemu_log_mask(LOG_UNIMP,
+ "gt64120: Unimplemented DMA register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
/* Timer/Counter */
@@ -561,7 +574,10 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_TC3:
case GT_TC_CONTROL:
/* Not implemented */
- DPRINTF ("Unimplemented timer register offset 0x%x\n", saddr << 2);
+ qemu_log_mask(LOG_UNIMP,
+ "gt64120: Unimplemented timer register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
/* PCI Internal */
@@ -602,6 +618,10 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_PCI1_CFGADDR:
case GT_PCI1_CFGDATA:
/* not implemented */
+ qemu_log_mask(LOG_UNIMP,
+ "gt64120: Unimplemented timer register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
case GT_PCI0_CFGADDR:
phb->config_reg = val & 0x80fffffc;
@@ -620,19 +640,19 @@ static void gt64120_writel (void *opaque, hwaddr addr,
/* not really implemented */
s->regs[saddr] = ~(~(s->regs[saddr]) | ~(val & 0xfffffffe));
s->regs[saddr] |= !!(s->regs[saddr] & 0xfffffffe);
- DPRINTF("INTRCAUSE %" PRIx64 "\n", val);
+ trace_gt64120_write("INTRCAUSE", size << 1, val);
break;
case GT_INTRMASK:
s->regs[saddr] = val & 0x3c3ffffe;
- DPRINTF("INTRMASK %" PRIx64 "\n", val);
+ trace_gt64120_write("INTRMASK", size << 1, val);
break;
case GT_PCI0_ICMASK:
s->regs[saddr] = val & 0x03fffffe;
- DPRINTF("ICMASK %" PRIx64 "\n", val);
+ trace_gt64120_write("ICMASK", size << 1, val);
break;
case GT_PCI0_SERR0MASK:
s->regs[saddr] = val & 0x0000003f;
- DPRINTF("SERR0MASK %" PRIx64 "\n", val);
+ trace_gt64120_write("SERR0MASK", size << 1, val);
break;
/* Reserved when only PCI_0 is configured. */
@@ -650,19 +670,24 @@ static void gt64120_writel (void *opaque, hwaddr addr,
case GT_SDRAM_B1:
case GT_SDRAM_B2:
case GT_SDRAM_B3:
- /* We don't simulate electrical parameters of the SDRAM.
- Accept, but ignore the values. */
+ /*
+ * We don't simulate electrical parameters of the SDRAM.
+ * Accept, but ignore the values.
+ */
s->regs[saddr] = val;
break;
default:
- DPRINTF ("Bad register offset 0x%x\n", (int)addr);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "gt64120: Illegal register write "
+ "reg:0x03%x size:%u value:0x%0*" PRIx64 "\n",
+ saddr << 2, size, size << 1, val);
break;
}
}
-static uint64_t gt64120_readl (void *opaque,
- hwaddr addr, unsigned size)
+static uint64_t gt64120_readl(void *opaque,
+ hwaddr addr, unsigned size)
{
GT64120State *s = opaque;
PCIHostState *phb = PCI_HOST_BRIDGE(s);
@@ -674,8 +699,10 @@ static uint64_t gt64120_readl (void *opaque,
/* CPU Configuration */
case GT_MULTI:
- /* Only one GT64xxx is present on the CPU bus, return
- the initial value */
+ /*
+ * Only one GT64xxx is present on the CPU bus, return
+ * the initial value.
+ */
val = s->regs[saddr];
break;
@@ -685,17 +712,18 @@ static uint64_t gt64120_readl (void *opaque,
case GT_CPUERR_DATALO:
case GT_CPUERR_DATAHI:
case GT_CPUERR_PARITY:
- /* Emulated memory has no error, always return the initial
- values */
+ /* Emulated memory has no error, always return the initial values. */
val = s->regs[saddr];
break;
/* CPU Sync Barrier */
case GT_PCI0SYNC:
case GT_PCI1SYNC:
- /* Reading those register should empty all FIFO on the PCI
- bus, which are not emulated. The return value should be
- a random value that should be ignored. */
+ /*
+ * Reading those register should empty all FIFO on the PCI
+ * bus, which are not emulated. The return value should be
+ * a random value that should be ignored.
+ */
val = 0xc000ffee;
break;
@@ -705,8 +733,7 @@ static uint64_t gt64120_readl (void *opaque,
case GT_ECC_MEM:
case GT_ECC_CALC:
case GT_ECC_ERRADDR:
- /* Emulated memory has no error, always return the initial
- values */
+ /* Emulated memory has no error, always return the initial values. */
val = s->regs[saddr];
break;
@@ -785,8 +812,10 @@ static uint64_t gt64120_readl (void *opaque,
case GT_SDRAM_B1:
case GT_SDRAM_B2:
case GT_SDRAM_B3:
- /* We don't simulate electrical parameters of the SDRAM.
