From f9a5e6a27d2aa1b37758abb031f37615ac367cca Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Thu, 10 Apr 2008 16:44:30 +1000 Subject: [PATCH] [POWERPC] iSeries: Localise and constify some iSeries data Signed-off-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/iseries/ipl_parms.h | 2 -- arch/powerpc/platforms/iseries/lpardata.c | 14 +++++++------- arch/powerpc/platforms/iseries/naca.h | 2 +- arch/powerpc/platforms/iseries/release_data.h | 2 +- arch/powerpc/platforms/iseries/spcomm_area.h | 2 -- arch/powerpc/platforms/iseries/vpd_areas.h | 4 ++-- include/asm-powerpc/iseries/alpaca.h | 2 +- 7 files changed, 12 insertions(+), 16 deletions(-) diff --git a/arch/powerpc/platforms/iseries/ipl_parms.h b/arch/powerpc/platforms/iseries/ipl_parms.h index 77c135ddbf1..83e4ca42fc5 100644 --- a/arch/powerpc/platforms/iseries/ipl_parms.h +++ b/arch/powerpc/platforms/iseries/ipl_parms.h @@ -65,6 +65,4 @@ struct ItIplParmsReal { u64 xRsvd13; // Reserved x38-x3F }; -extern struct ItIplParmsReal xItIplParmsReal; - #endif /* _ISERIES_IPL_PARMS_H */ diff --git a/arch/powerpc/platforms/iseries/lpardata.c b/arch/powerpc/platforms/iseries/lpardata.c index 2331d97e49f..98bd2d37038 100644 --- a/arch/powerpc/platforms/iseries/lpardata.c +++ b/arch/powerpc/platforms/iseries/lpardata.c @@ -31,7 +31,7 @@ /* The HvReleaseData is the root of the information shared between * the hypervisor and Linux. */ -struct HvReleaseData hvReleaseData = { +const struct HvReleaseData hvReleaseData = { .xDesc = 0xc8a5d9c4, /* "HvRD" ebcdic */ .xSize = sizeof(struct HvReleaseData), .xVpdAreasPtrOffset = offsetof(struct naca_struct, xItVpdAreas), @@ -186,7 +186,7 @@ struct ItLpNaca itLpNaca = { }; /* May be filled in by the hypervisor so cannot end up in the BSS */ -struct ItIplParmsReal xItIplParmsReal __attribute__((__section__(".data"))); +static struct ItIplParmsReal xItIplParmsReal __attribute__((__section__(".data"))); /* May be filled in by the hypervisor so cannot end up in the BSS */ struct ItExtVpdPanel xItExtVpdPanel __attribute__((__section__(".data"))); @@ -209,14 +209,14 @@ u64 xMsVpd[3400] __attribute__((__section__(".data"))); /* Space for Recovery Log Buffer */ /* May be filled in by the hypervisor so cannot end up in the BSS */ -u64 xRecoveryLogBuffer[32] __attribute__((__section__(".data"))); +static u64 xRecoveryLogBuffer[32] __attribute__((__section__(".data"))); -struct SpCommArea xSpCommArea = { +static const struct SpCommArea xSpCommArea = { .xDesc = 0xE2D7C3C2, .xFormat = 1, }; -static struct ItLpRegSave iseries_reg_save[] = { +static const struct ItLpRegSave iseries_reg_save[] = { [0 ... (NR_CPUS-1)] = { .xDesc = 0xd397d9e2, /* "LpRS" */ .xSize = sizeof(struct ItLpRegSave), @@ -229,7 +229,7 @@ static struct ItLpRegSave iseries_reg_save[] = { .reg_save_ptr = &iseries_reg_save[number], \ } -struct alpaca alpaca[] = { +const struct alpaca alpaca[] = { ALPACA_INIT( 0), #if NR_CPUS > 1 ALPACA_INIT( 1), ALPACA_INIT( 2), ALPACA_INIT( 