From a6a444a87aae0062ffed45374b93217ff3308a8c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Fri, 22 Dec 2017 10:55:51 +0100 Subject: [PATCH] target/ppc: more use of the PPC_*() macros MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also introduce utilities to manipulate bitmasks (originaly from OPAL) which be will be used in the model of the XIVE interrupt controller. Signed-off-by: Cédric Le Goater Signed-off-by: David Gibson --- hw/ppc/pnv_lpc.c | 10 ++++---- target/ppc/cpu.h | 56 +++++++++++++++++++++++++---------------- target/ppc/int_helper.c | 2 +- 3 files changed, 40 insertions(+), 28 deletions(-) diff --git a/hw/ppc/pnv_lpc.c b/hw/ppc/pnv_lpc.c index b777b78e18..c42b4a8f6c 100644 --- a/hw/ppc/pnv_lpc.c +++ b/hw/ppc/pnv_lpc.c @@ -146,13 +146,13 @@ static bool opb_write(PnvLpcController *lpc, uint32_t addr, uint8_t *data, return success; } -#define ECCB_CTL_READ (1ull << (63 - 15)) +#define ECCB_CTL_READ PPC_BIT(15) #define ECCB_CTL_SZ_LSH (63 - 7) -#define ECCB_CTL_SZ_MASK (0xfull << ECCB_CTL_SZ_LSH) -#define ECCB_CTL_ADDR_MASK 0xffffffffu; +#define ECCB_CTL_SZ_MASK PPC_BITMASK(4, 7) +#define ECCB_CTL_ADDR_MASK PPC_BITMASK(32, 63) -#define ECCB_STAT_OP_DONE (1ull << (63 - 52)) -#define ECCB_STAT_OP_ERR (1ull << (63 - 52)) +#define ECCB_STAT_OP_DONE PPC_BIT(52) +#define ECCB_STAT_OP_ERR PPC_BIT(52) #define ECCB_STAT_RD_DATA_LSH (63 - 37) #define ECCB_STAT_RD_DATA_MASK (0xffffffff << ECCB_STAT_RD_DATA_LSH) diff --git a/target/ppc/cpu.h b/target/ppc/cpu.h index 370b05e76e..a5e49f23e9 100644 --- a/target/ppc/cpu.h +++ b/target/ppc/cpu.h @@ -93,6 +93,19 @@ #define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs)) #define PPC_BITMASK32(bs, be) ((PPC_BIT32(bs) - PPC_BIT32(be)) | \ PPC_BIT32(bs)) +#define PPC_BITMASK8(bs, be) ((PPC_BIT8(bs) - PPC_BIT8(be)) | PPC_BIT8(bs)) + +#if HOST_LONG_BITS == 32 +# define MASK_TO_LSH(m) (__builtin_ffsll(m) - 1) +#elif HOST_LONG_BITS == 64 +# define MASK_TO_LSH(m) (__builtin_ffsl(m) - 1) +#else +# error Unknown sizeof long +#endif + +#define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m)) +#define SETFIELD(m, v, val) \ + (((v) & ~(m)) | ((((typeof(v))(val)) << MASK_TO_LSH(m)) & (m))) /*****************************************************************************/ /* Exception vectors definitions */ @@ -2349,32 +2362,31 @@ enum { /* Processor Compatibility mask (PCR) */ enum { - PCR_COMPAT_2_05 = 1ull << (63-62), - PCR_COMPAT_2_06 = 1ull << (63-61), - PCR_COMPAT_2_07 = 1ull << (63-60), - PCR_COMPAT_3_00 = 1ull << (63-59), - PCR_VEC_DIS = 1ull << (63-0), /* Vec. disable (bit NA since POWER8) */ - PCR_VSX_DIS = 1ull << (63-1), /* VSX disable (bit NA since POWER8) */ - PCR_TM_DIS = 1ull << (63-2), /* Trans. memory disable (POWER8) */ + PCR_COMPAT_2_05 = PPC_BIT(62), + PCR_COMPAT_2_06 = PPC_BIT(61), + PCR_COMPAT_2_07 = PPC_BIT(60), + PCR_COMPAT_3_00 = PPC_BIT(59), + PCR_VEC_DIS = PPC_BIT(0), /* Vec. disable (bit NA since POWER8) */ + PCR_VSX_DIS = PPC_BIT(1), /* VSX disable (bit NA since POWER8) */ + PCR_TM_DIS = PPC_BIT(2), /* Trans. memory disable (POWER8) */ }; /* HMER/HMEER */ enum { - HMER_MALFUNCTION_ALERT = 1ull << (63 - 0), - HMER_PROC_RECV_DONE = 1ull << (63 - 2), - HMER_PROC_RECV_ERROR_MASKED = 1ull << (63 - 3), - HMER_TFAC_ERROR = 1ull << (63 - 4), - HMER_TFMR_PARITY_ERROR = 1ull << (63 - 5), - HMER_XSCOM_FAIL = 1ull << (63 - 8), - HMER_XSCOM_DONE = 1ull << (63 - 9), - HMER_PROC_RECV_AGAIN = 1ull << (63 - 11), - HMER_WARN_RISE = 1ull << (63 - 14), - HMER_WARN_FALL = 1ull << (63 - 15), - HMER_SCOM_FIR_HMI = 1ull << (63 - 16), - HMER_TRIG_FIR_HMI = 1ull << (63 - 17), - HMER_HYP_RESOURCE_ERR = 1ull << (63 - 20), - HMER_XSCOM_STATUS_MASK = 7ull << (63 - 23), - HMER_XSCOM_STATUS_LSH = (63 - 23), + HMER_MALFUNCTION_ALERT = PPC_BIT(0), + HMER_PROC_RECV_DONE = PPC_BIT(2), + HMER_PROC_RECV_ERROR_MASKED = PPC_BIT(3), + HMER_TFAC_ERROR = PPC_BIT(4), + HMER_TFMR_PARITY_ERROR = PPC_BIT(5), + HMER_XSCOM_FAIL = PPC_BIT(8), + HMER_XSCOM_DONE = PPC_BIT(9), + HMER_PROC_RECV_AGAIN = PPC_BIT(11), + HMER_WARN_RISE = PPC_BIT(14), + HMER_WARN_FALL = PPC_BIT(15), + HMER_SCOM_FIR_HMI = PPC_BIT(16), + HMER_TRIG_FIR_HMI = PPC_BIT(17), + HMER_HYP_RESOURCE_ERR = PPC_BIT(20), + HMER_XSCOM_STATUS_MASK = PPC_BITMASK(21, 23), }; /* Alternate Interrupt Location (AIL) */ diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 1c013a0ee3..3a50f1e1b7 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -183,7 +183,7 @@ uint64_t helper_bpermd(uint64_t rs, uint64_t rb) for (i = 0; i < 8; i++) { int index = (rs >> (i*8)) & 0xFF; if (index < 64) { - if (rb & (1ull << (63-index))) { + if (rb & PPC_BIT(index)) { ra |= 1 << i; } }