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[FREELDR] Replace CONFIG_CMD macro with a straightforward bitfield struct

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Also fix magic values related to PCI registers.
This commit is contained in:
Stanislav Motylkov 2021-05-24 18:02:16 +03:00
parent 5caa59b31a
commit f1410d2b09
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GPG key ID: AFE513258CBA9E92
4 changed files with 50 additions and 13 deletions
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15
boot/freeldr/freeldr/arch/i386/xbox/machxbox.c
View file

@ -301,14 +301,25 @@ VOID XboxHwIdle(VOID)
VOID
MachInit(const char *CmdLine)
{
PCI_TYPE1_CFG_BITS PciCfg1;
ULONG PciId;
memset(&MachVtbl, 0, sizeof(MACHVTBL));
/* Check for Xbox by identifying device at PCI 0:0:0, if it's
* 0x10DE/0x02A5 then we're running on an Xbox */
WRITE_PORT_ULONG((PULONG)0xCF8, CONFIG_CMD(0, 0, 0));
PciId = READ_PORT_ULONG((PULONG)0xCFC);
/* Select Host to PCI bridge */
PciCfg1.u.bits.Enable = 1;
PciCfg1.u.bits.BusNumber = 0;
PciCfg1.u.bits.DeviceNumber = 0;
PciCfg1.u.bits.FunctionNumber = 0;
/* Select register VendorID & DeviceID */
PciCfg1.u.bits.RegisterNumber = 0x00;
PciCfg1.u.bits.Reserved = 0;
WRITE_PORT_ULONG(PCI_TYPE1_ADDRESS_PORT, PciCfg1.u.AsULONG);
PciId = READ_PORT_ULONG((PULONG)PCI_TYPE1_DATA_PORT);
if (PciId != 0x02A510DE)
{
ERR("This is not original Xbox!\n");

19
boot/freeldr/freeldr/arch/i386/xbox/xboxmem.c
View file

@ -57,6 +57,7 @@ PcMemFinalizeMemoryMap(
VOID
XboxMemInit(VOID)
{
PCI_TYPE1_CFG_BITS PciCfg1;
UCHAR ControlRegion[TEST_SIZE];
PVOID MembaseTop = (PVOID)(64 * 1024 * 1024);
PVOID MembaseLow = (PVOID)0;
@ -64,9 +65,17 @@ XboxMemInit(VOID)
WRITE_REGISTER_ULONG((PULONG)(NvBase + NV2A_FB_CFG0), 0x03070103);
WRITE_REGISTER_ULONG((PULONG)(NvBase + NV2A_FB_CFG0 + 4), 0x11448000);
/* Prep hardware for 128 Mb */
WRITE_PORT_ULONG((PULONG)0xCF8, CONFIG_CMD(0, 0, 0x84));
WRITE_PORT_ULONG((PULONG)0xCFC, 0x7FFFFFF);
/* Select Host to PCI bridge */
PciCfg1.u.bits.Enable = 1;
PciCfg1.u.bits.BusNumber = 0;
PciCfg1.u.bits.DeviceNumber = 0;
PciCfg1.u.bits.FunctionNumber = 0;
PciCfg1.u.bits.Reserved = 0;
/* Prepare hardware for 128 MB */
PciCfg1.u.bits.RegisterNumber = 0x84;
WRITE_PORT_ULONG(PCI_TYPE1_ADDRESS_PORT, PciCfg1.u.AsULONG);
WRITE_PORT_ULONG((PULONG)PCI_TYPE1_DATA_PORT, 0x7FFFFFF);
InstalledMemoryMb = 64;
memset(ControlRegion, TEST_PATTERN1, TEST_SIZE);
@ -95,8 +104,8 @@ XboxMemInit(VOID)
}
/* Set hardware for amount of memory detected */
WRITE_PORT_ULONG((PULONG)0xCF8, CONFIG_CMD(0, 0, 0x84));
WRITE_PORT_ULONG((PULONG)0xCFC, InstalledMemoryMb * 1024 * 1024 - 1);
WRITE_PORT_ULONG(PCI_TYPE1_ADDRESS_PORT, PciCfg1.u.AsULONG);
WRITE_PORT_ULONG((PULONG)PCI_TYPE1_DATA_PORT, InstalledMemoryMb * 1024 * 1024 - 1);
AvailableMemoryMb = InstalledMemoryMb;
}

26
boot/freeldr/freeldr/include/arch/pc/hardware.h
View file

@ -20,9 +20,6 @@
#pragma once
#define CONFIG_CMD(bus, dev_fn, where) \
(0x80000000 | (((ULONG)(bus)) << 16) | (((dev_fn) & 0x1F) << 11) | (((dev_fn) & 0xE0) << 3) | ((where) & ~3))
#define TAG_HW_RESOURCE_LIST 'lRwH'
#define TAG_HW_DISK_CONTEXT 'cDwH'
@ -32,6 +29,29 @@
VOID StallExecutionProcessor(ULONG Microseconds);
VOID HalpCalibrateStallExecution(VOID);
/* PCI Type 1 Ports */
#define PCI_TYPE1_ADDRESS_PORT (PULONG)0xCF8
#define PCI_TYPE1_DATA_PORT 0xCFC
/* PCI Type 1 Configuration Register */
typedef struct _PCI_TYPE1_CFG_BITS
{
union
{
struct
{
ULONG RegisterNumber:8;
ULONG FunctionNumber:3;
ULONG DeviceNumber:5;
ULONG BusNumber:8;
ULONG Reserved:7;
ULONG Enable:1;
} bits;
ULONG AsULONG;
} u;
} PCI_TYPE1_CFG_BITS, *PPCI_TYPE1_CFG_BITS;
typedef
PCM_PARTIAL_RESOURCE_LIST
(*GET_HARDDISK_CONFIG_DATA)(UCHAR DriveNumber, ULONG* pSize);

3
boot/freeldr/freeldr/include/arch/powerpc/hardware.h
View file

@ -24,9 +24,6 @@
#include "../../reactos/registry.h"
#endif
#define CONFIG_CMD(bus, dev_fn, where) \
(0x80000000 | (((ULONG)(bus)) << 16) | (((dev_fn) & 0x1F) << 11) | (((dev_fn) & 0xE0) << 3) | ((where) & ~3))
/* PROTOTYPES ***************************************************************/
/* hardware.c */