3), @@ -265,7 +265,7 @@ struct alpaca alpaca[] = { * the Naca via the HvReleaseData area. The HvReleaseData has the * offset into the Naca of the pointer to the ItVpdAreas. */ -struct ItVpdAreas itVpdAreas = { +const struct ItVpdAreas itVpdAreas = { .xSlicDesc = 0xc9a3e5c1, /* "ItVA" */ .xSlicSize = sizeof(struct ItVpdAreas), .xSlicVpdEntries = ItVpdMaxEntries, /* # VPD array entries */ diff --git a/arch/powerpc/platforms/iseries/naca.h b/arch/powerpc/platforms/iseries/naca.h index ab2372eb8d2..f01708e1286 100644 --- a/arch/powerpc/platforms/iseries/naca.h +++ b/arch/powerpc/platforms/iseries/naca.h @@ -14,7 +14,7 @@ struct naca_struct { /* Kernel only data - undefined for user space */ - void *xItVpdAreas; /* VPD Data 0x00 */ + const void *xItVpdAreas; /* VPD Data 0x00 */ void *xRamDisk; /* iSeries ramdisk 0x08 */ u64 xRamDiskSize; /* In pages 0x10 */ }; diff --git a/arch/powerpc/platforms/iseries/release_data.h b/arch/powerpc/platforms/iseries/release_data.h index 66189fd2e32..6ad7d843e8f 100644 --- a/arch/powerpc/platforms/iseries/release_data.h +++ b/arch/powerpc/platforms/iseries/release_data.h @@ -58,6 +58,6 @@ struct HvReleaseData { char xRsvd3[20]; /* Reserved x2C-x3F */ }; -extern struct HvReleaseData hvReleaseData; +extern const struct HvReleaseData hvReleaseData; #endif /* _ISERIES_RELEASE_DATA_H */ diff --git a/arch/powerpc/platforms/iseries/spcomm_area.h b/arch/powerpc/platforms/iseries/spcomm_area.h index 6e3b685115c..598b7c14573 100644 --- a/arch/powerpc/platforms/iseries/spcomm_area.h +++ b/arch/powerpc/platforms/iseries/spcomm_area.h @@ -31,6 +31,4 @@ struct SpCommArea { u8 xRsvd2[80]; // Reserved 030-07F }; -extern struct SpCommArea xSpCommArea; - #endif /* _ISERIES_SPCOMM_AREA_H */ diff --git a/arch/powerpc/platforms/iseries/vpd_areas.h b/arch/powerpc/platforms/iseries/vpd_areas.h index 601e6dd860e..feb001f3a5f 100644 --- a/arch/powerpc/platforms/iseries/vpd_areas.h +++ b/arch/powerpc/platforms/iseries/vpd_areas.h @@ -80,9 +80,9 @@ struct ItVpdAreas { u32 xPlicDmaLens[ItDmaMaxEntries];// Array of DMA lengths 080-0A7 u32 xPlicDmaToks[ItDmaMaxEntries];// Array of DMA tokens 0A8-0CF u32 xSlicVpdLens[ItVpdMaxEntries];// Array of VPD lengths 0D0-12F - void *xSlicVpdAdrs[ItVpdMaxEntries];// Array of VPD buffers 130-1EF + const void *xSlicVpdAdrs[ItVpdMaxEntries];// Array of VPD buffers 130-1EF }; -extern struct ItVpdAreas itVpdAreas; +extern const struct ItVpdAreas itVpdAreas; #endif /* _ISERIES_VPD_AREAS_H */ diff --git a/include/asm-powerpc/iseries/alpaca.h b/include/asm-powerpc/iseries/alpaca.h index 26fc081cb84..c0cce6727a6 100644 --- a/include/asm-powerpc/iseries/alpaca.h +++ b/include/asm-powerpc/iseries/alpaca.h @@ -25,7 +25,7 @@ */ struct alpaca { struct lppaca *lppaca_ptr; /* Pointer to LpPaca for PLIC */ - void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */ + const void *reg_save_ptr; /* Pointer to LpRegSave for PLIC */ }; #endif /* _ASM_POWERPC_ISERIES_ALPACA_H */ -- 2.20.1