- Just return the last written value. */
+ /*
+ * We don't simulate electrical parameters of the SDRAM.
+ * Just return the last written value.
+ */
val = s->regs[saddr];
break;
@@ -899,19 +928,19 @@ static uint64_t gt64120_readl (void *opaque,
/* Interrupts */
case GT_INTRCAUSE:
val = s->regs[saddr];
- DPRINTF("INTRCAUSE %x\n", val);
+ trace_gt64120_read("INTRCAUSE", size << 1, val);
break;
case GT_INTRMASK:
val = s->regs[saddr];
- DPRINTF("INTRMASK %x\n", val);
+ trace_gt64120_read("INTRMASK", size << 1, val);
break;
case GT_PCI0_ICMASK:
val = s->regs[saddr];
- DPRINTF("ICMASK %x\n", val);
+ trace_gt64120_read("ICMASK", size << 1, val);
break;
case GT_PCI0_SERR0MASK:
val = s->regs[saddr];
- DPRINTF("SERR0MASK %x\n", val);
+ trace_gt64120_read("SERR0MASK", size << 1, val);
break;
/* Reserved when only PCI_0 is configured. */
@@ -926,12 +955,16 @@ static uint64_t gt64120_readl (void *opaque,
default:
val = s->regs[saddr];
- DPRINTF ("Bad register offset 0x%x\n", (int)addr);
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "gt64120: Illegal register read "
+ "reg:0x03%x size:%u value:0x%0*x\n",
+ saddr << 2, size, size << 1, val);
break;
}
- if (!(s->regs[GT_CPU] & 0x00001000))
+ if (!(s->regs[GT_CPU] & 0x00001000)) {
val = bswap32(val);
+ }
return val;
}
@@ -949,20 +982,20 @@ static int gt64120_pci_map_irq(PCIDevice *pci_dev, int irq_num)
slot = (pci_dev->devfn >> 3);
switch (slot) {
- /* PIIX4 USB */
- case 10:
+ /* PIIX4 USB */
+ case 10:
return 3;
- /* AMD 79C973 Ethernet */
- case 11:
+ /* AMD 79C973 Ethernet */
+ case 11:
return 1;
- /* Crystal 4281 Sound */
- case 12:
+ /* Crystal 4281 Sound */
+ case 12:
return 2;
- /* PCI slot 1 to 4 */
- case 18 ... 21:
+ /* PCI slot 1 to 4 */
+ case 18 ... 21:
return ((slot - 18) + irq_num) & 0x03;
- /* Unknown device, don't do any translation */
- default:
+ /* Unknown device, don't do any translation */
+ default:
return irq_num;
}
}
@@ -980,12 +1013,12 @@ static void gt64120_pci_set_irq(void *opaque, int irq_num, int level)
/* XXX: optimize */
pic_irq = piix4_dev->config[0x60 + irq_num];
if (pic_irq < 16) {
- /* The pic level is the logical OR of all the PCI irqs mapped
- to it */
+ /* The pic level is the logical OR of all the PCI irqs mapped to it. */
pic_level = 0;
for (i = 0; i < 4; i++) {
- if (pic_irq == piix4_dev->config[0x60 + i])
+ if (pic_irq == piix4_dev->config[0x60 + i]) {
pic_level |= pci_irq_levels[i];
+ }
}
qemu_set_irq(pic[pic_irq], pic_level);
}
@@ -1169,7 +1202,7 @@ PCIBus *gt64120_register(qemu_irq *pic)
dev = qdev_create(NULL, TYPE_GT64120_PCI_HOST_BRIDGE);
d = GT64120_PCI_HOST_BRIDGE(dev);
phb = PCI_HOST_BRIDGE(dev);
- memory_region_init(&d->pci0_mem, OBJECT(dev), "pci0-mem", UINT32_MAX);
+ memory_region_init(&d->pci0_mem, OBJECT(dev), "pci0-mem", 4 * GiB);
address_space_init(&d->pci0_mem_as, &d->pci0_mem, "pci0-mem");
phb->bus = pci_register_root_bus(dev, "pci",
gt64120_pci_set_irq, gt64120_pci_map_irq,
@@ -1178,7 +1211,8 @@ PCIBus *gt64120_register(qemu_irq *pic)
get_system_io(),
PCI_DEVFN(18, 0), 4, TYPE_PCI_BUS);
qdev_init_nofail(dev);
- memory_region_init_io(&d->ISD_mem, OBJECT(dev), &isd_mem_ops, d, "isd-mem", 0x1000);
+ memory_region_init_io(&d->ISD_mem, OBJECT(dev), &isd_mem_ops, d,
+ "isd-mem", 0x1000);
pci_create_simple(phb->bus, PCI_DEVFN(0, 0), "gt64120_pci");
return phb->bus;
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-19 16:09:56 +0000